./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.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 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-16 19:59:06,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-16 19:59:06,635 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-16 19:59:06,638 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-16 19:59:06,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-16 19:59:06,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-16 19:59:06,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-16 19:59:06,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-16 19:59:06,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-16 19:59:06,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-16 19:59:06,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-16 19:59:06,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-16 19:59:06,666 INFO L153 SettingsManager]: * Use SBE=true [2024-07-16 19:59:06,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-16 19:59:06,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-16 19:59:06,667 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-16 19:59:06,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-16 19:59:06,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-16 19:59:06,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-16 19:59:06,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-16 19:59:06,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-16 19:59:06,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-16 19:59:06,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-16 19:59:06,672 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-16 19:59:06,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-16 19:59:06,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-16 19:59:06,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-16 19:59:06,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-16 19:59:06,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-16 19:59:06,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-16 19:59:06,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-16 19:59:06,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-16 19:59:06,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-16 19:59:06,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-16 19:59:06,676 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-16 19:59:06,676 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-16 19:59:06,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-16 19:59:06,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-16 19:59:06,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-16 19:59:06,677 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-16 19:59:06,677 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-16 19:59:06,677 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-16 19:59:06,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 [2024-07-16 19:59:06,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-16 19:59:06,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-16 19:59:06,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-16 19:59:06,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-16 19:59:06,957 INFO L274 PluginConnector]: CDTParser initialized [2024-07-16 19:59:06,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2024-07-16 19:59:08,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-16 19:59:08,176 INFO L384 CDTParser]: Found 1 translation units. [2024-07-16 19:59:08,177 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2024-07-16 19:59:08,183 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f3848acc1/9c8d77619adb4deea66f900497c55148/FLAG04825501b [2024-07-16 19:59:08,197 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f3848acc1/9c8d77619adb4deea66f900497c55148 [2024-07-16 19:59:08,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-16 19:59:08,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-16 19:59:08,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-16 19:59:08,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-16 19:59:08,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-16 19:59:08,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.07 07:59:08" (1/1) ... [2024-07-16 19:59:08,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f637931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08, skipping insertion in model container [2024-07-16 19:59:08,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.07 07:59:08" (1/1) ... [2024-07-16 19:59:08,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-16 19:59:08,356 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2874,2887] [2024-07-16 19:59:08,364 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-16 19:59:08,371 INFO L202 MainTranslator]: Completed pre-run [2024-07-16 19:59:08,388 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2874,2887] [2024-07-16 19:59:08,391 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-16 19:59:08,404 INFO L206 MainTranslator]: Completed translation [2024-07-16 19:59:08,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08 WrapperNode [2024-07-16 19:59:08,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-16 19:59:08,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-16 19:59:08,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-16 19:59:08,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-16 19:59:08,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08" (1/1) ... [2024-07-16 19:59:08,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08" (1/1) ... [2024-07-16 19:59:08,440 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 276 [2024-07-16 19:59:08,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-16 19:59:08,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-16 19:59:08,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-16 19:59:08,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-16 19:59:08,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08" (1/1) ... [2024-07-16 19:59:08,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08" (1/1) ... [2024-07-16 19:59:08,452 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08" (1/1) ... [2024-07-16 19:59:08,452 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08" (1/1) ... [2024-07-16 19:59:08,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08" (1/1) ... [2024-07-16 19:59:08,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08" (1/1) ... [2024-07-16 19:59:08,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08" (1/1) ... [2024-07-16 19:59:08,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08" (1/1) ... [2024-07-16 19:59:08,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-16 19:59:08,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-16 19:59:08,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-16 19:59:08,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-16 19:59:08,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08" (1/1) ... [2024-07-16 19:59:08,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-16 19:59:08,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:59:08,522 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) [2024-07-16 19:59:08,525 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 [2024-07-16 19:59:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-16 19:59:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-16 19:59:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-16 19:59:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-16 19:59:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-16 19:59:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-16 19:59:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-16 19:59:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-16 19:59:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-16 19:59:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-16 19:59:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-16 19:59:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-07-16 19:59:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-16 19:59:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-16 19:59:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-16 19:59:08,595 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-16 19:59:08,687 INFO L244 CfgBuilder]: Building ICFG [2024-07-16 19:59:08,689 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-16 19:59:09,131 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-16 19:59:09,132 INFO L293 CfgBuilder]: Performing block encoding [2024-07-16 19:59:09,411 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-16 19:59:09,412 INFO L320 CfgBuilder]: Removed 5 assume(true) statements. [2024-07-16 19:59:09,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.07 07:59:09 BoogieIcfgContainer [2024-07-16 19:59:09,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-16 19:59:09,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-16 19:59:09,415 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-16 19:59:09,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-16 19:59:09,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.07 07:59:08" (1/3) ... [2024-07-16 19:59:09,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e62d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.07 07:59:09, skipping insertion in model container [2024-07-16 19:59:09,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.07 07:59:08" (2/3) ... [2024-07-16 19:59:09,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e62d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.07 07:59:09, skipping insertion in model container [2024-07-16 19:59:09,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.07 07:59:09" (3/3) ... [2024-07-16 19:59:09,420 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2024-07-16 19:59:09,428 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-16 19:59:09,435 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-16 19:59:09,436 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-16 19:59:09,436 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-16 19:59:09,478 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-07-16 19:59:09,514 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-16 19:59:09,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-16 19:59:09,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:59:09,516 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) [2024-07-16 19:59:09,533 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 [2024-07-16 19:59:09,556 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-16 19:59:09,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-16 19:59:09,573 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4e43f273, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-16 19:59:09,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-16 19:59:09,782 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 19:59:09,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:59:09,787 INFO L85 PathProgramCache]: Analyzing trace with hash -854224487, now seen corresponding path program 1 times [2024-07-16 19:59:09,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:59:09,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880441733] [2024-07-16 19:59:09,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:59:09,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:59:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:10,330 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-07-16 19:59:10,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:59:10,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880441733] [2024-07-16 19:59:10,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880441733] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-16 19:59:10,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-16 19:59:10,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-16 19:59:10,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793841788] [2024-07-16 19:59:10,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-16 19:59:10,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-16 19:59:10,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:59:10,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-16 19:59:10,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-16 19:59:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:10,357 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:59:10,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-07-16 19:59:10,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:10,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:10,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-16 19:59:10,465 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 19:59:10,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:59:10,465 INFO L85 PathProgramCache]: Analyzing trace with hash 362043123, now seen corresponding path program 1 times [2024-07-16 19:59:10,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:59:10,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012184770] [2024-07-16 19:59:10,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:59:10,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:59:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-07-16 19:59:10,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:59:10,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012184770] [2024-07-16 19:59:10,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012184770] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 19:59:10,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96076256] [2024-07-16 19:59:10,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:59:10,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:10,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:59:10,769 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) [2024-07-16 19:59:10,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-16 19:59:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:10,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjunts are in the unsatisfiable core [2024-07-16 19:59:10,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 19:59:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-07-16 19:59:11,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 19:59:11,095 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-07-16 19:59:11,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96076256] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 19:59:11,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 19:59:11,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-07-16 19:59:11,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147607762] [2024-07-16 19:59:11,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 19:59:11,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-07-16 19:59:11,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:59:11,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-07-16 19:59:11,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-07-16 19:59:11,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:11,101 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:59:11,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 13 states have internal predecessors, (70), 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) [2024-07-16 19:59:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:11,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:11,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:11,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-07-16 19:59:11,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-07-16 19:59:11,459 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 19:59:11,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:59:11,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1815279129, now seen corresponding path program 2 times [2024-07-16 19:59:11,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:59:11,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222493132] [2024-07-16 19:59:11,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:59:11,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:59:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:11,718 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-07-16 19:59:11,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:59:11,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222493132] [2024-07-16 19:59:11,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222493132] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 19:59:11,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671231806] [2024-07-16 19:59:11,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-16 19:59:11,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:11,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:59:11,733 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) [2024-07-16 19:59:11,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-16 19:59:11,889 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-16 19:59:11,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 19:59:11,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2024-07-16 19:59:11,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 19:59:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-07-16 19:59:12,037 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 19:59:12,142 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-07-16 19:59:12,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671231806] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 19:59:12,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 19:59:12,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 22 [2024-07-16 19:59:12,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835821743] [2024-07-16 19:59:12,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 19:59:12,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-07-16 19:59:12,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:59:12,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-07-16 19:59:12,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2024-07-16 19:59:12,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:12,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:59:12,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.782608695652174) internal successors, (110), 22 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 19:59:12,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:12,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:12,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:12,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:12,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-16 19:59:12,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:12,519 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 19:59:12,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:59:12,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1167874829, now seen corresponding path program 3 times [2024-07-16 19:59:12,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:59:12,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759833200] [2024-07-16 19:59:12,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:59:12,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:59:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:12,728 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-07-16 19:59:12,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:59:12,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759833200] [2024-07-16 19:59:12,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759833200] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 19:59:12,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946051446] [2024-07-16 19:59:12,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-16 19:59:12,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:12,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:59:12,745 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) [2024-07-16 19:59:12,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-16 19:59:12,905 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-07-16 19:59:12,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 19:59:12,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 10 conjunts are in the unsatisfiable core [2024-07-16 19:59:12,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 19:59:13,025 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-07-16 19:59:13,026 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 19:59:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-07-16 19:59:13,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946051446] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 19:59:13,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 19:59:13,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2024-07-16 19:59:13,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61380211] [2024-07-16 19:59:13,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 19:59:13,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-07-16 19:59:13,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:59:13,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-07-16 19:59:13,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-07-16 19:59:13,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:13,127 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:59:13,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.9) internal successors, (98), 19 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-16 19:59:13,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:13,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:13,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:13,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:13,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:13,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:13,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:13,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-16 19:59:13,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:13,532 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 19:59:13,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:59:13,533 INFO L85 PathProgramCache]: Analyzing trace with hash 128944988, now seen corresponding path program 4 times [2024-07-16 19:59:13,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:59:13,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375585805] [2024-07-16 19:59:13,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:59:13,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:59:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:13,844 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-07-16 19:59:13,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:59:13,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375585805] [2024-07-16 19:59:13,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375585805] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 19:59:13,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466087804] [2024-07-16 19:59:13,845 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-16 19:59:13,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:13,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:59:13,846 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) [2024-07-16 19:59:13,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-16 19:59:13,992 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-16 19:59:13,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 19:59:13,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjunts are in the unsatisfiable core [2024-07-16 19:59:13,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 19:59:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-07-16 19:59:14,252 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 19:59:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 48 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-07-16 19:59:14,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466087804] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 19:59:14,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 19:59:14,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 12] total 35 [2024-07-16 19:59:14,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999174132] [2024-07-16 19:59:14,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 19:59:14,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-07-16 19:59:14,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:59:14,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-07-16 19:59:14,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1012, Unknown=0, NotChecked=0, Total=1190 [2024-07-16 19:59:14,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:14,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:59:14,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.571428571428571) internal successors, (160), 35 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) [2024-07-16 19:59:14,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:14,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:14,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:14,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:14,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:15,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:15,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-07-16 19:59:15,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-07-16 19:59:15,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:15,823 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 19:59:15,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:59:15,824 INFO L85 PathProgramCache]: Analyzing trace with hash -270734740, now seen corresponding path program 5 times [2024-07-16 19:59:15,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:59:15,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970818979] [2024-07-16 19:59:15,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:59:15,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:59:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 159 proven. 153 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-07-16 19:59:17,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:59:17,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970818979] [2024-07-16 19:59:17,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970818979] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 19:59:17,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109341022] [2024-07-16 19:59:17,103 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-16 19:59:17,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:17,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:59:17,113 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) [2024-07-16 19:59:17,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-07-16 19:59:17,375 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-07-16 19:59:17,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 19:59:17,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 16 conjunts are in the unsatisfiable core [2024-07-16 19:59:17,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 19:59:17,844 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 290 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-07-16 19:59:17,845 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 19:59:18,225 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 290 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-07-16 19:59:18,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109341022] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 19:59:18,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 19:59:18,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 14, 14] total 56 [2024-07-16 19:59:18,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93041462] [2024-07-16 19:59:18,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 19:59:18,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-07-16 19:59:18,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:59:18,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-07-16 19:59:18,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=486, Invalid=2706, Unknown=0, NotChecked=0, Total=3192 [2024-07-16 19:59:18,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:18,234 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:59:18,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 5.12280701754386) internal successors, (292), 56 states have internal predecessors, (292), 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) [2024-07-16 19:59:18,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:18,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:18,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:18,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:18,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-07-16 19:59:18,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-07-16 19:59:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 19:59:18,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-07-16 19:59:18,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:18,665 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 19:59:18,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:59:18,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1938539066, now seen corresponding path program 6 times [2024-07-16 19:59:18,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:59:18,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308742168] [2024-07-16 19:59:18,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:59:18,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:59:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 237 proven. 81 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-07-16 19:59:19,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:59:19,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308742168] [2024-07-16 19:59:19,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308742168] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 19:59:19,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557689233] [2024-07-16 19:59:19,276 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-16 19:59:19,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:19,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:59:19,277 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) [2024-07-16 19:59:19,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-07-16 19:59:19,539 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-07-16 19:59:19,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 19:59:19,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 21 conjunts are in the unsatisfiable core [2024-07-16 19:59:19,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 19:59:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 298 proven. 28 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-07-16 19:59:20,175 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 19:59:20,787 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 298 proven. 28 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-07-16 19:59:20,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557689233] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 19:59:20,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 19:59:20,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 55 [2024-07-16 19:59:20,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732639943] [2024-07-16 19:59:20,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 19:59:20,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-07-16 19:59:20,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:59:20,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-07-16 19:59:20,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=2600, Unknown=0, NotChecked=0, Total=3080 [2024-07-16 19:59:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:20,790 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:59:20,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 5.5) internal successors, (308), 55 states have internal predecessors, (308), 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) [2024-07-16 19:59:20,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:20,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:20,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:20,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:20,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-07-16 19:59:20,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 19:59:20,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:21,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:21,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:21,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:21,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:21,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-07-16 19:59:21,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 19:59:21,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:21,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-07-16 19:59:21,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-07-16 19:59:21,353 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 19:59:21,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:59:21,353 INFO L85 PathProgramCache]: Analyzing trace with hash 977345478, now seen corresponding path program 7 times [2024-07-16 19:59:21,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:59:21,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318193004] [2024-07-16 19:59:21,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:59:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:59:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:21,852 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 33 proven. 181 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-07-16 19:59:21,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:59:21,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318193004] [2024-07-16 19:59:21,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318193004] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 19:59:21,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607567972] [2024-07-16 19:59:21,852 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-16 19:59:21,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:21,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:59:21,854 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) [2024-07-16 19:59:21,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-07-16 19:59:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:22,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 25 conjunts are in the unsatisfiable core [2024-07-16 19:59:22,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 19:59:22,696 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 253 proven. 61 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-07-16 19:59:22,697 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 19:59:23,307 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 269 proven. 45 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-07-16 19:59:23,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607567972] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 19:59:23,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 19:59:23,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 23, 23] total 54 [2024-07-16 19:59:23,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773618291] [2024-07-16 19:59:23,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 19:59:23,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-07-16 19:59:23,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:59:23,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-07-16 19:59:23,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=555, Invalid=2307, Unknown=0, NotChecked=0, Total=2862 [2024-07-16 19:59:23,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:23,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:59:23,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 4.166666666666667) internal successors, (225), 54 states have internal predecessors, (225), 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) [2024-07-16 19:59:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-07-16 19:59:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 19:59:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-07-16 19:59:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 19:59:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-07-16 19:59:23,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-07-16 19:59:24,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:24,022 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 19:59:24,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:59:24,023 INFO L85 PathProgramCache]: Analyzing trace with hash 782105501, now seen corresponding path program 8 times [2024-07-16 19:59:24,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:59:24,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648729010] [2024-07-16 19:59:24,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:59:24,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:59:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:24,942 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 254 proven. 209 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-07-16 19:59:24,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:59:24,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648729010] [2024-07-16 19:59:24,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648729010] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 19:59:24,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398456989] [2024-07-16 19:59:24,943 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-16 19:59:24,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:24,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:59:24,944 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) [2024-07-16 19:59:24,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-07-16 19:59:25,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-16 19:59:25,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 19:59:25,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 27 conjunts are in the unsatisfiable core [2024-07-16 19:59:25,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 19:59:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 325 proven. 84 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-07-16 19:59:26,197 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 19:59:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 354 proven. 55 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-07-16 19:59:27,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398456989] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 19:59:27,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 19:59:27,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 25, 25] total 75 [2024-07-16 19:59:27,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967018453] [2024-07-16 19:59:27,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 19:59:27,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-07-16 19:59:27,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:59:27,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-07-16 19:59:27,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1075, Invalid=4625, Unknown=0, NotChecked=0, Total=5700 [2024-07-16 19:59:27,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:27,050 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:59:27,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 3.8947368421052633) internal successors, (296), 75 states have internal predecessors, (296), 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) [2024-07-16 19:59:27,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:27,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:27,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:27,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:27,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-07-16 19:59:27,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 19:59:27,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:27,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-07-16 19:59:27,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-07-16 19:59:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 19:59:27,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:27,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-07-16 19:59:27,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:27,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-07-16 19:59:27,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:27,449 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 19:59:27,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:59:27,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1177634423, now seen corresponding path program 9 times [2024-07-16 19:59:27,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:59:27,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151599831] [2024-07-16 19:59:27,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:59:27,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:59:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 45 proven. 430 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-07-16 19:59:28,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:59:28,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151599831] [2024-07-16 19:59:28,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151599831] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 19:59:28,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158384764] [2024-07-16 19:59:28,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-16 19:59:28,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:28,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:59:28,155 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) [2024-07-16 19:59:28,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-07-16 19:59:29,044 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-07-16 19:59:29,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 19:59:29,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 26 conjunts are in the unsatisfiable core [2024-07-16 19:59:29,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 19:59:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 55 proven. 420 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-07-16 19:59:29,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 19:59:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 66 proven. 409 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-07-16 19:59:30,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158384764] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 19:59:30,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 19:59:30,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 60 [2024-07-16 19:59:30,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927199590] [2024-07-16 19:59:30,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 19:59:30,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-07-16 19:59:30,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:59:30,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-07-16 19:59:30,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=835, Invalid=2705, Unknown=0, NotChecked=0, Total=3540 [2024-07-16 19:59:30,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:30,057 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:59:30,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 4.683333333333334) internal successors, (281), 60 states have internal predecessors, (281), 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) [2024-07-16 19:59:30,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:30,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:30,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-07-16 19:59:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 19:59:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-07-16 19:59:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:30,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-07-16 19:59:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 19:59:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-07-16 19:59:30,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:30,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-16 19:59:30,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-07-16 19:59:30,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-07-16 19:59:30,851 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 19:59:30,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:59:30,851 INFO L85 PathProgramCache]: Analyzing trace with hash -900916499, now seen corresponding path program 10 times [2024-07-16 19:59:30,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:59:30,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847051058] [2024-07-16 19:59:30,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:59:30,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:59:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:33,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 840 proven. 433 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-07-16 19:59:33,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:59:33,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847051058] [2024-07-16 19:59:33,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847051058] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 19:59:33,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017533880] [2024-07-16 19:59:33,424 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-16 19:59:33,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:33,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:59:33,430 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) [2024-07-16 19:59:33,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-07-16 19:59:33,609 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-16 19:59:33,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 19:59:33,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 47 conjunts are in the unsatisfiable core [2024-07-16 19:59:33,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 19:59:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 0 proven. 1207 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-07-16 19:59:35,678 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 19:59:37,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 648 proven. 559 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-07-16 19:59:37,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017533880] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 19:59:37,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 19:59:37,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 48, 37] total 141 [2024-07-16 19:59:37,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413163939] [2024-07-16 19:59:37,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 19:59:37,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2024-07-16 19:59:37,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 19:59:37,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2024-07-16 19:59:37,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2378, Invalid=17362, Unknown=0, NotChecked=0, Total=19740 [2024-07-16 19:59:37,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:37,197 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 19:59:37,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 4.085106382978723) internal successors, (576), 141 states have internal predecessors, (576), 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) [2024-07-16 19:59:37,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:37,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:37,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:37,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:37,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-07-16 19:59:37,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 19:59:37,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:37,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-07-16 19:59:37,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:37,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-07-16 19:59:37,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 19:59:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 19:59:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 19:59:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 19:59:45,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 19:59:45,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-07-16 19:59:45,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 19:59:45,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:45,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-07-16 19:59:45,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 19:59:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-16 19:59:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-07-16 19:59:45,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-07-16 19:59:45,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:45,394 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 19:59:45,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 19:59:45,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1861941915, now seen corresponding path program 11 times [2024-07-16 19:59:45,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 19:59:45,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356943196] [2024-07-16 19:59:45,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 19:59:45,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 19:59:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 19:59:49,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2439 backedges. 1585 proven. 776 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-07-16 19:59:49,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 19:59:49,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356943196] [2024-07-16 19:59:49,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356943196] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 19:59:49,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17743427] [2024-07-16 19:59:49,095 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-16 19:59:49,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 19:59:49,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 19:59:49,096 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) [2024-07-16 19:59:49,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-07-16 20:00:28,296 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-07-16 20:00:28,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 20:00:28,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 1409 conjuncts, 31 conjunts are in the unsatisfiable core [2024-07-16 20:00:28,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 20:00:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2439 backedges. 1209 proven. 123 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-07-16 20:00:29,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 20:00:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2439 backedges. 1254 proven. 78 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-07-16 20:00:31,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17743427] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 20:00:31,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 20:00:31,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 29, 29] total 130 [2024-07-16 20:00:31,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009471662] [2024-07-16 20:00:31,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 20:00:31,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-07-16 20:00:31,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 20:00:31,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-07-16 20:00:31,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2462, Invalid=14568, Unknown=0, NotChecked=0, Total=17030 [2024-07-16 20:00:31,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 20:00:31,216 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 20:00:31,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 3.618320610687023) internal successors, (474), 130 states have internal predecessors, (474), 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) [2024-07-16 20:00:31,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 20:00:31,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 20:00:31,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 20:00:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 20:00:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-07-16 20:00:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 20:00:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:00:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-07-16 20:00:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:00:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-07-16 20:00:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-07-16 20:00:31,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 20:00:31,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 20:00:31,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 20:00:31,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 20:00:31,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 20:00:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-07-16 20:00:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 20:00:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:00:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-07-16 20:00:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:00:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-16 20:00:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-07-16 20:00:31,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-16 20:00:31,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-07-16 20:00:31,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-07-16 20:00:31,805 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 20:00:31,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 20:00:31,805 INFO L85 PathProgramCache]: Analyzing trace with hash -2075770945, now seen corresponding path program 12 times [2024-07-16 20:00:31,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 20:00:31,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741366956] [2024-07-16 20:00:31,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 20:00:31,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 20:00:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 20:00:35,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2465 backedges. 1585 proven. 789 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-07-16 20:00:35,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 20:00:35,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741366956] [2024-07-16 20:00:35,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741366956] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 20:00:35,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641947757] [2024-07-16 20:00:35,863 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-16 20:00:35,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 20:00:35,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 20:00:35,864 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) [2024-07-16 20:00:35,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-07-16 20:00:39,670 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-07-16 20:00:39,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 20:00:39,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 33 conjunts are in the unsatisfiable core [2024-07-16 20:00:39,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 20:00:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2465 backedges. 1283 proven. 115 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-07-16 20:00:41,250 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 20:00:42,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2465 backedges. 1307 proven. 91 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-07-16 20:00:42,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641947757] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 20:00:42,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 20:00:42,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 31, 31] total 135 [2024-07-16 20:00:42,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149757825] [2024-07-16 20:00:42,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 20:00:42,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2024-07-16 20:00:42,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 20:00:42,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2024-07-16 20:00:42,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2640, Invalid=15720, Unknown=0, NotChecked=0, Total=18360 [2024-07-16 20:00:42,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 20:00:42,966 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 20:00:42,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 3.5661764705882355) internal successors, (485), 135 states have internal predecessors, (485), 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) [2024-07-16 20:00:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 20:00:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 20:00:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 20:00:42,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 20:00:42,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-07-16 20:00:42,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 20:00:42,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:00:42,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-07-16 20:00:42,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:00:42,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-07-16 20:00:42,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-07-16 20:00:42,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-07-16 20:00:42,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 20:00:43,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 20:00:43,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 20:00:43,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 20:00:43,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 20:00:43,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-07-16 20:00:43,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 20:00:43,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:00:43,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-07-16 20:00:43,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:00:43,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-16 20:00:43,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-07-16 20:00:43,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-16 20:00:43,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-16 20:00:43,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-07-16 20:00:43,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-07-16 20:00:43,496 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 20:00:43,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 20:00:43,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1783679461, now seen corresponding path program 13 times [2024-07-16 20:00:43,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 20:00:43,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3058363] [2024-07-16 20:00:43,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 20:00:43,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 20:00:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 20:00:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2493 backedges. 1585 proven. 803 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-07-16 20:00:47,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 20:00:47,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3058363] [2024-07-16 20:00:47,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3058363] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 20:00:47,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135389350] [2024-07-16 20:00:47,815 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-16 20:00:47,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 20:00:47,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 20:00:47,817 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) [2024-07-16 20:00:47,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-07-16 20:00:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 20:00:48,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 35 conjunts are in the unsatisfiable core [2024-07-16 20:00:48,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 20:00:49,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2493 backedges. 1351 proven. 158 refuted. 0 times theorem prover too weak. 984 trivial. 0 not checked. [2024-07-16 20:00:49,879 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 20:00:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2493 backedges. 1404 proven. 105 refuted. 0 times theorem prover too weak. 984 trivial. 0 not checked. [2024-07-16 20:00:51,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135389350] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 20:00:51,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 20:00:51,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 33, 33] total 140 [2024-07-16 20:00:51,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895167859] [2024-07-16 20:00:51,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 20:00:51,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2024-07-16 20:00:51,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 20:00:51,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2024-07-16 20:00:51,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2801, Invalid=16939, Unknown=0, NotChecked=0, Total=19740 [2024-07-16 20:00:51,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 20:00:51,816 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 20:00:51,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 3.574468085106383) internal successors, (504), 140 states have internal predecessors, (504), 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) [2024-07-16 20:00:51,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 20:00:51,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 20:00:51,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 20:00:51,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 20:00:51,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-07-16 20:00:51,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 20:00:51,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:00:51,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-07-16 20:00:51,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:00:51,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-07-16 20:00:51,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-07-16 20:00:51,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-07-16 20:00:51,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-16 20:00:51,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 20:00:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 20:00:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 20:00:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 20:00:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 20:00:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-07-16 20:00:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 20:00:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:00:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-07-16 20:00:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:00:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-16 20:00:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-07-16 20:00:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-16 20:00:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-16 20:00:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-16 20:00:52,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-07-16 20:00:52,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-07-16 20:00:52,397 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 20:00:52,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 20:00:52,397 INFO L85 PathProgramCache]: Analyzing trace with hash -8213057, now seen corresponding path program 14 times [2024-07-16 20:00:52,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 20:00:52,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773790161] [2024-07-16 20:00:52,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 20:00:52,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 20:00:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 20:00:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1585 proven. 818 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-07-16 20:00:56,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 20:00:56,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773790161] [2024-07-16 20:00:56,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773790161] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 20:00:56,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675578951] [2024-07-16 20:00:56,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-16 20:00:56,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 20:00:56,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 20:00:56,512 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) [2024-07-16 20:00:56,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-07-16 20:00:56,845 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-16 20:00:56,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 20:00:56,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 37 conjunts are in the unsatisfiable core [2024-07-16 20:00:56,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 20:00:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1425 proven. 148 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-07-16 20:00:58,484 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 20:01:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1453 proven. 120 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-07-16 20:01:00,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675578951] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 20:01:00,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 20:01:00,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 35, 35] total 145 [2024-07-16 20:01:00,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989709847] [2024-07-16 20:01:00,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 20:01:00,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2024-07-16 20:01:00,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 20:01:00,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2024-07-16 20:01:00,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3003, Invalid=18167, Unknown=0, NotChecked=0, Total=21170 [2024-07-16 20:01:00,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 20:01:00,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 20:01:00,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 3.5273972602739727) internal successors, (515), 145 states have internal predecessors, (515), 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) [2024-07-16 20:01:00,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 20:01:00,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 20:01:00,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 20:01:00,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 20:01:00,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-07-16 20:01:00,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 20:01:00,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:01:00,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-07-16 20:01:00,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:01:00,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-07-16 20:01:00,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-07-16 20:01:00,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-07-16 20:01:00,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-16 20:01:00,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-16 20:01:00,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 20:01:00,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 20:01:00,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 20:01:00,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 20:01:00,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 20:01:00,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-07-16 20:01:00,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 20:01:00,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:01:00,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-07-16 20:01:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:01:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-16 20:01:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-07-16 20:01:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-16 20:01:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-16 20:01:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-16 20:01:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 20:01:00,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-07-16 20:01:00,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 20:01:00,595 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 20:01:00,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 20:01:00,595 INFO L85 PathProgramCache]: Analyzing trace with hash -61661595, now seen corresponding path program 15 times [2024-07-16 20:01:00,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 20:01:00,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192710783] [2024-07-16 20:01:00,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 20:01:00,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 20:01:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 20:01:04,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2555 backedges. 1585 proven. 834 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-07-16 20:01:04,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 20:01:04,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192710783] [2024-07-16 20:01:04,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192710783] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 20:01:04,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204873882] [2024-07-16 20:01:04,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-16 20:01:04,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 20:01:04,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 20:01:04,191 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) [2024-07-16 20:01:04,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-07-16 20:01:08,883 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-07-16 20:01:08,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 20:01:08,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 1481 conjuncts, 39 conjunts are in the unsatisfiable core [2024-07-16 20:01:08,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 20:01:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2555 backedges. 2227 proven. 136 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-07-16 20:01:10,965 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 20:01:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2555 backedges. 2227 proven. 136 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-07-16 20:01:12,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204873882] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 20:01:12,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 20:01:12,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 37, 37] total 151 [2024-07-16 20:01:12,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561086057] [2024-07-16 20:01:12,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 20:01:12,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2024-07-16 20:01:12,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 20:01:12,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2024-07-16 20:01:12,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3167, Invalid=19483, Unknown=0, NotChecked=0, Total=22650 [2024-07-16 20:01:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 20:01:12,395 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 20:01:12,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 4.900662251655629) internal successors, (740), 151 states have internal predecessors, (740), 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) [2024-07-16 20:01:12,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 20:01:12,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 20:01:12,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 20:01:12,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 20:01:12,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-07-16 20:01:12,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 20:01:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:01:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-07-16 20:01:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:01:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-07-16 20:01:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-07-16 20:01:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-07-16 20:01:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-16 20:01:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-16 20:01:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-16 20:01:12,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 20:01:12,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 20:01:12,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 20:01:12,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 20:01:12,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 20:01:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-07-16 20:01:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 20:01:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:01:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-07-16 20:01:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:01:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-16 20:01:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-07-16 20:01:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-16 20:01:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-16 20:01:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-16 20:01:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 20:01:12,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-16 20:01:12,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-07-16 20:01:12,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-07-16 20:01:12,922 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 20:01:12,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 20:01:12,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1421521985, now seen corresponding path program 16 times [2024-07-16 20:01:12,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 20:01:12,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097492254] [2024-07-16 20:01:12,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 20:01:12,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 20:01:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 20:01:14,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2589 backedges. 2099 proven. 281 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-07-16 20:01:14,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 20:01:14,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097492254] [2024-07-16 20:01:14,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097492254] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 20:01:14,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703059700] [2024-07-16 20:01:14,638 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-16 20:01:14,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 20:01:14,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 20:01:14,639 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) [2024-07-16 20:01:14,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-07-16 20:01:14,902 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-16 20:01:14,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-16 20:01:14,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 63 conjunts are in the unsatisfiable core [2024-07-16 20:01:14,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-16 20:01:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2589 backedges. 21 proven. 2262 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-07-16 20:01:17,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-16 20:01:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2589 backedges. 1605 proven. 678 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-07-16 20:01:20,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703059700] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-16 20:01:20,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-16 20:01:20,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 64, 48] total 149 [2024-07-16 20:01:20,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635883809] [2024-07-16 20:01:20,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-16 20:01:20,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2024-07-16 20:01:20,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-16 20:01:20,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2024-07-16 20:01:20,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3079, Invalid=18973, Unknown=0, NotChecked=0, Total=22052 [2024-07-16 20:01:20,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-16 20:01:20,084 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-16 20:01:20,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 5.02013422818792) internal successors, (748), 149 states have internal predecessors, (748), 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) [2024-07-16 20:01:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-16 20:01:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-16 20:01:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-16 20:01:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-07-16 20:01:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-07-16 20:01:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-07-16 20:01:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:01:20,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-07-16 20:01:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:01:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-07-16 20:01:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-07-16 20:01:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-07-16 20:01:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-16 20:01:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-07-16 20:01:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-16 20:01:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-07-16 20:01:20,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-16 20:01:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-16 20:01:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-16 20:01:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-16 20:01:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-07-16 20:01:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-07-16 20:01:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-07-16 20:01:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:01:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-07-16 20:01:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-16 20:01:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-07-16 20:01:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2024-07-16 20:01:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-07-16 20:01:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-16 20:01:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-07-16 20:01:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-16 20:01:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-07-16 20:01:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-07-16 20:01:34,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-07-16 20:01:34,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-07-16 20:01:34,211 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-16 20:01:34,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-16 20:01:34,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1840096671, now seen corresponding path program 17 times [2024-07-16 20:01:34,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-16 20:01:34,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77061534] [2024-07-16 20:01:34,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-16 20:01:34,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-16 20:01:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-16 20:01:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6273 backedges. 5293 proven. 809 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-07-16 20:01:43,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-16 20:01:43,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77061534] [2024-07-16 20:01:43,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77061534] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-16 20:01:43,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965994943] [2024-07-16 20:01:43,138 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-16 20:01:43,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-16 20:01:43,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-16 20:01:43,140 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) [2024-07-16 20:01:43,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process Killed by 15