./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i -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 7912270168edfe57ed71790473a28594e3bc48002f5ead86961705c042bbf781 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-17 11:11:27,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 11:11:27,655 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 11:11:27,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 11:11:27,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 11:11:27,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 11:11:27,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 11:11:27,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 11:11:27,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 11:11:27,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 11:11:27,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 11:11:27,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 11:11:27,699 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 11:11:27,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 11:11:27,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 11:11:27,701 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 11:11:27,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 11:11:27,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 11:11:27,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 11:11:27,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 11:11:27,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 11:11:27,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 11:11:27,706 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 11:11:27,706 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 11:11:27,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 11:11:27,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 11:11:27,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 11:11:27,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 11:11:27,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 11:11:27,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 11:11:27,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 11:11:27,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 11:11:27,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 11:11:27,708 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 11:11:27,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 11:11:27,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 11:11:27,709 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 11:11:27,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 11:11:27,711 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 11:11:27,711 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 11:11:27,712 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 11:11:27,712 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7912270168edfe57ed71790473a28594e3bc48002f5ead86961705c042bbf781 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-10-17 11:11:27,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 11:11:27,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 11:11:28,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 11:11:28,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 11:11:28,003 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 11:11:28,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-17 11:11:29,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 11:11:29,718 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 11:11:29,720 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-17 11:11:29,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f71a766e9/d9b5ff6650f24175bcd8241e0c3ab850/FLAG6a8a21352 [2024-10-17 11:11:29,754 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f71a766e9/d9b5ff6650f24175bcd8241e0c3ab850 [2024-10-17 11:11:29,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 11:11:29,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 11:11:29,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 11:11:29,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 11:11:29,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 11:11:29,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:11:29" (1/1) ... [2024-10-17 11:11:29,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb0924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:29, skipping insertion in model container [2024-10-17 11:11:29,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:11:29" (1/1) ... [2024-10-17 11:11:29,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 11:11:29,999 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-17 11:11:30,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 11:11:30,162 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 11:11:30,176 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-17 11:11:30,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 11:11:30,279 INFO L204 MainTranslator]: Completed translation [2024-10-17 11:11:30,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:30 WrapperNode [2024-10-17 11:11:30,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 11:11:30,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 11:11:30,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 11:11:30,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 11:11:30,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:30" (1/1) ... [2024-10-17 11:11:30,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:30" (1/1) ... [2024-10-17 11:11:30,330 INFO L138 Inliner]: procedures = 176, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-10-17 11:11:30,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 11:11:30,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 11:11:30,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 11:11:30,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 11:11:30,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:30" (1/1) ... [2024-10-17 11:11:30,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:30" (1/1) ... [2024-10-17 11:11:30,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:30" (1/1) ... [2024-10-17 11:11:30,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:30" (1/1) ... [2024-10-17 11:11:30,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:30" (1/1) ... [2024-10-17 11:11:30,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:30" (1/1) ... [2024-10-17 11:11:30,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:30" (1/1) ... [2024-10-17 11:11:30,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:30" (1/1) ... [2024-10-17 11:11:30,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 11:11:30,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 11:11:30,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 11:11:30,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 11:11:30,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:30" (1/1) ... [2024-10-17 11:11:30,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 11:11:30,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 11:11:30,410 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 11:11:30,414 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 11:11:30,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 11:11:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 11:11:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-17 11:11:30,460 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-17 11:11:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-17 11:11:30,461 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-17 11:11:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-17 11:11:30,461 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-17 11:11:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-17 11:11:30,461 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-17 11:11:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 11:11:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 11:11:30,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 11:11:30,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 11:11:30,465 