./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.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/chl-chromosome-opt-symm.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 b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a --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 02:04:25,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 02:04:25,502 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 02:04:25,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 02:04:25,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 02:04:25,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 02:04:25,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 02:04:25,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 02:04:25,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 02:04:25,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 02:04:25,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 02:04:25,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 02:04:25,534 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 02:04:25,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 02:04:25,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 02:04:25,535 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 02:04:25,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 02:04:25,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 02:04:25,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 02:04:25,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 02:04:25,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 02:04:25,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 02:04:25,537 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 02:04:25,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 02:04:25,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 02:04:25,538 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 02:04:25,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 02:04:25,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 02:04:25,539 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 02:04:25,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 02:04:25,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 02:04:25,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 02:04:25,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 02:04:25,541 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 02:04:25,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 02:04:25,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 02:04:25,541 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 02:04:25,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 02:04:25,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 02:04:25,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 02:04:25,542 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 02:04:25,542 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 -> b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a 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 02:04:25,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 02:04:25,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 02:04:25,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 02:04:25,779 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 02:04:25,779 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 02:04:25,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2024-10-18 02:04:27,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 02:04:27,224 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 02:04:27,224 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2024-10-18 02:04:27,230 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/24b88dc8f/dd143fc3f86145a99724a8999a7b2c1e/FLAGfb344d1cc [2024-10-18 02:04:27,641 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/24b88dc8f/dd143fc3f86145a99724a8999a7b2c1e [2024-10-18 02:04:27,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 02:04:27,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 02:04:27,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 02:04:27,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 02:04:27,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 02:04:27,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 02:04:27" (1/1) ... [2024-10-18 02:04:27,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e959031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27, skipping insertion in model container [2024-10-18 02:04:27,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 02:04:27" (1/1) ... [2024-10-18 02:04:27,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 02:04:27,831 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/chl-chromosome-opt-symm.wvr.c[2592,2605] [2024-10-18 02:04:27,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 02:04:27,854 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 02:04:27,877 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/chl-chromosome-opt-symm.wvr.c[2592,2605] [2024-10-18 02:04:27,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 02:04:27,919 INFO L204 MainTranslator]: Completed translation [2024-10-18 02:04:27,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27 WrapperNode [2024-10-18 02:04:27,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 02:04:27,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 02:04:27,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 02:04:27,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 02:04:27,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27" (1/1) ... [2024-10-18 02:04:27,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27" (1/1) ... [2024-10-18 02:04:27,969 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 169 [2024-10-18 02:04:27,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 02:04:27,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 02:04:27,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 02:04:27,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 02:04:27,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27" (1/1) ... [2024-10-18 02:04:27,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27" (1/1) ... [2024-10-18 02:04:27,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27" (1/1) ... [2024-10-18 02:04:27,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27" (1/1) ... [2024-10-18 02:04:27,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27" (1/1) ... [2024-10-18 02:04:27,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27" (1/1) ... [2024-10-18 02:04:28,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27" (1/1) ... [2024-10-18 02:04:28,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27" (1/1) ... [2024-10-18 02:04:28,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 02:04:28,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 02:04:28,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 02:04:28,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 02:04:28,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27" (1/1) ... [2024-10-18 02:04:28,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 02:04:28,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 02:04:28,044 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 02:04:28,049 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 02:04:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 02:04:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 02:04:28,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 02:04:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 02:04:28,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 02:04:28,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 02:04:28,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 02:04:28,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 02:04:28,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 02:04:28,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 02:04:28,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 02:04:28,087 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 02:04:28,183 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 02:04:28,185 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 02:04:28,369 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 02:04:28,370 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 02:04:28,557 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 02:04:28,557 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-18 02:04:28,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 02:04:28 BoogieIcfgContainer [2024-10-18 02:04:28,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 02:04:28,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 02:04:28,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 02:04:28,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 02:04:28,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 02:04:27" (1/3) ... [2024-10-18 02:04:28,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6747f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 02:04:28, skipping insertion in model container [2024-10-18 02:04:28,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 02:04:27" (2/3) ... [2024-10-18 02:04:28,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6747f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 02:04:28, skipping insertion in model container [2024-10-18 02:04:28,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 02:04:28" (3/3) ... [2024-10-18 02:04:28,566 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2024-10-18 02:04:28,578 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 02:04:28,578 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 02:04:28,579 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 02:04:28,621 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-18 02:04:28,661 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 02:04:28,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 02:04:28,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 02:04:28,664 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 02:04:28,665 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 02:04:28,729 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 02:04:28,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:28,742 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 02:04:28,747 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;@56beeae3, 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 02:04:28,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-18 02:04:28,988 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 02:04:28,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:28,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1066408522, now seen corresponding path program 1 times [2024-10-18 02:04:28,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 02:04:28,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605419680] [2024-10-18 02:04:28,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:28,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 02:04:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 02:04:29,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 02:04:29,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605419680] [2024-10-18 02:04:29,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605419680] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 02:04:29,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 02:04:29,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 02:04:29,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691731438] [2024-10-18 02:04:29,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 02:04:29,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 02:04:29,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 02:04:29,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 02:04:29,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-18 02:04:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:29,345 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 02:04:29,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 02:04:29,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:29,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:29,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 02:04:29,418 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 02:04:29,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:29,419 INFO L85 PathProgramCache]: Analyzing trace with hash -560171126, now seen corresponding path program 1 times [2024-10-18 02:04:29,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 02:04:29,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869887841] [2024-10-18 02:04:29,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:29,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 02:04:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 02:04:29,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 02:04:29,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869887841] [2024-10-18 02:04:29,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869887841] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 02:04:29,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904922106] [2024-10-18 02:04:29,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:29,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:29,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 02:04:29,539 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 02:04:29,540 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 02:04:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:29,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-18 02:04:29,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 02:04:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 02:04:29,648 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 02:04:29,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904922106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 02:04:29,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 02:04:29,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-10-18 02:04:29,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203105976] [2024-10-18 02:04:29,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 02:04:29,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 02:04:29,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 02:04:29,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 02:04:29,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-18 02:04:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:29,652 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 02:04:29,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 02:04:29,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:29,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:29,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:29,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:29,718 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 02:04:29,908 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 02:04:29,909 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 02:04:29,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:29,914 INFO L85 PathProgramCache]: Analyzing trace with hash 192733324, now seen corresponding path program 1 times [2024-10-18 02:04:29,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 02:04:29,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401043704] [2024-10-18 02:04:29,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:29,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 02:04:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 02:04:30,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 02:04:30,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401043704] [2024-10-18 02:04:30,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401043704] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 02:04:30,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727982063] [2024-10-18 02:04:30,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:30,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:30,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 02:04:30,022 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 02:04:30,026 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 02:04:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:30,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-18 02:04:30,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 02:04:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 02:04:30,155 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 02:04:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 02:04:30,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727982063] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 02:04:30,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 02:04:30,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2024-10-18 02:04:30,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089394633] [2024-10-18 02:04:30,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 02:04:30,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-18 02:04:30,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 02:04:30,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-18 02:04:30,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-18 02:04:30,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:30,186 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 02:04:30,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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 02:04:30,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:30,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:30,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:30,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:30,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:30,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:30,295 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 02:04:30,482 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 02:04:30,483 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 02:04:30,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:30,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1248591284, now seen corresponding path program 2 times [2024-10-18 02:04:30,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 02:04:30,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164687597] [2024-10-18 02:04:30,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:30,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 02:04:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-18 02:04:30,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 02:04:30,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164687597] [2024-10-18 02:04:30,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164687597] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 02:04:30,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714281052] [2024-10-18 02:04:30,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 02:04:30,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:30,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 02:04:30,655 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 02:04:30,656 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 02:04:30,744 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 02:04:30,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 02:04:30,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-18 02:04:30,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 02:04:30,802 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-18 02:04:30,802 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 02:04:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-18 02:04:30,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714281052] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 02:04:30,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 02:04:30,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-10-18 02:04:30,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118391522] [2024-10-18 02:04:30,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 02:04:30,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-18 02:04:30,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 02:04:30,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-18 02:04:30,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-18 02:04:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:30,859 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 02:04:30,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.125) internal successors, (50), 16 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 02:04:30,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:30,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:30,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:30,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:30,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:30,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:30,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:30,968 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 02:04:31,160 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 02:04:31,161 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 02:04:31,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:31,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1887468944, now seen corresponding path program 3 times [2024-10-18 02:04:31,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 02:04:31,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265480389] [2024-10-18 02:04:31,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:31,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 02:04:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:31,285 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 02:04:31,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 02:04:31,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265480389] [2024-10-18 02:04:31,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265480389] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 02:04:31,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668970730] [2024-10-18 02:04:31,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 02:04:31,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:31,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 02:04:31,289 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 02:04:31,293 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 02:04:31,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-18 02:04:31,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 02:04:31,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-18 02:04:31,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 02:04:31,582 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-18 02:04:31,582 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 02:04:31,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668970730] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 02:04:31,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 02:04:31,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 15 [2024-10-18 02:04:31,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377855328] [2024-10-18 02:04:31,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 02:04:31,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-18 02:04:31,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 02:04:31,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-18 02:04:31,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-10-18 02:04:31,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:31,584 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 02:04:31,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 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 02:04:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:31,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:31,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:31,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:31,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:31,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:31,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:31,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:31,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-18 02:04:31,992 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 [2024-10-18 02:04:31,992 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 02:04:31,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:31,993 INFO L85 PathProgramCache]: Analyzing trace with hash -570051639, now seen corresponding path program 1 times [2024-10-18 02:04:31,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 02:04:31,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653455860] [2024-10-18 02:04:31,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:31,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 02:04:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:32,151 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 02:04:32,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 02:04:32,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653455860] [2024-10-18 02:04:32,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653455860] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 02:04:32,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429097541] [2024-10-18 02:04:32,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:32,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:32,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 02:04:32,154 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 02:04:32,155 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 02:04:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:32,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-18 02:04:32,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 02:04:32,296 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 02:04:32,296 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 02:04:32,367 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 02:04:32,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429097541] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 02:04:32,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 02:04:32,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2024-10-18 02:04:32,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200842469] [2024-10-18 02:04:32,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 02:04:32,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-18 02:04:32,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 02:04:32,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-18 02:04:32,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-18 02:04:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:32,372 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 02:04:32,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 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 02:04:32,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:32,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:32,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:32,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:32,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:32,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:32,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:32,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:32,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:32,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:32,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:32,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:32,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-18 02:04:32,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:32,657 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 02:04:32,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:32,658 INFO L85 PathProgramCache]: Analyzing trace with hash -2067632819, now seen corresponding path program 2 times [2024-10-18 02:04:32,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 02:04:32,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871167219] [2024-10-18 02:04:32,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:32,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 02:04:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:33,815 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-18 02:04:33,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 02:04:33,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871167219] [2024-10-18 02:04:33,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871167219] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 02:04:33,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463452407] [2024-10-18 02:04:33,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 02:04:33,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:33,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 02:04:33,818 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 02:04:33,828 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 02:04:33,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 02:04:33,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 02:04:33,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-18 02:04:33,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 02:04:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-18 02:04:34,129 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 02:04:34,263 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-10-18 02:04:34,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 40 treesize of output 56 [2024-10-18 02:04:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-18 02:04:34,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463452407] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 02:04:34,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 02:04:34,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 8] total 28 [2024-10-18 02:04:34,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984868163] [2024-10-18 02:04:34,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 02:04:34,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-18 02:04:34,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 02:04:34,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-18 02:04:34,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2024-10-18 02:04:34,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:34,324 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 02:04:34,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.107142857142857) internal successors, (59), 28 states have internal predecessors, (59), 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 02:04:34,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:34,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:34,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:34,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:34,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:34,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:34,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:35,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:35,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:35,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:35,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:35,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:35,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:35,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 02:04:35,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-18 02:04:35,273 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,SelfDestructingSolverStorable6 [2024-10-18 02:04:35,274 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 02:04:35,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:35,274 INFO L85 PathProgramCache]: Analyzing trace with hash 705176223, now seen corresponding path program 3 times [2024-10-18 02:04:35,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 02:04:35,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911928937] [2024-10-18 02:04:35,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:35,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 02:04:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:35,418 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 37 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 02:04:35,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 02:04:35,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911928937] [2024-10-18 02:04:35,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911928937] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 02:04:35,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170823080] [2024-10-18 02:04:35,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 02:04:35,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:35,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 02:04:35,423 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 02:04:35,424 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 02:04:35,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-18 02:04:35,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 02:04:35,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 02:04:35,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 02:04:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 02:04:35,610 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 02:04:35,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170823080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 02:04:35,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 02:04:35,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2024-10-18 02:04:35,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719246728] [2024-10-18 02:04:35,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 02:04:35,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-18 02:04:35,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 02:04:35,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-18 02:04:35,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-18 02:04:35,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:35,616 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 02:04:35,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 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 02:04:35,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 02:04:35,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:35,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 02:04:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:35,781 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 02:04:35,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:35,965 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 02:04:35,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:35,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1132114069, now seen corresponding path program 1 times [2024-10-18 02:04:35,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 02:04:35,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767104808] [2024-10-18 02:04:35,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:35,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 02:04:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-10-18 02:04:36,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 02:04:36,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767104808] [2024-10-18 02:04:36,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767104808] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 02:04:36,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 02:04:36,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 02:04:36,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446256151] [2024-10-18 02:04:36,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 02:04:36,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 02:04:36,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 02:04:36,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 02:04:36,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 02:04:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:36,120 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 02:04:36,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 02:04:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 02:04:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:36,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:36,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:36,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:36,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:36,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:36,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:36,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 02:04:36,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:36,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:36,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-18 02:04:36,219 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 02:04:36,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:36,219 INFO L85 PathProgramCache]: Analyzing trace with hash 396138595, now seen corresponding path program 1 times [2024-10-18 02:04:36,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 02:04:36,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324012313] [2024-10-18 02:04:36,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:36,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 02:04:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:36,388 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 68 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 02:04:36,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 02:04:36,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324012313] [2024-10-18 02:04:36,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324012313] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 02:04:36,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029993873] [2024-10-18 02:04:36,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:36,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:36,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 02:04:36,391 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 02:04:36,393 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 02:04:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:36,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 02:04:36,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 02:04:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-18 02:04:36,525 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 02:04:36,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029993873] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 02:04:36,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 02:04:36,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 11 [2024-10-18 02:04:36,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789950072] [2024-10-18 02:04:36,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 02:04:36,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-18 02:04:36,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 02:04:36,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-18 02:04:36,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-10-18 02:04:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:36,527 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 02:04:36,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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 02:04:36,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:36,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:36,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:36,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:36,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:36,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:36,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 02:04:36,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:36,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:36,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 02:04:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:36,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:36,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:36,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-18 02:04:36,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-18 02:04:36,856 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 02:04:36,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:36,856 INFO L85 PathProgramCache]: Analyzing trace with hash 827467880, now seen corresponding path program 1 times [2024-10-18 02:04:36,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 02:04:36,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989264242] [2024-10-18 02:04:36,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:36,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 02:04:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-18 02:04:38,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 02:04:38,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989264242] [2024-10-18 02:04:38,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989264242] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 02:04:38,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622494186] [2024-10-18 02:04:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:38,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:38,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 02:04:38,474 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 02:04:38,480 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 02:04:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:38,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-18 02:04:38,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 02:04:38,900 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-10-18 02:04:38,900 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 127 treesize of output 64 [2024-10-18 02:04:38,978 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 02:04:38,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 02:04:39,174 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-10-18 02:04:39,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 144 treesize of output 112 [2024-10-18 02:04:39,266 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-10-18 02:04:39,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622494186] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 02:04:39,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 02:04:39,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16, 9] total 39 [2024-10-18 02:04:39,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769128260] [2024-10-18 02:04:39,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 02:04:39,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-10-18 02:04:39,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 02:04:39,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-10-18 02:04:39,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1355, Unknown=0, NotChecked=0, Total=1482 [2024-10-18 02:04:39,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:39,268 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 02:04:39,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.1025641025641026) internal successors, (82), 39 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 02:04:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 02:04:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:42,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 02:04:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-10-18 02:04:42,399 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 02:04:42,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-18 02:04:42,590 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 02:04:42,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:42,591 INFO L85 PathProgramCache]: Analyzing trace with hash -662542294, now seen corresponding path program 2 times [2024-10-18 02:04:42,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 02:04:42,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020091960] [2024-10-18 02:04:42,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:42,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 02:04:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:42,732 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-18 02:04:42,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 02:04:42,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020091960] [2024-10-18 02:04:42,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020091960] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 02:04:42,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213662617] [2024-10-18 02:04:42,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 02:04:42,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:42,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 02:04:42,734 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 02:04:42,741 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 02:04:42,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 02:04:42,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 02:04:42,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-18 02:04:42,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 02:04:42,921 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-18 02:04:42,921 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 02:04:42,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213662617] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 02:04:42,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 02:04:42,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 14 [2024-10-18 02:04:42,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107087950] [2024-10-18 02:04:42,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 02:04:42,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-18 02:04:42,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 02:04:42,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-18 02:04:42,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-10-18 02:04:42,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:42,924 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 02:04:42,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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 02:04:42,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:42,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:42,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:42,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:42,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:42,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:42,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 02:04:42,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:42,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:42,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:42,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-10-18 02:04:42,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-18 02:04:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-10-18 02:04:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:43,046 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 02:04:43,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:43,232 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 02:04:43,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 02:04:43,233 INFO L85 PathProgramCache]: Analyzing trace with hash -110867028, now seen corresponding path program 3 times [2024-10-18 02:04:43,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 02:04:43,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505104742] [2024-10-18 02:04:43,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 02:04:43,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 02:04:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 02:04:43,367 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 02:04:43,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 02:04:43,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505104742] [2024-10-18 02:04:43,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505104742] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 02:04:43,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911628695] [2024-10-18 02:04:43,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 02:04:43,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 02:04:43,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 02:04:43,370 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 02:04:43,374 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 02:04:43,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-10-18 02:04:43,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 02:04:43,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-18 02:04:43,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 02:04:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 02:04:43,596 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 02:04:43,652 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-18 02:04:43,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911628695] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 02:04:43,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 02:04:43,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 10 [2024-10-18 02:04:43,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671637328] [2024-10-18 02:04:43,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 02:04:43,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-18 02:04:43,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 02:04:43,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-18 02:04:43,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-18 02:04:43,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:43,653 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 02:04:43,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 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 02:04:43,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:43,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:43,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:43,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:43,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 02:04:43,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:43,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-10-18 02:04:43,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:43,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:43,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:43,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-10-18 02:04:43,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:43,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 02:04:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 02:04:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 02:04:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 02:04:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-18 02:04:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 02:04:45,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:45,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-10-18 02:04:45,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 02:04:45,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 02:04:45,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-18 02:04:45,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-10-18 02:04:45,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-10-18 02:04:45,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-18 02:04:45,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-18 02:04:45,403 INFO L414 BasicCegarLoop]: Path program histogram: [3, 3, 3, 1, 1, 1, 1] [2024-10-18 02:04:45,405 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 02:04:45,405 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 02:04:45,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 02:04:45 BasicIcfg [2024-10-18 02:04:45,407 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 02:04:45,408 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 02:04:45,408 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 02:04:45,408 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 02:04:45,408 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 02:04:28" (3/4) ... [2024-10-18 02:04:45,409 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 02:04:45,412 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-18 02:04:45,412 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-18 02:04:45,415 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2024-10-18 02:04:45,415 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-10-18 02:04:45,415 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-18 02:04:45,416 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-18 02:04:45,481 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 02:04:45,482 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 02:04:45,482 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 02:04:45,482 INFO L158 Benchmark]: Toolchain (without parser) took 17837.55ms. Allocated memory was 184.5MB in the beginning and 518.0MB in the end (delta: 333.4MB). Free memory was 116.2MB in the beginning and 195.0MB in the end (delta: -78.8MB). Peak memory consumption was 254.8MB. Max. memory is 16.1GB. [2024-10-18 02:04:45,482 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory was 142.6MB in the beginning and 142.5MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 02:04:45,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.50ms. Allocated memory is still 184.5MB. Free memory was 116.0MB in the beginning and 156.3MB in the end (delta: -40.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-10-18 02:04:45,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.07ms. Allocated memory is still 184.5MB. Free memory was 156.3MB in the beginning and 154.4MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 02:04:45,483 INFO L158 Benchmark]: Boogie Preprocessor took 34.59ms. Allocated memory is still 184.5MB. Free memory was 154.4MB in the beginning and 152.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 02:04:45,483 INFO L158 Benchmark]: RCFGBuilder took 550.25ms. Allocated memory is still 184.5MB. Free memory was 152.2MB in the beginning and 103.9MB in the end (delta: 48.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-10-18 02:04:45,483 INFO L158 Benchmark]: TraceAbstraction took 16848.31ms. Allocated memory was 184.5MB in the beginning and 518.0MB in the end (delta: 333.4MB). Free memory was 102.0MB in the beginning and 200.2MB in the end (delta: -98.2MB). Peak memory consumption was 238.2MB. Max. memory is 16.1GB. [2024-10-18 02:04:45,484 INFO L158 Benchmark]: Witness Printer took 74.30ms. Allocated memory is still 518.0MB. Free memory was 200.2MB in the beginning and 195.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 02:04:45,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory was 142.6MB in the beginning and 142.5MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.50ms. Allocated memory is still 184.5MB. Free memory was 116.0MB in the beginning and 156.3MB in the end (delta: -40.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.07ms. Allocated memory is still 184.5MB. Free memory was 156.3MB in the beginning and 154.4MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.59ms. Allocated memory is still 184.5MB. Free memory was 154.4MB in the beginning and 152.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 550.25ms. Allocated memory is still 184.5MB. Free memory was 152.2MB in the beginning and 103.9MB in the end (delta: 48.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16848.31ms. Allocated memory was 184.5MB in the beginning and 518.0MB in the end (delta: 333.4MB). Free memory was 102.0MB in the beginning and 200.2MB in the end (delta: -98.2MB). Peak memory consumption was 238.2MB. Max. memory is 16.1GB. * Witness Printer took 74.30ms. Allocated memory is still 518.0MB. Free memory was 200.2MB in the beginning and 195.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2260, independent: 1672, independent conditional: 1416, independent unconditional: 256, dependent: 588, dependent conditional: 586, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1674, independent: 1672, independent conditional: 1416, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1674, independent: 1672, independent conditional: 1416, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1674, independent: 1672, independent conditional: 1416, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1676, independent: 1672, independent conditional: 1416, independent unconditional: 256, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1676, independent: 1672, independent conditional: 0, independent unconditional: 1672, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1676, independent: 1672, independent conditional: 0, independent unconditional: 1672, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 216, independent: 213, independent conditional: 0, independent unconditional: 213, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1676, independent: 1458, independent conditional: 0, independent unconditional: 1458, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1416, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1676, independent: 1672, independent conditional: 1416, independent unconditional: 256, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1676, independent: 1672, independent conditional: 0, independent unconditional: 1672, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1676, independent: 1672, independent conditional: 0, independent unconditional: 1672, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 216, independent: 213, independent conditional: 0, independent unconditional: 213, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1676, independent: 1458, independent conditional: 0, independent unconditional: 1458, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1416 ], Independence queries for same thread: 586, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 54, Number of trivial persistent sets: 43, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 258, independent: 256, independent conditional: 0, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2260, independent: 1672, independent conditional: 1416, independent unconditional: 256, dependent: 588, dependent conditional: 586, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1674, independent: 1672, independent conditional: 1416, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1674, independent: 1672, independent conditional: 1416, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1674, independent: 1672, independent conditional: 1416, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1676, independent: 1672, independent conditional: 1416, independent unconditional: 256, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1676, independent: 1672, independent conditional: 0, independent unconditional: 1672, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1676, independent: 1672, independent conditional: 0, independent unconditional: 1672, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 216, independent: 213, independent conditional: 0, independent unconditional: 213, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1676, independent: 1458, independent conditional: 0, independent unconditional: 1458, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1416, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1676, independent: 1672, independent conditional: 1416, independent unconditional: 256, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1676, independent: 1672, independent conditional: 0, independent unconditional: 1672, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1676, independent: 1672, independent conditional: 0, independent unconditional: 1672, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 216, independent: 213, independent conditional: 0, independent unconditional: 213, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1676, independent: 1458, independent conditional: 0, independent unconditional: 1458, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1416 ], Independence queries for same thread: 586 - PositiveResult [Line: 93]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 35 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 16.7s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 6.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 205, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 899 NumberOfCodeBlocks, 895 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1086 ConstructedInterpolants, 0 QuantifiedInterpolants, 4907 SizeOfPredicates, 52 NumberOfNonLiveVariables, 3042 ConjunctsInSsa, 134 ConjunctsInUnsatCore, 30 InterpolantComputations, 7 PerfectInterpolantSequences, 1118/1491 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 02:04:45,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-18 02:04:45,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE