./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking NONE -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.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 3c66e95d4d33d89eed9ab2f285249dafeef639a3ca9f6d879b87b944d1b8c0ce --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking NONE -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 [2024-10-16 22:19:41,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 22:19:41,392 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 22:19:41,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 22:19:41,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 22:19:41,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 22:19:41,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 22:19:41,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 22:19:41,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 22:19:41,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 22:19:41,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 22:19:41,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 22:19:41,461 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 22:19:41,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 22:19:41,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 22:19:41,463 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 22:19:41,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 22:19:41,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 22:19:41,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 22:19:41,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 22:19:41,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 22:19:41,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 22:19:41,471 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 22:19:41,471 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 22:19:41,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 22:19:41,472 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 22:19:41,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 22:19:41,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 22:19:41,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 22:19:41,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 22:19:41,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 22:19:41,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 22:19:41,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 22:19:41,474 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 22:19:41,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 22:19:41,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 22:19:41,475 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 22:19:41,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 22:19:41,475 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 22:19:41,476 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 22:19:41,477 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 22:19:41,477 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c66e95d4d33d89eed9ab2f285249dafeef639a3ca9f6d879b87b944d1b8c0ce Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-10-16 22:19:41,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 22:19:42,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 22:19:42,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 22:19:42,066 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 22:19:42,067 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 22:19:42,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-10-16 22:19:44,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 22:19:44,533 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 22:19:44,534 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-10-16 22:19:44,547 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3f4112fa7/777b7a23ebe247e7b1e16086f6fc3a52/FLAG75428dc29 [2024-10-16 22:19:44,565 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3f4112fa7/777b7a23ebe247e7b1e16086f6fc3a52 [2024-10-16 22:19:44,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 22:19:44,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 22:19:44,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 22:19:44,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 22:19:44,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 22:19:44,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:19:44" (1/1) ... [2024-10-16 22:19:44,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ea4446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:44, skipping insertion in model container [2024-10-16 22:19:44,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:19:44" (1/1) ... [2024-10-16 22:19:44,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 22:19:44,961 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2113,2126] [2024-10-16 22:19:44,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 22:19:44,997 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 22:19:45,021 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2113,2126] [2024-10-16 22:19:45,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 22:19:45,040 INFO L204 MainTranslator]: Completed translation [2024-10-16 22:19:45,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:45 WrapperNode [2024-10-16 22:19:45,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 22:19:45,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 22:19:45,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 22:19:45,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 22:19:45,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:45" (1/1) ... [2024-10-16 22:19:45,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:45" (1/1) ... [2024-10-16 22:19:45,074 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-10-16 22:19:45,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 22:19:45,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 22:19:45,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 22:19:45,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 22:19:45,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:45" (1/1) ... [2024-10-16 22:19:45,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:45" (1/1) ... [2024-10-16 22:19:45,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:45" (1/1) ... [2024-10-16 22:19:45,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:45" (1/1) ... [2024-10-16 22:19:45,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:45" (1/1) ... [2024-10-16 22:19:45,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:45" (1/1) ... [2024-10-16 22:19:45,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:45" (1/1) ... [2024-10-16 22:19:45,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:45" (1/1) ... [2024-10-16 22:19:45,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 22:19:45,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 22:19:45,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 22:19:45,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 22:19:45,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:45" (1/1) ... [2024-10-16 22:19:45,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 22:19:45,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:19:45,152 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) [2024-10-16 22:19:45,159 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 [2024-10-16 22:19:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 22:19:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-16 22:19:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-16 22:19:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-16 22:19:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-16 22:19:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 22:19:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 22:19:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 22:19:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 22:19:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 22:19:45,263 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 22:19:45,384 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 22:19:45,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 22:19:45,645 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 22:19:45,650 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 22:19:45,919 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 22:19:45,922 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-16 22:19:45,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:19:45 BoogieIcfgContainer [2024-10-16 22:19:45,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 22:19:45,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 22:19:45,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 22:19:45,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 22:19:45,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:19:44" (1/3) ... [2024-10-16 22:19:45,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aacfc55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:19:45, skipping insertion in model container [2024-10-16 22:19:45,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:19:45" (2/3) ... [2024-10-16 22:19:45,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aacfc55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:19:45, skipping insertion in model container [2024-10-16 22:19:45,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:19:45" (3/3) ... [2024-10-16 22:19:45,938 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c [2024-10-16 22:19:46,003 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 22:19:46,004 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 22:19:46,004 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 22:19:46,077 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-16 22:19:46,136 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 22:19:46,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 22:19:46,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:19:46,143 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) [2024-10-16 22:19:46,145 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 [2024-10-16 22:19:46,245 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 22:19:46,257 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 22:19:46,268 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;@2ff2275e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 22:19:46,268 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-16 22:19:46,762 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 22:19:46,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:19:46,776 INFO L85 PathProgramCache]: Analyzing trace with hash 111739381, now seen corresponding path program 1 times [2024-10-16 22:19:46,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:19:46,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842677960] [2024-10-16 22:19:46,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:19:46,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:19:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:19:47,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:19:47,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:19:47,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842677960] [2024-10-16 22:19:47,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842677960] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:19:47,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774690182] [2024-10-16 22:19:47,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:19:47,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:19:47,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:19:47,982 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) [2024-10-16 22:19:47,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-16 22:19:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:19:48,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-16 22:19:48,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:19:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:19:48,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:19:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:19:48,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774690182] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:19:48,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:19:48,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 24 [2024-10-16 22:19:48,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143104330] [2024-10-16 22:19:48,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:19:48,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-16 22:19:48,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:19:48,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-16 22:19:48,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2024-10-16 22:19:48,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:19:48,930 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:19:48,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.72) internal successors, (43), 24 states have internal predecessors, (43), 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) [2024-10-16 22:19:48,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:19:50,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-16 22:19:50,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-16 22:19:50,858 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,SelfDestructingSolverStorable0 [2024-10-16 22:19:50,859 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 22:19:50,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:19:50,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1769255705, now seen corresponding path program 1 times [2024-10-16 22:19:50,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:19:50,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002956452] [2024-10-16 22:19:50,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:19:50,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:19:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:19:51,540 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:19:51,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:19:51,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002956452] [2024-10-16 22:19:51,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002956452] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:19:51,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565968105] [2024-10-16 22:19:51,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:19:51,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:19:51,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:19:51,564 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) [2024-10-16 22:19:51,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-16 22:19:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:19:51,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-16 22:19:51,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:19:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:19:52,077 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:19:52,558 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 22:19:52,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565968105] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:19:52,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:19:52,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 14] total 37 [2024-10-16 22:19:52,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551192993] [2024-10-16 22:19:52,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:19:52,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-10-16 22:19:52,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:19:52,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-10-16 22:19:52,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1229, Unknown=0, NotChecked=0, Total=1406 [2024-10-16 22:19:52,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:19:52,567 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:19:52,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.5789473684210527) internal successors, (60), 37 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:19:52,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-16 22:19:52,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:19:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-16 22:19:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-10-16 22:19:55,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-16 22:19:55,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:19:55,477 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 22:19:55,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:19:55,482 INFO L85 PathProgramCache]: Analyzing trace with hash 674039691, now seen corresponding path program 2 times [2024-10-16 22:19:55,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:19:55,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705671259] [2024-10-16 22:19:55,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:19:55,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:19:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:19:55,579 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-16 22:19:55,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:19:55,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705671259] [2024-10-16 22:19:55,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705671259] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 22:19:55,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 22:19:55,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 22:19:55,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088453699] [2024-10-16 22:19:55,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 22:19:55,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 22:19:55,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:19:55,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 22:19:55,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-16 22:19:55,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:19:55,583 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:19:55,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:19:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-16 22:19:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-10-16 22:19:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:19:55,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-16 22:19:55,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-10-16 22:19:55,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:19:55,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-16 22:19:55,896 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 22:19:55,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:19:55,897 INFO L85 PathProgramCache]: Analyzing trace with hash 443816707, now seen corresponding path program 3 times [2024-10-16 22:19:55,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:19:55,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553752829] [2024-10-16 22:19:55,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:19:55,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:19:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:19:56,754 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-16 22:19:56,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:19:56,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553752829] [2024-10-16 22:19:56,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553752829] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:19:56,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426264490] [2024-10-16 22:19:56,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-16 22:19:56,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:19:56,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:19:56,759 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) [2024-10-16 22:19:56,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-16 22:19:56,923 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-10-16 22:19:56,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:19:56,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-10-16 22:19:56,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:19:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:19:58,108 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:19:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 58 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-16 22:19:59,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426264490] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:19:59,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:19:59,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 27, 19] total 60 [2024-10-16 22:19:59,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635936045] [2024-10-16 22:19:59,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:19:59,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-10-16 22:19:59,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:19:59,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-10-16 22:19:59,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=3292, Unknown=0, NotChecked=0, Total=3660 [2024-10-16 22:19:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:19:59,564 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:19:59,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.721311475409836) internal successors, (105), 60 states have internal predecessors, (105), 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) [2024-10-16 22:19:59,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-16 22:19:59,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-10-16 22:19:59,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:19:59,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-16 22:20:05,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-10-16 22:20:05,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:05,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-10-16 22:20:05,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-16 22:20:05,446 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 [2024-10-16 22:20:05,447 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 22:20:05,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:20:05,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1692201618, now seen corresponding path program 4 times [2024-10-16 22:20:05,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:20:05,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076959870] [2024-10-16 22:20:05,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:20:05,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:20:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:20:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-10-16 22:20:06,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:20:06,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076959870] [2024-10-16 22:20:06,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076959870] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:20:06,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974803585] [2024-10-16 22:20:06,413 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-16 22:20:06,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:20:06,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:20:06,416 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) [2024-10-16 22:20:06,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-16 22:20:06,503 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-16 22:20:06,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:20:06,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-10-16 22:20:06,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:20:08,445 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:20:08,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:20:09,152 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 4 proven. 106 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-16 22:20:09,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974803585] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:20:09,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:20:09,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 41, 16] total 64 [2024-10-16 22:20:09,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530996555] [2024-10-16 22:20:09,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:20:09,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-10-16 22:20:09,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:20:09,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-10-16 22:20:09,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=3899, Unknown=0, NotChecked=0, Total=4160 [2024-10-16 22:20:09,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:09,160 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:20:09,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 1.676923076923077) internal successors, (109), 64 states have internal predecessors, (109), 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) [2024-10-16 22:20:09,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-16 22:20:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-10-16 22:20:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-10-16 22:20:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-16 22:20:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-10-16 22:20:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-10-16 22:20:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-10-16 22:20:16,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-16 22:20:16,464 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 [2024-10-16 22:20:16,465 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 22:20:16,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:20:16,465 INFO L85 PathProgramCache]: Analyzing trace with hash 549771533, now seen corresponding path program 5 times [2024-10-16 22:20:16,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:20:16,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436373503] [2024-10-16 22:20:16,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:20:16,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:20:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:20:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-10-16 22:20:17,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:20:17,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436373503] [2024-10-16 22:20:17,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436373503] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:20:17,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602927893] [2024-10-16 22:20:17,305 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-16 22:20:17,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:20:17,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:20:17,306 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) [2024-10-16 22:20:17,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-16 22:20:17,388 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-10-16 22:20:17,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:20:17,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-10-16 22:20:17,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:20:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:20:18,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:20:19,289 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-10-16 22:20:19,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602927893] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:20:19,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:20:19,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 41, 14] total 62 [2024-10-16 22:20:19,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754213949] [2024-10-16 22:20:19,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:20:19,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-10-16 22:20:19,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:20:19,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-10-16 22:20:19,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=3646, Unknown=0, NotChecked=0, Total=3906 [2024-10-16 22:20:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:19,302 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:20:19,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 1.5873015873015872) internal successors, (100), 62 states have internal predecessors, (100), 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) [2024-10-16 22:20:19,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-16 22:20:19,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-10-16 22:20:19,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:19,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-10-16 22:20:19,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-10-16 22:20:19,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:25,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-16 22:20:25,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-10-16 22:20:25,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:25,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-10-16 22:20:25,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-10-16 22:20:25,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-10-16 22:20:25,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-16 22:20:26,091 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 [2024-10-16 22:20:26,092 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 22:20:26,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:20:26,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1294658581, now seen corresponding path program 6 times [2024-10-16 22:20:26,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:20:26,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169626813] [2024-10-16 22:20:26,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:20:26,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:20:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:20:27,272 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-10-16 22:20:27,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:20:27,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169626813] [2024-10-16 22:20:27,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169626813] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:20:27,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988795531] [2024-10-16 22:20:27,273 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-16 22:20:27,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:20:27,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:20:27,278 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) [2024-10-16 22:20:27,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-16 22:20:27,361 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-10-16 22:20:27,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:20:27,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-10-16 22:20:27,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:20:29,207 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:20:29,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:20:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 1 proven. 102 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-10-16 22:20:29,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988795531] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:20:29,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:20:29,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 47, 15] total 69 [2024-10-16 22:20:29,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130199293] [2024-10-16 22:20:29,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:20:29,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-10-16 22:20:29,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:20:29,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-10-16 22:20:29,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=4551, Unknown=0, NotChecked=0, Total=4830 [2024-10-16 22:20:29,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:29,664 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:20:29,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.6714285714285715) internal successors, (117), 69 states have internal predecessors, (117), 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) [2024-10-16 22:20:29,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-16 22:20:29,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-10-16 22:20:29,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:29,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-10-16 22:20:29,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-10-16 22:20:29,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-10-16 22:20:29,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-16 22:20:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-10-16 22:20:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-10-16 22:20:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-10-16 22:20:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-10-16 22:20:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-10-16 22:20:35,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-16 22:20:36,113 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 [2024-10-16 22:20:36,113 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 22:20:36,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:20:36,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1582485497, now seen corresponding path program 7 times [2024-10-16 22:20:36,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:20:36,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144670914] [2024-10-16 22:20:36,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:20:36,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:20:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:20:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 53 proven. 106 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-10-16 22:20:36,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:20:36,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144670914] [2024-10-16 22:20:36,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144670914] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:20:36,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227027684] [2024-10-16 22:20:36,419 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-16 22:20:36,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:20:36,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:20:36,421 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) [2024-10-16 22:20:36,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-16 22:20:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:20:36,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-16 22:20:36,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:20:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 53 proven. 106 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-10-16 22:20:36,601 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:20:36,772 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 53 proven. 106 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-10-16 22:20:36,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227027684] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:20:36,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:20:36,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-10-16 22:20:36,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867765127] [2024-10-16 22:20:36,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:20:36,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 22:20:36,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:20:36,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 22:20:36,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-16 22:20:36,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:36,774 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:20:36,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 22:20:36,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-16 22:20:36,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-10-16 22:20:36,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:36,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-10-16 22:20:36,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-10-16 22:20:36,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-10-16 22:20:36,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-10-16 22:20:36,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:36,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-16 22:20:36,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-10-16 22:20:36,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:36,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-10-16 22:20:36,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-10-16 22:20:36,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-10-16 22:20:36,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-10-16 22:20:36,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:20:36,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-16 22:20:37,132 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 [2024-10-16 22:20:37,135 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 22:20:37,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:20:37,135 INFO L85 PathProgramCache]: Analyzing trace with hash -884091158, now seen corresponding path program 8 times [2024-10-16 22:20:37,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:20:37,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82640618] [2024-10-16 22:20:37,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:20:37,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:20:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:20:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 239 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-10-16 22:20:38,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:20:38,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82640618] [2024-10-16 22:20:38,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82640618] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:20:38,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528697168] [2024-10-16 22:20:38,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 22:20:38,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:20:38,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:20:38,120 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) [2024-10-16 22:20:38,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-16 22:20:38,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 22:20:38,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:20:38,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-10-16 22:20:38,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:20:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:20:41,073 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:20:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 6 proven. 176 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-16 22:20:41,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528697168] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:20:41,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:20:41,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 58, 16] total 81 [2024-10-16 22:20:41,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922748200] [2024-10-16 22:20:41,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:20:41,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-10-16 22:20:41,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:20:41,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-10-16 22:20:41,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=6319, Unknown=0, NotChecked=0, Total=6642 [2024-10-16 22:20:41,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:41,652 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:20:41,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 1.7073170731707317) internal successors, (140), 81 states have internal predecessors, (140), 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) [2024-10-16 22:20:41,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-10-16 22:20:41,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-10-16 22:20:41,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:41,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-10-16 22:20:41,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-10-16 22:20:41,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-10-16 22:20:41,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-10-16 22:20:41,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:20:41,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:50,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-16 22:20:50,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-10-16 22:20:50,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:50,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-10-16 22:20:50,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-10-16 22:20:50,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-10-16 22:20:50,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-10-16 22:20:50,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:20:50,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-10-16 22:20:51,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-16 22:20:51,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:20:51,188 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 22:20:51,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:20:51,189 INFO L85 PathProgramCache]: Analyzing trace with hash -353144721, now seen corresponding path program 2 times [2024-10-16 22:20:51,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:20:51,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36768099] [2024-10-16 22:20:51,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:20:51,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:20:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:20:51,410 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-16 22:20:51,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:20:51,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36768099] [2024-10-16 22:20:51,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36768099] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 22:20:51,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449441693] [2024-10-16 22:20:51,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 22:20:51,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 22:20:51,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 22:20:51,413 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) [2024-10-16 22:20:51,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-16 22:20:51,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 22:20:51,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 22:20:51,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-16 22:20:51,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 22:20:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:20:51,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 22:20:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:20:52,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449441693] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 22:20:52,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 22:20:52,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 39 [2024-10-16 22:20:52,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564083961] [2024-10-16 22:20:52,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 22:20:52,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-10-16 22:20:52,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:20:52,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-10-16 22:20:52,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1368, Unknown=0, NotChecked=0, Total=1560 [2024-10-16 22:20:52,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:52,277 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:20:52,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.675) internal successors, (67), 39 states have internal predecessors, (67), 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) [2024-10-16 22:20:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-10-16 22:20:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-10-16 22:20:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-10-16 22:20:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-10-16 22:20:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-10-16 22:20:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-10-16 22:20:52,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:20:52,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-10-16 22:20:52,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-16 22:20:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-10-16 22:20:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-10-16 22:20:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-10-16 22:20:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-10-16 22:20:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-10-16 22:20:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:20:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-10-16 22:20:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-10-16 22:20:54,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-16 22:20:54,650 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,SelfDestructingSolverStorable9 [2024-10-16 22:20:54,651 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-16 22:20:54,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 22:20:54,652 INFO L85 PathProgramCache]: Analyzing trace with hash -231718563, now seen corresponding path program 1 times [2024-10-16 22:20:54,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 22:20:54,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095942949] [2024-10-16 22:20:54,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 22:20:54,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 22:20:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 22:20:54,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 22:20:54,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 22:20:54,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095942949] [2024-10-16 22:20:54,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095942949] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 22:20:54,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 22:20:54,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-16 22:20:54,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399616821] [2024-10-16 22:20:54,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 22:20:54,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-16 22:20:54,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 22:20:54,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-16 22:20:54,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-16 22:20:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:54,830 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 22:20:54,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-10-16 22:20:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-10-16 22:20:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-10-16 22:20:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-10-16 22:20:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-10-16 22:20:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-10-16 22:20:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-10-16 22:20:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:20:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-10-16 22:20:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-10-16 22:20:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 22:20:58,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-16 22:20:58,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-10-16 22:20:58,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 22:20:58,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-10-16 22:20:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-10-16 22:20:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-10-16 22:20:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-10-16 22:20:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 22:20:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-10-16 22:20:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-10-16 22:20:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 22:20:58,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-16 22:20:58,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-10-16 22:20:58,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-10-16 22:20:58,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-16 22:20:58,191 INFO L414 BasicCegarLoop]: Path program histogram: [8, 2, 1] [2024-10-16 22:20:58,200 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-16 22:20:58,204 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-16 22:20:58,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:20:58 BasicIcfg [2024-10-16 22:20:58,209 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-16 22:20:58,209 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-16 22:20:58,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-16 22:20:58,212 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-16 22:20:58,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:19:45" (3/4) ... [2024-10-16 22:20:58,215 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-16 22:20:58,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-16 22:20:58,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-16 22:20:58,253 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2024-10-16 22:20:58,258 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-16 22:20:58,258 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-16 22:20:58,258 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-16 22:20:58,361 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-16 22:20:58,361 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-16 22:20:58,361 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-16 22:20:58,362 INFO L158 Benchmark]: Toolchain (without parser) took 73788.19ms. Allocated memory was 134.2MB in the beginning and 645.9MB in the end (delta: 511.7MB). Free memory was 63.3MB in the beginning and 443.4MB in the end (delta: -380.1MB). Peak memory consumption was 134.8MB. Max. memory is 16.1GB. [2024-10-16 22:20:58,363 INFO L158 Benchmark]: CDTParser took 3.39ms. Allocated memory is still 134.2MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 22:20:58,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.12ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 63.0MB in the beginning and 146.9MB in the end (delta: -83.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-10-16 22:20:58,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.89ms. Allocated memory is still 176.2MB. Free memory was 146.9MB in the beginning and 145.9MB in the end (delta: 980.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 22:20:58,364 INFO L158 Benchmark]: Boogie Preprocessor took 35.63ms. Allocated memory is still 176.2MB. Free memory was 145.9MB in the beginning and 144.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 22:20:58,364 INFO L158 Benchmark]: RCFGBuilder took 811.41ms. Allocated memory is still 176.2MB. Free memory was 143.8MB in the beginning and 119.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-16 22:20:58,364 INFO L158 Benchmark]: TraceAbstraction took 72282.73ms. Allocated memory was 176.2MB in the beginning and 645.9MB in the end (delta: 469.8MB). Free memory was 118.7MB in the beginning and 447.6MB in the end (delta: -328.9MB). Peak memory consumption was 141.9MB. Max. memory is 16.1GB. [2024-10-16 22:20:58,365 INFO L158 Benchmark]: Witness Printer took 152.37ms. Allocated memory is still 645.9MB. Free memory was 447.6MB in the beginning and 443.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-16 22:20:58,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.39ms. Allocated memory is still 134.2MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.12ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 63.0MB in the beginning and 146.9MB in the end (delta: -83.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.89ms. Allocated memory is still 176.2MB. Free memory was 146.9MB in the beginning and 145.9MB in the end (delta: 980.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.63ms. Allocated memory is still 176.2MB. Free memory was 145.9MB in the beginning and 144.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 811.41ms. Allocated memory is still 176.2MB. Free memory was 143.8MB in the beginning and 119.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 72282.73ms. Allocated memory was 176.2MB in the beginning and 645.9MB in the end (delta: 469.8MB). Free memory was 118.7MB in the beginning and 447.6MB in the end (delta: -328.9MB). Peak memory consumption was 141.9MB. Max. memory is 16.1GB. * Witness Printer took 152.37ms. Allocated memory is still 645.9MB. Free memory was 447.6MB in the beginning and 443.4MB in the end (delta: 4.2MB). 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: 4783, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 1384, dependent conditional: 1381, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4003, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 604, dependent conditional: 598, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4003, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 604, dependent conditional: 448, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4003, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 604, dependent conditional: 448, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, independent: 182, independent conditional: 12, independent unconditional: 170, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 689, independent: 216, independent conditional: 90, independent unconditional: 127, dependent: 473, dependent conditional: 179, dependent unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4003, independent: 3217, independent conditional: 32, independent unconditional: 3185, dependent: 583, dependent conditional: 430, dependent unconditional: 153, unknown: 203, unknown conditional: 30, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 182, Positive conditional cache size: 12, Positive unconditional cache size: 170, Negative cache size: 21, Negative conditional cache size: 18, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3297, Maximal queried relation: 10, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4003, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 604, dependent conditional: 598, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4003, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 604, dependent conditional: 448, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4003, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 604, dependent conditional: 448, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, independent: 182, independent conditional: 12, independent unconditional: 170, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 689, independent: 216, independent conditional: 90, independent unconditional: 127, dependent: 473, dependent conditional: 179, dependent unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4003, independent: 3217, independent conditional: 32, independent unconditional: 3185, dependent: 583, dependent conditional: 430, dependent unconditional: 153, unknown: 203, unknown conditional: 30, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 182, Positive conditional cache size: 12, Positive unconditional cache size: 170, Negative cache size: 21, Negative conditional cache size: 18, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3297 ], Independence queries for same thread: 1328, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 65, Number of trivial persistent sets: 51, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 211, independent: 208, independent conditional: 0, independent unconditional: 208, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4783, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 1384, dependent conditional: 1381, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3455, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4003, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 604, dependent conditional: 598, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4003, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 604, dependent conditional: 448, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4003, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 604, dependent conditional: 448, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, independent: 182, independent conditional: 12, independent unconditional: 170, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 689, independent: 216, independent conditional: 90, independent unconditional: 127, dependent: 473, dependent conditional: 179, dependent unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4003, independent: 3217, independent conditional: 32, independent unconditional: 3185, dependent: 583, dependent conditional: 430, dependent unconditional: 153, unknown: 203, unknown conditional: 30, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 182, Positive conditional cache size: 12, Positive unconditional cache size: 170, Negative cache size: 21, Negative conditional cache size: 18, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3297, Maximal queried relation: 10, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4003, independent: 3399, independent conditional: 3191, independent unconditional: 208, dependent: 604, dependent conditional: 598, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4003, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 604, dependent conditional: 448, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4003, independent: 3399, independent conditional: 44, independent unconditional: 3355, dependent: 604, dependent conditional: 448, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, independent: 182, independent conditional: 12, independent unconditional: 170, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, independent: 168, independent conditional: 0, independent unconditional: 168, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 689, independent: 216, independent conditional: 90, independent unconditional: 127, dependent: 473, dependent conditional: 179, dependent unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4003, independent: 3217, independent conditional: 32, independent unconditional: 3185, dependent: 583, dependent conditional: 430, dependent unconditional: 153, unknown: 203, unknown conditional: 30, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 182, Positive conditional cache size: 12, Positive unconditional cache size: 170, Negative cache size: 21, Negative conditional cache size: 18, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3297 ], Independence queries for same thread: 1328 - PositiveResult [Line: 76]: 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, 33 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 72.0s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 45.8s, 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: 857, 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, 0.5s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 1013 NumberOfCodeBlocks, 1013 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 1467 ConstructedInterpolants, 0 QuantifiedInterpolants, 10995 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1467 ConjunctsInSsa, 485 ConjunctsInUnsatCore, 29 InterpolantComputations, 2 PerfectInterpolantSequences, 2239/5134 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! [2024-10-16 22:20:58,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-10-16 22:20:58,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE