./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-node-subst.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity GENERATOR_WITH_CONTEXT -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-node-subst.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 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity GENERATOR_WITH_CONTEXT -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 [2024-10-17 04:58:50,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 04:58:50,762 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 04:58:50,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 04:58:50,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 04:58:50,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 04:58:50,804 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 04:58:50,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 04:58:50,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 04:58:50,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 04:58:50,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 04:58:50,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 04:58:50,808 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 04:58:50,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 04:58:50,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 04:58:50,811 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 04:58:50,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 04:58:50,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 04:58:50,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 04:58:50,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 04:58:50,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 04:58:50,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 04:58:50,822 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 04:58:50,823 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 04:58:50,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 04:58:50,823 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 04:58:50,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 04:58:50,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 04:58:50,824 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 04:58:50,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 04:58:50,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 04:58:50,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 04:58:50,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 04:58:50,825 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 04:58:50,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 04:58:50,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 04:58:50,826 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 04:58:50,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 04:58:50,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 04:58:50,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 04:58:50,827 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 04:58:50,828 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 -> 3b43103ca9a91605874c4d895f03c4116805b9b245b91cffe9bd63255503e5a0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> GENERATOR_WITH_CONTEXT [2024-10-17 04:58:51,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 04:58:51,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 04:58:51,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 04:58:51,095 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 04:58:51,096 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 04:58:51,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-node-subst.wvr.c [2024-10-17 04:58:52,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 04:58:52,805 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 04:58:52,806 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-subst.wvr.c [2024-10-17 04:58:52,817 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6c7d9ad5a/fc6e0f4edf63426282fae9e458d7d31d/FLAGdedc0c707 [2024-10-17 04:58:52,827 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6c7d9ad5a/fc6e0f4edf63426282fae9e458d7d31d [2024-10-17 04:58:52,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 04:58:52,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 04:58:52,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 04:58:52,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 04:58:52,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 04:58:52,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:52" (1/1) ... [2024-10-17 04:58:52,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf489eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:52, skipping insertion in model container [2024-10-17 04:58:52,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:52" (1/1) ... [2024-10-17 04:58:52,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 04:58:53,092 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-subst.wvr.c[4035,4048] [2024-10-17 04:58:53,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 04:58:53,126 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 04:58:53,155 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-subst.wvr.c[4035,4048] [2024-10-17 04:58:53,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 04:58:53,178 INFO L204 MainTranslator]: Completed translation [2024-10-17 04:58:53,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:53 WrapperNode [2024-10-17 04:58:53,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 04:58:53,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 04:58:53,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 04:58:53,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 04:58:53,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:53" (1/1) ... [2024-10-17 04:58:53,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:53" (1/1) ... [2024-10-17 04:58:53,235 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 22, calls inlined = 34, statements flattened = 424 [2024-10-17 04:58:53,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 04:58:53,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 04:58:53,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 04:58:53,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 04:58:53,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:53" (1/1) ... [2024-10-17 04:58:53,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:53" (1/1) ... [2024-10-17 04:58:53,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:53" (1/1) ... [2024-10-17 04:58:53,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:53" (1/1) ... [2024-10-17 04:58:53,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:53" (1/1) ... [2024-10-17 04:58:53,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:53" (1/1) ... [2024-10-17 04:58:53,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:53" (1/1) ... [2024-10-17 04:58:53,276 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:53" (1/1) ... [2024-10-17 04:58:53,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 04:58:53,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 04:58:53,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 04:58:53,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 04:58:53,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:53" (1/1) ... [2024-10-17 04:58:53,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 04:58:53,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 04:58:53,321 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) [2024-10-17 04:58:53,323 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 [2024-10-17 04:58:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 04:58:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-17 04:58:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-17 04:58:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-17 04:58:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-17 04:58:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-17 04:58:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-17 04:58:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-17 04:58:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-17 04:58:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 04:58:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-17 04:58:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 04:58:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 04:58:53,363 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 04:58:53,480 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 04:58:53,483 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 04:58:54,073 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 04:58:54,073 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 