./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-simple-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 e53c8de1752bcaae88365f4089aa38090949baac13984623f5e7e3707a7b4c63 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 03:04:34,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 03:04:34,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 03:04:34,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 03:04:34,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 03:04:34,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 03:04:34,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 03:04:34,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 03:04:34,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 03:04:34,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 03:04:34,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 03:04:34,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 03:04:34,285 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 03:04:34,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 03:04:34,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 03:04:34,286 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 03:04:34,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 03:04:34,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 03:04:34,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 03:04:34,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 03:04:34,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 03:04:34,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 03:04:34,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 03:04:34,290 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 03:04:34,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 03:04:34,291 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 03:04:34,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 03:04:34,291 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 03:04:34,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 03:04:34,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 03:04:34,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 03:04:34,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 03:04:34,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 03:04:34,293 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 03:04:34,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 03:04:34,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 03:04:34,294 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 03:04:34,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 03:04:34,295 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 03:04:34,295 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 03:04:34,295 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 03:04:34,296 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 -> e53c8de1752bcaae88365f4089aa38090949baac13984623f5e7e3707a7b4c63 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Seed for random criterion -> 546 [2024-10-18 03:04:34,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 03:04:34,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 03:04:34,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 03:04:34,584 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 03:04:34,584 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 03:04:34,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2024-10-18 03:04:36,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 03:04:36,185 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 03:04:36,186 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2024-10-18 03:04:36,193 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d37c5b3c3/097a21a5048f4a11bc18bba96e9230d1/FLAG23f23bf7a [2024-10-18 03:04:36,579 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d37c5b3c3/097a21a5048f4a11bc18bba96e9230d1 [2024-10-18 03:04:36,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 03:04:36,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 03:04:36,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 03:04:36,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 03:04:36,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 03:04:36,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:04:36" (1/1) ... [2024-10-18 03:04:36,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237aadde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36, skipping insertion in model container [2024-10-18 03:04:36,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:04:36" (1/1) ... [2024-10-18 03:04:36,609 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 03:04:36,810 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-simple-array-sum.wvr.c[2729,2742] [2024-10-18 03:04:36,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 03:04:36,832 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 03:04:36,850 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-simple-array-sum.wvr.c[2729,2742] [2024-10-18 03:04:36,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 03:04:36,869 INFO L204 MainTranslator]: Completed translation [2024-10-18 03:04:36,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36 WrapperNode [2024-10-18 03:04:36,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 03:04:36,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 03:04:36,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 03:04:36,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 03:04:36,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36" (1/1) ... [2024-10-18 03:04:36,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36" (1/1) ... [2024-10-18 03:04:36,919 INFO L138 Inliner]: procedures = 25, calls = 28, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 109 [2024-10-18 03:04:36,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 03:04:36,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 03:04:36,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 03:04:36,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 03:04:36,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36" (1/1) ... [2024-10-18 03:04:36,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36" (1/1) ... [2024-10-18 03:04:36,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36" (1/1) ... [2024-10-18 03:04:36,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36" (1/1) ... [2024-10-18 03:04:36,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36" (1/1) ... [2024-10-18 03:04:36,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36" (1/1) ... [2024-10-18 03:04:36,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36" (1/1) ... [2024-10-18 03:04:36,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36" (1/1) ... [2024-10-18 03:04:36,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 03:04:36,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 03:04:36,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 03:04:36,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 03:04:36,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36" (1/1) ... [2024-10-18 03:04:36,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 03:04:36,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:04:37,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 03:04:37,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 03:04:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 03:04:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 03:04:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 03:04:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 03:04:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 03:04:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 03:04:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 03:04:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 03:04:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 03:04:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 03:04:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 03:04:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 03:04:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 03:04:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 03:04:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 03:04:37,062 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 03:04:37,180 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 03:04:37,184 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 03:04:37,505 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 03:04:37,505 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 03:04:37,718 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 03:04:37,721 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-18 03:04:37,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:04:37 BoogieIcfgContainer [2024-10-18 03:04:37,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 03:04:37,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 03:04:37,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 03:04:37,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 03:04:37,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 03:04:36" (1/3) ... [2024-10-18 03:04:37,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616b9062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 03:04:37, skipping insertion in model container [2024-10-18 03:04:37,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:04:36" (2/3) ... [2024-10-18 03:04:37,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616b9062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 03:04:37, skipping insertion in model container [2024-10-18 03:04:37,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:04:37" (3/3) ... [2024-10-18 03:04:37,732 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2024-10-18 03:04:37,747 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 03:04:37,747 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 03:04:37,748 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 03:04:37,795 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-18 03:04:37,837 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 03:04:37,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 03:04:37,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:04:37,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 03:04:37,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 03:04:37,943 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 03:04:37,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:04:37,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 03:04:37,968 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@35210332, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false [2024-10-18 03:04:37,968 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 03:04:38,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:04:38,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:04:38,779 INFO L85 PathProgramCache]: Analyzing trace with hash -973729640, now seen corresponding path program 1 times [2024-10-18 03:04:38,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:04:38,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379411618] [2024-10-18 03:04:38,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:38,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:39,372 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-18 03:04:39,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:04:39,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379411618] [2024-10-18 03:04:39,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379411618] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:04:39,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:04:39,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 03:04:39,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27843541] [2024-10-18 03:04:39,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:04:39,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 03:04:39,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:04:39,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 03:04:39,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-18 03:04:39,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:39,415 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:04:39,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 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) [2024-10-18 03:04:39,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:39,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:39,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 03:04:39,566 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:04:39,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:04:39,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1009156587, now seen corresponding path program 1 times [2024-10-18 03:04:39,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:04:39,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859835705] [2024-10-18 03:04:39,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:39,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:39,812 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 03:04:39,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:04:39,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859835705] [2024-10-18 03:04:39,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859835705] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:04:39,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189359784] [2024-10-18 03:04:39,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:39,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:04:39,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:04:39,818 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:04:39,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 03:04:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:39,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 03:04:39,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:04:40,129 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 03:04:40,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:04:40,237 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-18 03:04:40,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189359784] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:04:40,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:04:40,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-18 03:04:40,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13606437] [2024-10-18 03:04:40,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:04:40,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-18 03:04:40,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:04:40,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-18 03:04:40,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-10-18 03:04:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:40,244 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:04:40,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 13 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:04:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:40,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:40,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:40,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:40,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 03:04:40,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-18 03:04:40,638 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:04:40,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:04:40,640 INFO L85 PathProgramCache]: Analyzing trace with hash -204564872, now seen corresponding path program 2 times [2024-10-18 03:04:40,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:04:40,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638798516] [2024-10-18 03:04:40,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:40,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 03:04:40,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:04:40,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638798516] [2024-10-18 03:04:40,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638798516] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:04:40,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750612503] [2024-10-18 03:04:40,866 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 03:04:40,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:04:40,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:04:40,869 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:04:40,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 03:04:40,975 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 03:04:40,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:04:40,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 03:04:40,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:04:41,159 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 03:04:41,161 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:04:41,296 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 03:04:41,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750612503] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:04:41,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:04:41,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-10-18 03:04:41,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970890078] [2024-10-18 03:04:41,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:04:41,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-18 03:04:41,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:04:41,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-18 03:04:41,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-10-18 03:04:41,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:41,300 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:04:41,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.894736842105263) internal successors, (93), 18 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:04:41,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:41,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:41,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:41,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:41,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-18 03:04:41,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:04:41,670 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:04:41,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:04:41,671 INFO L85 PathProgramCache]: Analyzing trace with hash -808808693, now seen corresponding path program 3 times [2024-10-18 03:04:41,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:04:41,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395924566] [2024-10-18 03:04:41,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:41,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:41,931 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-18 03:04:41,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:04:41,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395924566] [2024-10-18 03:04:41,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395924566] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:04:41,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568548572] [2024-10-18 03:04:41,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 03:04:41,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:04:41,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:04:41,934 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:04:41,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 03:04:42,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-18 03:04:42,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:04:42,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 03:04:42,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:04:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 03:04:42,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:04:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 03:04:42,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568548572] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:04:42,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:04:42,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2024-10-18 03:04:42,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074297711] [2024-10-18 03:04:42,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:04:42,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-18 03:04:42,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:04:42,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-18 03:04:42,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2024-10-18 03:04:42,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:42,417 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:04:42,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.619047619047619) internal successors, (118), 20 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:04:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:42,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:42,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:43,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 03:04:43,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-18 03:04:43,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:04:43,253 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:04:43,339 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 03:04:43,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 39 [2024-10-18 03:04:43,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2024-10-18 03:04:43,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2024-10-18 03:04:43,366 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 03:04:43,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 30 [2024-10-18 03:04:43,479 INFO L85 PathProgramCache]: Analyzing trace with hash -2090720549, now seen corresponding path program 1 times [2024-10-18 03:04:43,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:43,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:43,740 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 52 proven. 50 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-18 03:04:43,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:43,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:43,963 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 52 proven. 50 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-18 03:04:43,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:04:43,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1456668699, now seen corresponding path program 1 times [2024-10-18 03:04:43,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:04:43,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636275002] [2024-10-18 03:04:43,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:43,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 78 proven. 100 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-18 03:04:44,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:04:44,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636275002] [2024-10-18 03:04:44,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636275002] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:04:44,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962617791] [2024-10-18 03:04:44,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:44,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:04:44,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:04:44,804 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:04:44,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 03:04:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:44,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-18 03:04:44,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:04:45,235 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 138 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-18 03:04:45,235 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:04:45,511 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 138 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-18 03:04:45,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962617791] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:04:45,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:04:45,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 10, 10] total 41 [2024-10-18 03:04:45,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896051123] [2024-10-18 03:04:45,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:04:45,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-10-18 03:04:45,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:04:45,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-10-18 03:04:45,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=1464, Unknown=0, NotChecked=0, Total=1722 [2024-10-18 03:04:45,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:45,519 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:04:45,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.571428571428571) internal successors, (192), 41 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:04:45,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:45,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:45,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:45,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 03:04:45,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:45,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 03:04:45,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:45,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-18 03:04:45,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-10-18 03:04:45,995 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:04:46,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 03:04:46,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 39 [2024-10-18 03:04:46,076 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 03:04:46,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 30 [2024-10-18 03:04:46,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2024-10-18 03:04:46,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2024-10-18 03:04:48,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1518427117, now seen corresponding path program 1 times [2024-10-18 03:04:48,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:48,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 87 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-18 03:04:48,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:48,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 87 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-18 03:04:48,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:04:48,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1900326030, now seen corresponding path program 2 times [2024-10-18 03:04:48,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:04:48,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651786812] [2024-10-18 03:04:48,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:48,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:49,009 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 128 proven. 45 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-18 03:04:49,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:04:49,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651786812] [2024-10-18 03:04:49,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651786812] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:04:49,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524443835] [2024-10-18 03:04:49,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 03:04:49,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:04:49,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:04:49,017 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:04:49,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 03:04:49,150 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 03:04:49,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:04:49,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-18 03:04:49,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:04:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 156 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-18 03:04:49,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:04:49,794 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 156 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-18 03:04:49,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524443835] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:04:49,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:04:49,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 32 [2024-10-18 03:04:49,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788654776] [2024-10-18 03:04:49,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:04:49,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-18 03:04:49,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:04:49,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-18 03:04:49,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=832, Unknown=0, NotChecked=0, Total=1056 [2024-10-18 03:04:49,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:49,801 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:04:49,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.909090909090909) internal successors, (195), 32 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:04:49,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:49,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:49,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:49,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 03:04:49,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:49,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:50,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:50,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 03:04:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:04:50,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-18 03:04:50,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-18 03:04:50,282 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:04:50,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:04:50,321 INFO L85 PathProgramCache]: Analyzing trace with hash 826707205, now seen corresponding path program 3 times [2024-10-18 03:04:50,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:04:50,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135424171] [2024-10-18 03:04:50,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:50,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:50,712 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 139 proven. 38 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 03:04:50,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:04:50,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135424171] [2024-10-18 03:04:50,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135424171] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:04:50,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123414764] [2024-10-18 03:04:50,713 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 03:04:50,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:04:50,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:04:50,714 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:04:50,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 03:04:50,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-18 03:04:50,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:04:50,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-18 03:04:50,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:04:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 102 proven. 21 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-10-18 03:04:51,016 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:04:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 102 proven. 21 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-10-18 03:04:51,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123414764] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:04:51,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:04:51,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 23 [2024-10-18 03:04:51,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669053339] [2024-10-18 03:04:51,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:04:51,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-18 03:04:51,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:04:51,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-18 03:04:51,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2024-10-18 03:04:51,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:51,203 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:04:51,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.043478260869565) internal successors, (139), 23 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:04:51,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:51,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:51,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:51,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 03:04:51,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:51,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:04:51,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:52,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:52,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:52,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 03:04:52,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:52,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:04:52,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-18 03:04:52,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 03:04:52,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-18 03:04:52,309 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:04:52,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:04:52,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1106132992, now seen corresponding path program 4 times [2024-10-18 03:04:52,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:04:52,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466373536] [2024-10-18 03:04:52,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:52,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 74 proven. 110 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 03:04:52,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:04:52,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466373536] [2024-10-18 03:04:52,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466373536] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:04:52,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430173165] [2024-10-18 03:04:52,705 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 03:04:52,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:04:52,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:04:52,707 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:04:52,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 03:04:52,825 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 03:04:52,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:04:52,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-18 03:04:52,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:04:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 27 proven. 140 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-18 03:04:53,177 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:04:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 27 proven. 68 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-10-18 03:04:53,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430173165] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:04:53,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:04:53,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 7] total 32 [2024-10-18 03:04:53,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807287171] [2024-10-18 03:04:53,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:04:53,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-18 03:04:53,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:04:53,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-18 03:04:53,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=873, Unknown=0, NotChecked=0, Total=992 [2024-10-18 03:04:53,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:53,333 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:04:53,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.1875) internal successors, (198), 32 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:04:53,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:53,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:53,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:53,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 03:04:53,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:53,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:04:53,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-18 03:04:53,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-18 03:04:54,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:54,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:04:54,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:04:54,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-18 03:04:54,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-18 03:04:54,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:04:54,928 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:04:54,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:04:54,929 INFO L85 PathProgramCache]: Analyzing trace with hash -710140025, now seen corresponding path program 4 times [2024-10-18 03:04:54,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:04:54,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128609975] [2024-10-18 03:04:54,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:54,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:55,308 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-18 03:04:55,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:04:55,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128609975] [2024-10-18 03:04:55,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128609975] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 03:04:55,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 03:04:55,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 03:04:55,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816362097] [2024-10-18 03:04:55,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 03:04:55,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 03:04:55,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:04:55,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 03:04:55,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-18 03:04:55,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:55,338 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:04:55,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:04:55,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:55,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:55,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:55,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-18 03:04:55,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:55,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:04:55,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:04:55,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-10-18 03:04:55,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 03:04:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:04:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:04:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-18 03:04:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:55,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-18 03:04:55,620 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:04:55,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:04:55,622 INFO L85 PathProgramCache]: Analyzing trace with hash -482649914, now seen corresponding path program 5 times [2024-10-18 03:04:55,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:04:55,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815288865] [2024-10-18 03:04:55,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:55,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:04:56,016 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 10 proven. 176 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-18 03:04:56,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:04:56,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815288865] [2024-10-18 03:04:56,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815288865] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:04:56,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592039407] [2024-10-18 03:04:56,017 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 03:04:56,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:04:56,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:04:56,019 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:04:56,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 03:04:56,936 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-10-18 03:04:56,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:04:56,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-18 03:04:56,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:04:57,348 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 8 proven. 165 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-18 03:04:57,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:04:57,530 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 34 proven. 61 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-18 03:04:57,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592039407] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:04:57,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:04:57,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 8] total 31 [2024-10-18 03:04:57,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356624352] [2024-10-18 03:04:57,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:04:57,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-18 03:04:57,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:04:57,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-18 03:04:57,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=791, Unknown=0, NotChecked=0, Total=930 [2024-10-18 03:04:57,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:57,532 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:04:57,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 6.096774193548387) internal successors, (189), 31 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:04:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 03:04:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:04:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:04:57,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-10-18 03:04:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:04:59,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:04:59,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:04:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:04:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-18 03:04:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:04:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:04:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-18 03:04:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:04:59,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-18 03:04:59,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-18 03:04:59,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-18 03:04:59,389 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:04:59,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:04:59,390 INFO L85 PathProgramCache]: Analyzing trace with hash -133740123, now seen corresponding path program 6 times [2024-10-18 03:04:59,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:04:59,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696312666] [2024-10-18 03:04:59,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:04:59,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:04:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:05:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 208 proven. 347 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 03:05:00,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:05:00,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696312666] [2024-10-18 03:05:00,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696312666] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:05:00,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116681189] [2024-10-18 03:05:00,875 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 03:05:00,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:05:00,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:05:00,877 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:05:00,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-18 03:05:01,261 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-10-18 03:05:01,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:05:01,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 03:05:01,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:05:01,481 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 212 proven. 13 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-10-18 03:05:01,481 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:05:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 212 proven. 13 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-10-18 03:05:01,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116681189] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:05:01,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:05:01,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 7, 7] total 48 [2024-10-18 03:05:01,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69857844] [2024-10-18 03:05:01,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:05:01,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-18 03:05:01,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:05:01,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-18 03:05:01,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=1949, Unknown=0, NotChecked=0, Total=2256 [2024-10-18 03:05:01,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:05:01,679 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:05:01,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.8333333333333335) internal successors, (184), 48 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:05:01,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:05:01,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:05:01,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:05:01,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-18 03:05:01,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:05:01,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:05:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:05:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-10-18 03:05:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:05:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-18 03:05:01,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:05:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:05:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:05:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:05:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:05:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:05:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:05:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:05:13,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-18 03:05:13,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:05:13,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-10-18 03:05:13,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:05:13,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-18 03:05:14,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-18 03:05:14,065 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:05:14,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:05:14,080 INFO L85 PathProgramCache]: Analyzing trace with hash 2106013506, now seen corresponding path program 5 times [2024-10-18 03:05:14,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:05:14,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330097271] [2024-10-18 03:05:14,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:05:14,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:05:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:05:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 31 proven. 134 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-18 03:05:14,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:05:14,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330097271] [2024-10-18 03:05:14,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330097271] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:05:14,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657005406] [2024-10-18 03:05:14,482 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-18 03:05:14,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:05:14,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:05:14,484 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:05:14,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-18 03:05:15,269 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-10-18 03:05:15,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:05:15,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-18 03:05:15,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:05:15,646 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 10 proven. 128 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-10-18 03:05:15,647 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:05:15,794 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-10-18 03:05:15,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657005406] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:05:15,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:05:15,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18, 6] total 37 [2024-10-18 03:05:15,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712188905] [2024-10-18 03:05:15,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:05:15,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-18 03:05:15,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:05:15,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-18 03:05:15,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1150, Unknown=0, NotChecked=0, Total=1332 [2024-10-18 03:05:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:05:15,798 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:05:15,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.54054054054054) internal successors, (168), 37 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:05:15,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:05:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:05:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:05:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:05:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:05:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:05:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:05:15,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-10-18 03:05:15,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:05:15,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-10-18 03:05:15,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:05:15,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:05:28,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:05:28,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:05:28,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:05:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:05:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:05:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:05:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:05:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-18 03:05:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:05:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-10-18 03:05:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:05:28,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-10-18 03:05:28,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-18 03:05:28,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:05:28,498 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 03:05:28,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 03:05:28,516 INFO L85 PathProgramCache]: Analyzing trace with hash -2041350517, now seen corresponding path program 6 times [2024-10-18 03:05:28,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 03:05:28,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711246450] [2024-10-18 03:05:28,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 03:05:28,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 03:05:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 03:05:28,880 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 15 proven. 57 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-10-18 03:05:28,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 03:05:28,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711246450] [2024-10-18 03:05:28,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711246450] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 03:05:28,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304578681] [2024-10-18 03:05:28,881 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-18 03:05:28,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 03:05:28,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 03:05:28,883 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 03:05:28,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-18 03:05:29,047 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-10-18 03:05:29,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 03:05:29,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-18 03:05:29,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 03:05:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 2 proven. 42 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-10-18 03:05:29,351 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 03:05:29,631 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 2 proven. 42 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-10-18 03:05:29,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304578681] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 03:05:29,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 03:05:29,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 26 [2024-10-18 03:05:29,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805643337] [2024-10-18 03:05:29,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 03:05:29,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-18 03:05:29,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 03:05:29,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-18 03:05:29,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-10-18 03:05:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 03:05:29,633 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 03:05:29,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.518518518518518) internal successors, (122), 26 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 03:05:29,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 03:05:29,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 03:05:29,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 03:05:29,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:05:29,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 03:05:29,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 03:05:29,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:05:29,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-10-18 03:05:29,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 03:05:29,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-10-18 03:05:29,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-10-18 03:05:29,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-10-18 03:05:29,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.