./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.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 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -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 13:57:39,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 13:57:39,583 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 13:57:39,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 13:57:39,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 13:57:39,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 13:57:39,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 13:57:39,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 13:57:39,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 13:57:39,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 13:57:39,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 13:57:39,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 13:57:39,626 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 13:57:39,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 13:57:39,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 13:57:39,629 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 13:57:39,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 13:57:39,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 13:57:39,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 13:57:39,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 13:57:39,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 13:57:39,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 13:57:39,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 13:57:39,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 13:57:39,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 13:57:39,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 13:57:39,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 13:57:39,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 13:57:39,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 13:57:39,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 13:57:39,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 13:57:39,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 13:57:39,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 13:57:39,636 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 13:57:39,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 13:57:39,637 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 13:57:39,637 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 13:57:39,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 13:57:39,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 13:57:39,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 13:57:39,639 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 13:57:39,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-10-18 13:57:39,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 13:57:39,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 13:57:39,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 13:57:39,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 13:57:39,931 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 13:57:39,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2024-10-18 13:57:41,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 13:57:41,494 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 13:57:41,495 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2024-10-18 13:57:41,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/379e56d0e/5b4a448f94c348c3af66574fdc5c4fbb/FLAG9d58d44b3 [2024-10-18 13:57:41,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/379e56d0e/5b4a448f94c348c3af66574fdc5c4fbb [2024-10-18 13:57:41,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 13:57:41,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 13:57:41,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 13:57:41,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 13:57:41,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 13:57:41,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 01:57:41" (1/1) ... [2024-10-18 13:57:41,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552bb412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41, skipping insertion in model container [2024-10-18 13:57:41,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 01:57:41" (1/1) ... [2024-10-18 13:57:41,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 13:57:41,792 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c[2435,2448] [2024-10-18 13:57:41,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 13:57:41,823 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 13:57:41,843 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c[2435,2448] [2024-10-18 13:57:41,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 13:57:41,867 INFO L204 MainTranslator]: Completed translation [2024-10-18 13:57:41,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41 WrapperNode [2024-10-18 13:57:41,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 13:57:41,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 13:57:41,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 13:57:41,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 13:57:41,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41" (1/1) ... [2024-10-18 13:57:41,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41" (1/1) ... [2024-10-18 13:57:41,905 INFO L138 Inliner]: procedures = 24, calls = 19, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 87 [2024-10-18 13:57:41,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 13:57:41,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 13:57:41,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 13:57:41,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 13:57:41,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41" (1/1) ... [2024-10-18 13:57:41,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41" (1/1) ... [2024-10-18 13:57:41,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41" (1/1) ... [2024-10-18 13:57:41,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41" (1/1) ... [2024-10-18 13:57:41,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41" (1/1) ... [2024-10-18 13:57:41,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41" (1/1) ... [2024-10-18 13:57:41,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41" (1/1) ... [2024-10-18 13:57:41,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41" (1/1) ... [2024-10-18 13:57:41,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 13:57:41,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 13:57:41,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 13:57:41,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 13:57:41,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41" (1/1) ... [2024-10-18 13:57:41,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 13:57:41,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:57:41,977 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 13:57:41,979 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 13:57:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 13:57:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 13:57:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 13:57:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 13:57:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 13:57:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 13:57:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 13:57:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 13:57:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 13:57:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 13:57:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 13:57:42,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 13:57:42,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 13:57:42,023 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 13:57:42,111 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 13:57:42,113 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 13:57:42,325 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 13:57:42,325 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 13:57:42,501 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 13:57:42,502 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-18 13:57:42,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 01:57:42 BoogieIcfgContainer [2024-10-18 13:57:42,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 13:57:42,506 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 13:57:42,506 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 13:57:42,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 13:57:42,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 01:57:41" (1/3) ... [2024-10-18 13:57:42,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d3347cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 01:57:42, skipping insertion in model container [2024-10-18 13:57:42,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 01:57:41" (2/3) ... [2024-10-18 13:57:42,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d3347cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 01:57:42, skipping insertion in model container [2024-10-18 13:57:42,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 01:57:42" (3/3) ... [2024-10-18 13:57:42,513 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2024-10-18 13:57:42,529 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 13:57:42,529 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 13:57:42,530 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 13:57:42,590 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-18 13:57:42,635 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 13:57:42,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 13:57:42,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:57:42,637 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 13:57:42,638 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 13:57:42,719 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 13:57:42,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:57:42,735 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 13:57:42,741 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;@7d2d337c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 13:57:42,742 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 13:57:43,292 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 13:57:43,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:57:43,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1321040005, now seen corresponding path program 1 times [2024-10-18 13:57:43,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:57:43,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995940081] [2024-10-18 13:57:43,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:57:43,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:57:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:57:43,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 13:57:43,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:57:43,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995940081] [2024-10-18 13:57:43,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995940081] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 13:57:43,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 13:57:43,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 13:57:43,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843389636] [2024-10-18 13:57:43,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 13:57:43,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 13:57:43,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:57:43,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 13:57:43,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-18 13:57:43,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:57:43,854 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:57:43,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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 13:57:43,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:57:43,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:57:43,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 13:57:43,936 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 13:57:43,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:57:43,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1383917308, now seen corresponding path program 1 times [2024-10-18 13:57:43,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:57:43,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567972307] [2024-10-18 13:57:43,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:57:43,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:57:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:57:44,138 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:57:44,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:57:44,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567972307] [2024-10-18 13:57:44,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567972307] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:57:44,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694745143] [2024-10-18 13:57:44,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:57:44,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:57:44,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:57:44,213 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 13:57:44,215 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 13:57:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:57:44,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 13:57:44,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:57:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:57:44,471 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:57:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:57:44,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694745143] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:57:44,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:57:44,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-18 13:57:44,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744473273] [2024-10-18 13:57:44,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:57:44,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-18 13:57:44,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:57:44,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-18 13:57:44,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-10-18 13:57:44,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:57:44,580 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:57:44,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 13 states have internal predecessors, (50), 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 13:57:44,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:57:44,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:57:44,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:57:44,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:57:44,709 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 13:57:44,891 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 13:57:44,892 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 13:57:44,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:57:44,892 INFO L85 PathProgramCache]: Analyzing trace with hash 661751909, now seen corresponding path program 2 times [2024-10-18 13:57:44,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:57:44,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343334064] [2024-10-18 13:57:44,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:57:44,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:57:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:57:45,128 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:57:45,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:57:45,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343334064] [2024-10-18 13:57:45,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343334064] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:57:45,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474797738] [2024-10-18 13:57:45,129 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 13:57:45,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:57:45,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:57:45,133 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 13:57:45,134 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 13:57:45,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 13:57:45,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:57:45,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 13:57:45,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:57:45,389 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:57:45,390 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:57:45,527 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:57:45,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474797738] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:57:45,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:57:45,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 20 [2024-10-18 13:57:45,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869202459] [2024-10-18 13:57:45,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:57:45,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-18 13:57:45,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:57:45,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-18 13:57:45,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2024-10-18 13:57:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:57:45,547 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:57:45,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 20 states have internal predecessors, (49), 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 13:57:45,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:57:45,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:57:45,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:57:45,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:57:45,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:57:45,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:57:45,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-18 13:57:46,078 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 13:57:46,079 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 13:57:46,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:57:46,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2040560570, now seen corresponding path program 1 times [2024-10-18 13:57:46,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:57:46,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369106269] [2024-10-18 13:57:46,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:57:46,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:57:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:57:46,289 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:57:46,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:57:46,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369106269] [2024-10-18 13:57:46,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369106269] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:57:46,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116753485] [2024-10-18 13:57:46,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:57:46,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:57:46,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:57:46,294 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 13:57:46,295 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 13:57:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:57:46,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-18 13:57:46,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:57:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:57:46,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:57:46,711 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 13:57:46,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116753485] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 13:57:46,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 13:57:46,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 22 [2024-10-18 13:57:46,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482941633] [2024-10-18 13:57:46,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 13:57:46,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-18 13:57:46,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 13:57:46,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-18 13:57:46,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2024-10-18 13:57:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:57:46,738 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 13:57:46,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 22 states have internal predecessors, (60), 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 13:57:46,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:57:46,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:57:46,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:57:46,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 13:57:46,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 13:57:46,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 13:57:46,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 13:57:46,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 13:57:46,862 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 13:57:47,044 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 13:57:47,044 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 13:57:47,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 13:57:47,045 INFO L85 PathProgramCache]: Analyzing trace with hash 2060802855, now seen corresponding path program 2 times [2024-10-18 13:57:47,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 13:57:47,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335439802] [2024-10-18 13:57:47,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 13:57:47,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 13:57:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 13:57:48,669 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:57:48,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 13:57:48,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335439802] [2024-10-18 13:57:48,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335439802] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 13:57:48,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881203233] [2024-10-18 13:57:48,671 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 13:57:48,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 13:57:48,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 13:57:48,673 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 13:57:48,676 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 13:57:48,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 13:57:48,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 13:57:48,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-10-18 13:57:48,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 13:57:49,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-10-18 13:57:49,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 13:57:49,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 13:57:49,951 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 13:57:49,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 13:57:49,953 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 13:57:49,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 13:57:49,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 13:57:49,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 49 treesize of output 21 [2024-10-18 13:57:50,048 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 13:57:50,048 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 13:57:51,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 88 [2024-10-18 13:57:51,658 INFO L349 Elim1Store]: treesize reduction 45, result has 15.1 percent of original size [2024-10-18 13:57:51,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 674 treesize of output 442 [2024-10-18 13:58:03,537 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:58:04,001 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:58:11,407 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:58:13,904 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:58:14,629 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:58:26,231 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:58:59,975 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:00,357 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:11,001 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:15,335 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:15,703 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-10-18 13:59:15,834 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-10-18 13:59:15,973 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:16,794 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:17,800 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-10-18 13:59:18,170 WARN L672 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-10-18 13:59:18,338 WARN L672 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-10-18 13:59:18,459 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-10-18 13:59:18,604 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:19,552 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:19,816 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-10-18 13:59:19,920 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-10-18 13:59:20,043 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:21,626 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:23,383 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:27,702 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:27,840 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:29,657 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:30,163 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-10-18 13:59:30,273 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-10-18 13:59:30,416 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:32,449 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 13:59:32,563 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 14:00:17,955 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 14:00:18,243 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 14:00:18,554 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 14:00:18,987 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-10-18 14:00:19,209 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-10-18 14:00:19,726 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 14:00:20,037 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 14:00:20,457 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-10-18 14:02:50,027 WARN L286 SmtUtils]: Spent 7.21s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-18 14:06:44,637 WARN L286 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-18 14:06:50,690 WARN L286 SmtUtils]: Spent 5.82s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Killed by 15