04:58:54,643 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 04:58:54,643 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-17 04:58:54,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:54 BoogieIcfgContainer [2024-10-17 04:58:54,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 04:58:54,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 04:58:54,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 04:58:54,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 04:58:54,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 04:58:52" (1/3) ... [2024-10-17 04:58:54,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507febb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 04:58:54, skipping insertion in model container [2024-10-17 04:58:54,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:53" (2/3) ... [2024-10-17 04:58:54,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507febb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 04:58:54, skipping insertion in model container [2024-10-17 04:58:54,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:54" (3/3) ... [2024-10-17 04:58:54,654 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-subst.wvr.c [2024-10-17 04:58:54,672 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 04:58:54,672 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 04:58:54,673 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 04:58:54,749 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-17 04:58:54,797 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 04:58:54,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 04:58:54,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 04:58:54,800 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) [2024-10-17 04:58:54,802 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 [2024-10-17 04:58:54,917 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 04:58:54,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:58:54,938 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 04:58:54,945 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;@34d290c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR_WITH_CONTEXT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 04:58:54,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-17 04:58:57,066 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 04:58:57,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:58:57,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1471823292, now seen corresponding path program 1 times [2024-10-17 04:58:57,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 04:58:57,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685056389] [2024-10-17 04:58:57,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:58:57,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:58:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 04:58:57,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 04:58:57,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 04:58:57,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685056389] [2024-10-17 04:58:57,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685056389] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 04:58:57,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 04:58:57,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 04:58:57,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136516576] [2024-10-17 04:58:57,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 04:58:57,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 04:58:57,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 04:58:57,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 04:58:57,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 04:58:57,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:58:57,673 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 04:58:57,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-10-17 04:58:57,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:58:57,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 04:58:57,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 04:58:57,746 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 04:58:57,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:58:57,748 INFO L85 PathProgramCache]: Analyzing trace with hash 724948955, now seen corresponding path program 1 times [2024-10-17 04:58:57,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 04:58:57,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905967946] [2024-10-17 04:58:57,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:58:57,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:58:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 04:58:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 04:58:57,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 04:58:57,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905967946] [2024-10-17 04:58:57,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905967946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 04:58:57,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 04:58:57,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 04:58:57,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592510767] [2024-10-17 04:58:57,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 04:58:57,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 04:58:57,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 04:58:57,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 04:58:57,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 04:58:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:58:57,993 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 04:58:57,993 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) [2024-10-17 04:58:57,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 04:58:57,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:58:58,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 04:58:58,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-17 04:58:58,083 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 04:58:58,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:58:58,084 INFO L85 PathProgramCache]: Analyzing trace with hash 897954668, now seen corresponding path program 1 times [2024-10-17 04:58:58,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 04:58:58,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965289166] [2024-10-17 04:58:58,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:58:58,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:58:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 04:58:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 04:58:58,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 04:58:58,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965289166] [2024-10-17 04:58:58,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965289166] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 04:58:58,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 04:58:58,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 04:58:58,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124530695] [2024-10-17 04:58:58,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 04:58:58,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 04:58:58,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 04:58:58,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 04:58:58,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 04:58:58,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:58:58,286 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 04:58:58,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 04:58:58,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 04:58:58,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:58:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 04:58:58,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-17 04:58:58,364 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 04:58:58,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:58:58,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1266507127, now seen corresponding path program 1 times [2024-10-17 04:58:58,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 04:58:58,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116553291] [2024-10-17 04:58:58,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:58:58,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:58:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 04:58:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 04:58:58,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 04:58:58,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116553291] [2024-10-17 