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 11:11:30,596 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 11:11:30,598 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 11:11:30,760 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 11:11:30,760 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 11:11:30,846 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 11:11:30,849 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-17 11:11:30,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:11:30 BoogieIcfgContainer [2024-10-17 11:11:30,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 11:11:30,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 11:11:30,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 11:11:30,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 11:11:30,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 11:11:29" (1/3) ... [2024-10-17 11:11:30,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68328330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:11:30, skipping insertion in model container [2024-10-17 11:11:30,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:11:30" (2/3) ... [2024-10-17 11:11:30,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68328330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:11:30, skipping insertion in model container [2024-10-17 11:11:30,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:11:30" (3/3) ... [2024-10-17 11:11:30,858 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-17 11:11:30,871 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 11:11:30,871 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 11:11:30,872 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 11:11:30,913 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-17 11:11:30,952 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 11:11:30,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 11:11:30,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 11:11:30,955 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 11:11:30,956 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 11:11:31,040 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 11:11:31,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 11:11:31,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 11:11:31,070 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;@67fcd040, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 11:11:31,070 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-17 11:11:32,048 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 2 more)] === [2024-10-17 11:11:32,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 11:11:32,051 INFO L85 PathProgramCache]: Analyzing trace with hash 379898618, now seen corresponding path program 1 times [2024-10-17 11:11:32,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 11:11:32,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120232442] [2024-10-17 11:11:32,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:32,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 11:11:32,656 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 11:11:32,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 11:11:32,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120232442] [2024-10-17 11:11:32,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120232442] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 11:11:32,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 11:11:32,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 11:11:32,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737619376] [2024-10-17 11:11:32,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 11:11:32,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 11:11:32,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 11:11:32,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 11:11:32,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-17 11:11:32,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 11:11:32,693 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 11:11:32,694 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) [2024-10-17 11:11:32,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 11:11:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 11:11:33,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 11:11:33,066 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 2 more)] === [2024-10-17 11:11:33,396 INFO L85 PathProgramCache]: Analyzing trace with hash 921065081, now seen corresponding path program 1 times [2024-10-17 11:11:33,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:33,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 11:11:33,548 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 11:11:33,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:33,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 11:11:33,670 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 11:11:33,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 11:11:33,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 11:11:33,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-17 11:11:33,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 11:11:33,674 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 11:11:33,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 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 11:11:33,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 11:11:33,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 11:11:33,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 11:11:33,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:33,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-17 11:11:33,871 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 2 more)] === [2024-10-17 11:11:33,955 INFO L85 PathProgramCache]: Analyzing trace with hash 947682959, now seen corresponding path program 1 times [2024-10-17 11:11:33,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:33,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:33,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 11:11:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:34,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 11:11:34,008 INFO L85 PathProgramCache]: Analyzing trace with hash -571934244, now seen corresponding path program 1 times [2024-10-17 11:11:34,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 11:11:34,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341079151] [2024-10-17 11:11:34,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:34,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 11:11:34,198 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 11:11:34,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 11:11:34,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341079151] [2024-10-17 11:11:34,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341079151] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 11:11:34,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 11:11:34,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-17 11:11:34,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840369129] [2024-10-17 11:11:34,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 11:11:34,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 11:11:34,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 11:11:34,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 11:11:34,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-17 11:11:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 11:11:34,202 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 11:11:34,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 11:11:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 11:11:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 11:11:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 11:11:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:35,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:35,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3 [2024-10-17 11:11:35,517 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 2 more)] === [2024-10-17 11:11:35,535 INFO L85 PathProgramCache]: Analyzing trace with hash -2066310223, now seen corresponding path program 1 times [2024-10-17 11:11:35,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:35,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:35,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 11:11:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:35,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1492926315, now seen corresponding path program 1 times [2024-10-17 11:11:35,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:35,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:35,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 11:11:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:35,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 11:11:35,673 INFO L85 PathProgramCache]: Analyzing trace with hash 239924120, now seen corresponding path program 2 times [2024-10-17 11:11:35,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 11:11:35,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464886044] [2024-10-17 11:11:35,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:35,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 11:11:35,840 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 11:11:35,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 11:11:35,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464886044] [2024-10-17 11:11:35,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464886044] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 11:11:35,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 11:11:35,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 11:11:35,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839588122] [2024-10-17 11:11:35,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 11:11:35,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 11:11:35,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 11:11:35,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 11:11:35,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-17 11:11:35,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 11:11:35,845 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 11:11:35,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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 11:11:35,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 11:11:35,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:35,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:35,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 11:11:36,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 11:11:36,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:36,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:36,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 11:11:36,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-10-17 11:11:36,448 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 2 more)] === [2024-10-17 11:11:36,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1213659951, now seen corresponding path program 1 times [2024-10-17 11:11:36,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:36,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:36,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 11:11:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:36,578 INFO L85 PathProgramCache]: Analyzing trace with hash 180472259, now seen corresponding path program 1 times [2024-10-17 11:11:36,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:36,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:36,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 11:11:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:36,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 11:11:36,605 INFO L85 PathProgramCache]: Analyzing trace with hash -536628484, now seen corresponding path program 3 times [2024-10-17 11:11:36,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 11:11:36,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067325105] [2024-10-17 11:11:36,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:36,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 11:11:36,730 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 11:11:36,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 11:11:36,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067325105] [2024-10-17 11:11:36,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067325105] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 11:11:36,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 11:11:36,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-17 11:11:36,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047228789] [2024-10-17 11:11:36,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 11:11:36,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 11:11:36,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 11:11:36,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 11:11:36,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-17 11:11:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 11:11:36,734 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 11:11:36,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 11:11:36,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 11:11:36,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:36,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:36,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 11:11:36,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 11:11:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 11:11:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 11:11:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 11:11:37,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-10-17 11:11:37,271 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 2 more)] === [2024-10-17 11:11:37,297 INFO L85 PathProgramCache]: Analyzing trace with hash 663279155, now seen corresponding path program 1 times [2024-10-17 11:11:37,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:37,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:37,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 11:11:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:37,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1390828659, now seen corresponding path program 1 times [2024-10-17 11:11:37,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:37,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:37,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 11:11:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 11:11:37,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 11:11:37,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1522789192, now seen corresponding path program 4 times [2024-10-17 11:11:37,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 11:11:37,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065749731] [2024-10-17 11:11:37,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 11:11:37,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 11:11:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 11:11:37,574 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 11:11:37,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 11:11:37,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065749731] [2024-10-17 11:11:37,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065749731] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 11:11:37,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 11:11:37,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 11:11:37,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304289100] [2024-10-17 11:11:37,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 11:11:37,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 11:11:37,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 11:11:37,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 11:11:37,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-17 11:11:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 11:11:37,579 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 11:11:37,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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 11:11:37,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 11:11:37,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:37,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 11:11:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 11:11:37,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 11:11:38,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 11:11:38,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:38,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 11:11:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 11:11:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 11:11:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 11:11:38,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-10-17 11:11:38,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-10-17 11:11:38,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-10-17 11:11:38,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-10-17 11:11:38,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-10-17 11:11:38,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2024-10-17 11:11:38,410 INFO L414 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-17 11:11:38,416 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-17 11:11:38,417 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-17 11:11:38,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 11:11:38 BasicIcfg [2024-10-17 11:11:38,420 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-17 11:11:38,421 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-17 11:11:38,423 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-17 11:11:38,423 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-17 11:11:38,423 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:11:30" (3/4) ... [2024-10-17 11:11:38,425 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-17 11:11:38,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-17 11:11:38,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-17 11:11:38,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-17 11:11:38,429 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-10-17 11:11:38,433 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2024-10-17 11:11:38,434 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-17 11:11:38,436 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-17 11:11:38,436 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-17 11:11:38,512 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-17 11:11:38,513 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-17 11:11:38,513 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-17 11:11:38,513 INFO L158 Benchmark]: Toolchain (without parser) took 8755.85ms. Allocated memory was 138.4MB in the beginning and 314.6MB in the end (delta: 176.2MB). Free memory was 82.6MB in the beginning and 134.9MB in the end (delta: -52.3MB). Peak memory consumption was 124.6MB. Max. memory is 16.1GB. [2024-10-17 11:11:38,514 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory was 113.9MB in the beginning and 113.8MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 11:11:38,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.15ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 82.3MB in the beginning and 139.2MB in the end (delta: -56.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-10-17 11:11:38,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.95ms. Allocated memory is still 176.2MB. Free memory was 139.2MB in the beginning and 137.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-17 11:11:38,515 INFO L158 Benchmark]: Boogie Preprocessor took 38.47ms. Allocated memory is still 176.2MB. Free memory was 137.2MB in the beginning and 136.3MB in the end (delta: 989.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 11:11:38,515 INFO L158 Benchmark]: RCFGBuilder took 476.96ms. Allocated memory is still 176.2MB. Free memory was 136.1MB in the beginning and 115.3MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-17 11:11:38,515 INFO L158 Benchmark]: TraceAbstraction took 7568.55ms. Allocated memory was 176.2MB in the beginning and 314.6MB in the end (delta: 138.4MB). Free memory was 114.2MB in the beginning and 139.1MB in the end (delta: -24.9MB). Peak memory consumption was 127.1MB. Max. memory is 16.1GB. [2024-10-17 11:11:38,515 INFO L158 Benchmark]: Witness Printer took 91.96ms. Allocated memory is still 314.6MB. Free memory was 139.1MB in the beginning and 134.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-17 11:11:38,517 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory was 113.9MB in the beginning and 113.8MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.15ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 82.3MB in the beginning and 139.2MB in the end (delta: -56.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.95ms. Allocated memory is still 176.2MB. Free memory was 139.2MB in the beginning and 137.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.47ms. Allocated memory is still 176.2MB. Free memory was 137.2MB in the beginning and 136.3MB in the end (delta: 989.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.96ms. Allocated memory is still 176.2MB. Free memory was 136.1MB in the beginning and 115.3MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7568.55ms. Allocated memory was 176.2MB in the beginning and 314.6MB in the end (delta: 138.4MB). Free memory was 114.2MB in the beginning and 139.1MB in the end (delta: -24.9MB). Peak memory consumption was 127.1MB. Max. memory is 16.1GB. * Witness Printer took 91.96ms. Allocated memory is still 314.6MB. Free memory was 139.1MB in the beginning and 134.9MB 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: 115644, independent: 113875, independent conditional: 112855, independent unconditional: 1020, dependent: 1769, dependent conditional: 1743, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 115638, independent: 113875, independent conditional: 112855, independent unconditional: 1020, dependent: 1763, dependent conditional: 1738, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 115638, independent: 113875, independent conditional: 112855, independent unconditional: 1020, dependent: 1763, dependent conditional: 1738, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 115638, independent: 113875, independent conditional: 112855, independent unconditional: 1020, dependent: 1763, dependent conditional: 1738, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 137719, independent: 113875, independent conditional: 112855, independent unconditional: 1020, dependent: 23844, dependent conditional: 23794, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 137719, independent: 113875, independent conditional: 4184, independent unconditional: 109691, dependent: 23844, dependent conditional: 1243, dependent unconditional: 22601, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 137719, independent: 113875, independent conditional: 4184, independent unconditional: 109691, dependent: 23844, dependent conditional: 1243, dependent unconditional: 22601, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1081, independent: 1041, independent conditional: 21, independent unconditional: 1020, dependent: 40, dependent conditional: 15, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1081, independent: 1005, independent conditional: 0, independent unconditional: 1005, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 76, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 40, dependent conditional: 15, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 40, dependent conditional: 15, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2069, independent: 823, independent conditional: 515, independent unconditional: 308, dependent: 1246, dependent conditional: 328, dependent unconditional: 918, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 137719, independent: 112834, independent conditional: 4163, independent unconditional: 108671, dependent: 23804, dependent conditional: 1228, dependent unconditional: 22576, unknown: 1081, unknown conditional: 36, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 1041, Positive conditional cache size: 21, Positive unconditional cache size: 1020, Negative cache size: 40, Negative conditional cache size: 15, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 131222, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 137719, independent: 113875, independent conditional: 112855, independent unconditional: 1020, dependent: 23844, dependent conditional: 23794, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 137719, independent: 113875, independent conditional: 4184, independent unconditional: 109691, dependent: 23844, dependent conditional: 1243, dependent unconditional: 22601, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 137719, independent: 113875, independent conditional: 4184, independent unconditional: 109691, dependent: 23844, dependent conditional: 1243, dependent unconditional: 22601, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1081, independent: 1041, independent conditional: 21, independent unconditional: 1020, dependent: 40, dependent conditional: 15, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1081, independent: 1005, independent conditional: 0, independent unconditional: 1005, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 76, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 40, dependent conditional: 15, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 40, dependent conditional: 15, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2069, independent: 823, independent conditional: 515, independent unconditional: 308, dependent: 1246, dependent conditional: 328, dependent unconditional: 918, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 137719, independent: 112834, independent conditional: 4163, independent unconditional: 108671, dependent: 23804, dependent conditional: 1228, dependent unconditional: 22576, unknown: 1081, unknown conditional: 36, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 1041, Positive conditional cache size: 21, Positive unconditional cache size: 1020, Negative cache size: 40, Negative conditional cache size: 15, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 131222 ], Independence queries for same thread: 6, Persistent sets #1 benchmarks: Persistent set computation time: 1.5s, Number of persistent set computation: 3287, Number of trivial persistent sets: 1705, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1045, independent: 1020, independent conditional: 0, independent unconditional: 1020, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 115644, independent: 113875, independent conditional: 112855, independent unconditional: 1020, dependent: 1769, dependent conditional: 1743, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 115638, independent: 113875, independent conditional: 112855, independent unconditional: 1020, dependent: 1763, dependent conditional: 1738, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 115638, independent: 113875, independent conditional: 112855, independent unconditional: 1020, dependent: 1763, dependent conditional: 1738, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 115638, independent: 113875, independent conditional: 112855, independent unconditional: 1020, dependent: 1763, dependent conditional: 1738, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 137719, independent: 113875, independent conditional: 112855, independent unconditional: 1020, dependent: 23844, dependent conditional: 23794, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 137719, independent: 113875, independent conditional: 4184, independent unconditional: 109691, dependent: 23844, dependent conditional: 1243, dependent unconditional: 22601, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 137719, independent: 113875, independent conditional: 4184, independent unconditional: 109691, dependent: 23844, dependent conditional: 1243, dependent unconditional: 22601, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1081, independent: 1041, independent conditional: 21, independent unconditional: 1020, dependent: 40, dependent conditional: 15, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1081, independent: 1005, independent conditional: 0, independent unconditional: 1005, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 76, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 40, dependent conditional: 15, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 40, dependent conditional: 15, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2069, independent: 823, independent conditional: 515, independent unconditional: 308, dependent: 1246, dependent conditional: 328, dependent unconditional: 918, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 137719, independent: 112834, independent conditional: 4163, independent unconditional: 108671, dependent: 23804, dependent conditional: 1228, dependent unconditional: 22576, unknown: 1081, unknown conditional: 36, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 1041, Positive conditional cache size: 21, Positive unconditional cache size: 1020, Negative cache size: 40, Negative conditional cache size: 15, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 131222, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 137719, independent: 113875, independent conditional: 112855, independent unconditional: 1020, dependent: 23844, dependent conditional: 23794, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 137719, independent: 113875, independent conditional: 4184, independent unconditional: 109691, dependent: 23844, dependent conditional: 1243, dependent unconditional: 22601, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 137719, independent: 113875, independent conditional: 4184, independent unconditional: 109691, dependent: 23844, dependent conditional: 1243, dependent unconditional: 22601, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1081, independent: 1041, independent conditional: 21, independent unconditional: 1020, dependent: 40, dependent conditional: 15, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1081, independent: 1005, independent conditional: 0, independent unconditional: 1005, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 76, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 40, dependent conditional: 15, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 40, dependent conditional: 15, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2069, independent: 823, independent conditional: 515, independent unconditional: 308, dependent: 1246, dependent conditional: 328, dependent unconditional: 918, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 137719, independent: 112834, independent conditional: 4163, independent unconditional: 108671, dependent: 23804, dependent conditional: 1228, dependent unconditional: 22576, unknown: 1081, unknown conditional: 36, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 1081, Positive cache size: 1041, Positive conditional cache size: 21, Positive unconditional cache size: 1020, Negative cache size: 40, Negative conditional cache size: 15, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 131222 ], Independence queries for same thread: 6 - PositiveResult [Line: 18]: 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 9 procedures, 75 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 4.8s, 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: 37, 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, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 1.2s, ConditionalCommutativityCheckTime: 1.2s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 1, ConditionalCommutativityConditionCalculations: 8, ConditionalCommutativityTraceChecks: 8, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-17 11:11:38,547 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 11:11:38,743 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