04:58:58,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116553291] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 04:58:58,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 04:58:58,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 04:58:58,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170348551] [2024-10-17 04:58:58,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 04:58:58,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 04:58:58,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 04:58:58,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 04:58:58,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 04:58:58,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:58:58,550 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 04:58:58,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 04:58:58,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 04:58:58,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:58:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 04:58:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-17 04:58:58,619 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 04:58:58,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:58:58,620 INFO L85 PathProgramCache]: Analyzing trace with hash -873534492, now seen corresponding path program 1 times [2024-10-17 04:58:58,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 04:58:58,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490539336] [2024-10-17 04:58:58,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:58:58,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:58:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 04:58:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-17 04:58:58,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 04:58:58,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490539336] [2024-10-17 04:58:58,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490539336] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 04:58:58,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 04:58:58,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 04:58:58,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339447617] [2024-10-17 04:58:58,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 04:58:58,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 04:58:58,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 04:58:58,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 04:58:58,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 04:58:58,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:58:58,781 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 04:58:58,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-10-17 04:58:58,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 04:58:58,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:58:58,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 04:58:58,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:58,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-17 04:58:58,856 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 04:58:58,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:58:58,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1690123761, now seen corresponding path program 1 times [2024-10-17 04:58:58,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 04:58:58,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267811893] [2024-10-17 04:58:58,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:58:58,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:58:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 04:58:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-17 04:58:59,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 04:58:59,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267811893] [2024-10-17 04:58:59,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267811893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 04:58:59,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 04:58:59,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-17 04:58:59,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580121109] [2024-10-17 04:58:59,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 04:58:59,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 04:58:59,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 04:58:59,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 04:58:59,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 04:58:59,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:58:59,058 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 04:58:59,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-10-17 04:58:59,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 04:58:59,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:59,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:59,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:59,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:59,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:58:59,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 04:58:59,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:59,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:59,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:59,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:59,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:58:59,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-17 04:58:59,126 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 04:58:59,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:58:59,126 INFO L85 PathProgramCache]: Analyzing trace with hash -391811804, now seen corresponding path program 1 times [2024-10-17 04:58:59,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 04:58:59,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187504019] [2024-10-17 04:58:59,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:58:59,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:58:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 04:59:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 04:59:03,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 04:59:03,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187504019] [2024-10-17 04:59:03,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187504019] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 04:59:03,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 04:59:03,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-17 04:59:03,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667261983] [2024-10-17 04:59:03,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 04:59:03,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 04:59:03,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 04:59:03,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 04:59:03,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-17 04:59:03,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:59:03,438 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 04:59:03,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-10-17 04:59:03,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 04:59:03,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:59:03,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:59:03,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:59:03,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:59:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:59:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:59:05,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 04:59:05,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:59:05,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:59:05,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:59:05,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:59:05,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 04:59:05,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:59:05,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-17 04:59:05,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-17 04:59:05,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-17 04:59:05,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-17 04:59:05,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-17 04:59:05,120 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-17 04:59:05,125 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-17 04:59:05,126 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-17 04:59:05,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 04:59:05 BasicIcfg [2024-10-17 04:59:05,131 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-17 04:59:05,132 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-17 04:59:05,132 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-17 04:59:05,132 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-17 04:59:05,133 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:54" (3/4) ... [2024-10-17 04:59:05,134 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-17 04:59:05,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-17 04:59:05,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-17 04:59:05,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-17 04:59:05,152 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 330 nodes and edges [2024-10-17 04:59:05,153 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2024-10-17 04:59:05,155 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-10-17 04:59:05,156 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-17 04:59:05,288 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-17 04:59:05,289 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-17 04:59:05,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-17 04:59:05,289 INFO L158 Benchmark]: Toolchain (without parser) took 12458.87ms. Allocated memory was 167.8MB in the beginning and 539.0MB in the end (delta: 371.2MB). Free memory was 111.9MB in the beginning and 287.5MB in the end (delta: -175.6MB). Peak memory consumption was 199.9MB. Max. memory is 16.1GB. [2024-10-17 04:59:05,290 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 04:59:05,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.09ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 95.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-17 04:59:05,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.46ms. Allocated memory is still 167.8MB. Free memory was 95.9MB in the beginning and 92.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-17 04:59:05,290 INFO L158 Benchmark]: Boogie Preprocessor took 47.38ms. Allocated memory is still 167.8MB. Free memory was 92.3MB in the beginning and 89.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-17 04:59:05,291 INFO L158 Benchmark]: RCFGBuilder took 1360.21ms. Allocated memory was 167.8MB in the beginning and 245.4MB in the end (delta: 77.6MB). Free memory was 89.7MB in the beginning and 187.7MB in the end (delta: -98.0MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2024-10-17 04:59:05,291 INFO L158 Benchmark]: TraceAbstraction took 10485.04ms. Allocated memory was 245.4MB in the beginning and 539.0MB in the end (delta: 293.6MB). Free memory was 186.6MB in the beginning and 297.0MB in the end (delta: -110.4MB). Peak memory consumption was 297.5MB. Max. memory is 16.1GB. [2024-10-17 04:59:05,291 INFO L158 Benchmark]: Witness Printer took 156.76ms. Allocated memory is still 539.0MB. Free memory was 297.0MB in the beginning and 287.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-17 04:59:05,293 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.09ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 95.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.46ms. Allocated memory is still 167.8MB. Free memory was 95.9MB in the beginning and 92.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.38ms. Allocated memory is still 167.8MB. Free memory was 92.3MB in the beginning and 89.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1360.21ms. Allocated memory was 167.8MB in the beginning and 245.4MB in the end (delta: 77.6MB). Free memory was 89.7MB in the beginning and 187.7MB in the end (delta: -98.0MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10485.04ms. Allocated memory was 245.4MB in the beginning and 539.0MB in the end (delta: 293.6MB). Free memory was 186.6MB in the beginning and 297.0MB in the end (delta: -110.4MB). Peak memory consumption was 297.5MB. Max. memory is 16.1GB. * Witness Printer took 156.76ms. Allocated memory is still 539.0MB. Free memory was 297.0MB in the beginning and 287.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. 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: 206, independent: 154, independent conditional: 44, independent unconditional: 110, dependent: 52, dependent conditional: 48, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 158, independent: 154, independent conditional: 44, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, independent: 154, independent conditional: 44, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 158, independent: 154, independent conditional: 44, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 44, independent unconditional: 110, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 162, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3514, independent: 1929, independent conditional: 0, independent unconditional: 1929, dependent: 1585, dependent conditional: 0, dependent unconditional: 1585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 162, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 114, unknown conditional: 0, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 114, Positive cache size: 110, Positive conditional cache size: 0, Positive unconditional cache size: 110, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 44, independent unconditional: 110, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 162, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3514, independent: 1929, independent conditional: 0, independent unconditional: 1929, dependent: 1585, dependent conditional: 0, dependent unconditional: 1585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 162, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 114, unknown conditional: 0, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 114, Positive cache size: 110, Positive conditional cache size: 0, Positive unconditional cache size: 110, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44 ], Independence queries for same thread: 48, Persistent sets #1 benchmarks: Persistent set computation time: 3.5s, Number of persistent set computation: 30, Number of trivial persistent sets: 26, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 114, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 206, independent: 154, independent conditional: 44, independent unconditional: 110, dependent: 52, dependent conditional: 48, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 158, independent: 154, independent conditional: 44, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 158, independent: 154, independent conditional: 44, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 158, independent: 154, independent conditional: 44, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 44, independent unconditional: 110, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 162, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3514, independent: 1929, independent conditional: 0, independent unconditional: 1929, dependent: 1585, dependent conditional: 0, dependent unconditional: 1585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 162, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 114, unknown conditional: 0, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 114, Positive cache size: 110, Positive conditional cache size: 0, Positive unconditional cache size: 110, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 44, independent unconditional: 110, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 162, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 162, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3514, independent: 1929, independent conditional: 0, independent unconditional: 1929, dependent: 1585, dependent conditional: 0, dependent unconditional: 1585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 162, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 114, unknown conditional: 0, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 114, Positive cache size: 110, Positive conditional cache size: 0, Positive unconditional cache size: 110, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44 ], Independence queries for same thread: 48 - PositiveResult [Line: 109]: 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 7 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.2s, 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: 29, 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: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 161 ConstructedInterpolants, 0 QuantifiedInterpolants, 778 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 21/21 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! [2024-10-17 04:59:05,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-17 04:59:05,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE