./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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-C-DAC/pthread-demo-datarace-1.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 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -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 [2024-10-19 03:13:10,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 03:13:10,772 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 03:13:10,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 03:13:10,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 03:13:10,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 03:13:10,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 03:13:10,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 03:13:10,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 03:13:10,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 03:13:10,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 03:13:10,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 03:13:10,811 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 03:13:10,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 03:13:10,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 03:13:10,812 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 03:13:10,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 03:13:10,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 03:13:10,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 03:13:10,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 03:13:10,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 03:13:10,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 03:13:10,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 03:13:10,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 03:13:10,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 03:13:10,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 03:13:10,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 03:13:10,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 03:13:10,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 03:13:10,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 03:13:10,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 03:13:10,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 03:13:10,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 03:13:10,818 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 03:13:10,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 03:13:10,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 03:13:10,818 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 03:13:10,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 03:13:10,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 03:13:10,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 03:13:10,819 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 03:13:10,820 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 -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a 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 -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-19 03:13:11,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 03:13:11,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 03:13:11,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 03:13:11,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 03:13:11,126 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 03:13:11,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-10-19 03:13:12,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 03:13:12,780 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 03:13:12,781 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-10-19 03:13:12,797 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c4fe29530/0abced80a7084bd1855d753278c947e4/FLAGdb02da79b [2024-10-19 03:13:12,812 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c4fe29530/0abced80a7084bd1855d753278c947e4 [2024-10-19 03:13:12,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 03:13:12,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 03:13:12,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 03:13:12,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 03:13:12,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 03:13:12,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 03:13:12" (1/1) ... [2024-10-19 03:13:12,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f0c2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:12, skipping insertion in model container [2024-10-19 03:13:12,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 03:13:12" (1/1) ... [2024-10-19 03:13:12,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 03:13:13,096 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-C-DAC/pthread-demo-datarace-1.i[820,833] [2024-10-19 03:13:13,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 03:13:13,444 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 03:13:13,457 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-C-DAC/pthread-demo-datarace-1.i[820,833] [2024-10-19 03:13:13,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 03:13:13,567 INFO L204 MainTranslator]: Completed translation [2024-10-19 03:13:13,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:13 WrapperNode [2024-10-19 03:13:13,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 03:13:13,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 03:13:13,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 03:13:13,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 03:13:13,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:13" (1/1) ... [2024-10-19 03:13:13,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:13" (1/1) ... [2024-10-19 03:13:13,616 INFO L138 Inliner]: procedures = 364, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-10-19 03:13:13,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 03:13:13,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 03:13:13,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 03:13:13,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 03:13:13,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:13" (1/1) ... [2024-10-19 03:13:13,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:13" (1/1) ... [2024-10-19 03:13:13,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:13" (1/1) ... [2024-10-19 03:13:13,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:13" (1/1) ... [2024-10-19 03:13:13,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:13" (1/1) ... [2024-10-19 03:13:13,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:13" (1/1) ... [2024-10-19 03:13:13,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:13" (1/1) ... [2024-10-19 03:13:13,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:13" (1/1) ... [2024-10-19 03:13:13,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 03:13:13,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 03:13:13,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 03:13:13,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 03:13:13,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:13" (1/1) ... [2024-10-19 03:13:13,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 03:13:13,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:13:13,686 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) [2024-10-19 03:13:13,689 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 [2024-10-19 03:13:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-19 03:13:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-19 03:13:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 03:13:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2024-10-19 03:13:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2024-10-19 03:13:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 03:13:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 03:13:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 03:13:13,739 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-19 03:13:13,939 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 03:13:13,941 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 03:13:14,123 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 03:13:14,123 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 03:13:14,240 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 03:13:14,241 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-19 03:13:14,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 03:13:14 BoogieIcfgContainer [2024-10-19 03:13:14,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 03:13:14,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 03:13:14,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 03:13:14,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 03:13:14,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 03:13:12" (1/3) ... [2024-10-19 03:13:14,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d4ef9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 03:13:14, skipping insertion in model container [2024-10-19 03:13:14,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 03:13:13" (2/3) ... [2024-10-19 03:13:14,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d4ef9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 03:13:14, skipping insertion in model container [2024-10-19 03:13:14,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 03:13:14" (3/3) ... [2024-10-19 03:13:14,251 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2024-10-19 03:13:14,267 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 03:13:14,268 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-19 03:13:14,268 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 03:13:14,299 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-19 03:13:14,336 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 03:13:14,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 03:13:14,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:13:14,338 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) [2024-10-19 03:13:14,339 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 [2024-10-19 03:13:14,427 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 03:13:14,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:14,450 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 03:13:14,457 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;@32510a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-19 03:13:14,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-19 03:13:14,971 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 03:13:14,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:14,976 INFO L85 PathProgramCache]: Analyzing trace with hash -308849241, now seen corresponding path program 1 times [2024-10-19 03:13:14,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:14,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580166319] [2024-10-19 03:13:14,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:14,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:15,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:15,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:15,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580166319] [2024-10-19 03:13:15,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580166319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:13:15,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 03:13:15,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-19 03:13:15,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986598658] [2024-10-19 03:13:15,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:13:15,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-19 03:13:15,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:15,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 03:13:15,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-19 03:13:15,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:15,344 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:15,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-19 03:13:15,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:15,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:15,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-19 03:13:15,578 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 03:13:15,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:15,579 INFO L85 PathProgramCache]: Analyzing trace with hash -394817015, now seen corresponding path program 1 times [2024-10-19 03:13:15,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:15,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315898880] [2024-10-19 03:13:15,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:15,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:15,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:15,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315898880] [2024-10-19 03:13:15,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315898880] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 03:13:15,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381318162] [2024-10-19 03:13:15,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:15,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:13:15,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:13:15,786 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 03:13:15,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-19 03:13:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:15,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-19 03:13:15,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 03:13:15,955 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:15,955 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 03:13:16,000 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:16,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381318162] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 03:13:16,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 03:13:16,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-19 03:13:16,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679640089] [2024-10-19 03:13:16,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 03:13:16,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-19 03:13:16,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:16,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-19 03:13:16,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-19 03:13:16,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:16,005 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:16,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2024-10-19 03:13:16,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:16,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:16,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:13:16,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-19 03:13:16,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-19 03:13:16,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 03:13:16,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:16,334 INFO L85 PathProgramCache]: Analyzing trace with hash 514676783, now seen corresponding path program 2 times [2024-10-19 03:13:16,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:16,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552134631] [2024-10-19 03:13:16,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:16,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:16,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:16,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552134631] [2024-10-19 03:13:16,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552134631] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 03:13:16,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654419987] [2024-10-19 03:13:16,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-19 03:13:16,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:13:16,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:13:16,574 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 03:13:16,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-19 03:13:16,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-19 03:13:16,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 03:13:16,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-19 03:13:16,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 03:13:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:16,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 03:13:16,873 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:16,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654419987] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 03:13:16,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 03:13:16,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-19 03:13:16,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460211077] [2024-10-19 03:13:16,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 03:13:16,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-19 03:13:16,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:16,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-19 03:13:16,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-19 03:13:16,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:16,878 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:16,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.692307692307692) internal successors, (113), 13 states have internal predecessors, (113), 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) [2024-10-19 03:13:16,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:16,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:13:16,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:17,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:17,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:13:17,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 03:13:17,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-19 03:13:17,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:13:17,346 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 03:13:17,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:17,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2015301381, now seen corresponding path program 3 times [2024-10-19 03:13:17,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:17,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886812382] [2024-10-19 03:13:17,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:17,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:17,817 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 11 proven. 510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:17,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:17,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886812382] [2024-10-19 03:13:17,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886812382] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 03:13:17,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819476246] [2024-10-19 03:13:17,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-19 03:13:17,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:13:17,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:13:17,821 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 03:13:17,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-19 03:13:18,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-10-19 03:13:18,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 03:13:18,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-19 03:13:18,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 03:13:18,378 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:18,379 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 03:13:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:18,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819476246] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 03:13:18,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 03:13:18,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 33 [2024-10-19 03:13:18,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990037143] [2024-10-19 03:13:18,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 03:13:18,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-19 03:13:18,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:18,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-19 03:13:18,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=748, Unknown=0, NotChecked=0, Total=1056 [2024-10-19 03:13:18,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:18,784 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:18,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 9.333333333333334) internal successors, (308), 33 states have internal predecessors, (308), 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) [2024-10-19 03:13:18,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:18,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:13:18,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 03:13:18,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:19,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:19,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:13:19,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 03:13:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-19 03:13:19,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-19 03:13:19,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:13:19,702 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 03:13:19,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:19,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1455873890, now seen corresponding path program 4 times [2024-10-19 03:13:19,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:19,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105103984] [2024-10-19 03:13:19,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:19,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 1940 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:22,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:22,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105103984] [2024-10-19 03:13:22,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105103984] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 03:13:22,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255523636] [2024-10-19 03:13:22,990 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-19 03:13:22,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:13:22,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:13:22,992 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 03:13:22,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-19 03:13:23,259 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-19 03:13:23,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 03:13:23,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-10-19 03:13:23,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 03:13:23,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 1940 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:23,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 03:13:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 1940 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:23,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255523636] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 03:13:23,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 03:13:23,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 44 [2024-10-19 03:13:23,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608923401] [2024-10-19 03:13:23,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 03:13:23,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-10-19 03:13:23,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:23,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-10-19 03:13:23,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1892, Unknown=0, NotChecked=0, Total=1980 [2024-10-19 03:13:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:23,881 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:23,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.711111111111111) internal successors, (212), 44 states have internal predecessors, (212), 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) [2024-10-19 03:13:23,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:23,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:13:23,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 03:13:23,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-10-19 03:13:23,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:27,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:27,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:13:27,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 03:13:27,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-19 03:13:27,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-19 03:13:27,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-19 03:13:27,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:13:27,720 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 03:13:27,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:27,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1649008388, now seen corresponding path program 5 times [2024-10-19 03:13:27,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:27,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087985192] [2024-10-19 03:13:27,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:27,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:28,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2142 backedges. 2045 proven. 96 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-19 03:13:28,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:28,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087985192] [2024-10-19 03:13:28,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087985192] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 03:13:28,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083540834] [2024-10-19 03:13:28,513 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-19 03:13:28,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:13:28,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:13:28,515 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 03:13:28,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-19 03:13:28,889 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-10-19 03:13:28,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 03:13:28,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-19 03:13:28,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 03:13:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2142 backedges. 2141 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-19 03:13:29,150 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-19 03:13:29,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083540834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:13:29,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-19 03:13:29,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-10-19 03:13:29,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820888540] [2024-10-19 03:13:29,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:13:29,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-19 03:13:29,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:29,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-19 03:13:29,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-10-19 03:13:29,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:29,154 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:29,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.565217391304348) internal successors, (220), 23 states have internal predecessors, (220), 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) [2024-10-19 03:13:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:13:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 03:13:29,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-10-19 03:13:29,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-10-19 03:13:29,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:13:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 03:13:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-19 03:13:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-19 03:13:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-19 03:13:29,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-19 03:13:29,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:13:29,768 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 03:13:29,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:29,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1173193893, now seen corresponding path program 6 times [2024-10-19 03:13:29,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:29,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350628500] [2024-10-19 03:13:29,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:29,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:30,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2041 backedges. 1849 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:30,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:30,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350628500] [2024-10-19 03:13:30,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350628500] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 03:13:30,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114421213] [2024-10-19 03:13:30,587 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-19 03:13:30,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:13:30,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:13:30,589 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 03:13:30,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-19 03:13:31,233 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-10-19 03:13:31,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 03:13:31,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-19 03:13:31,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 03:13:31,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2041 backedges. 2041 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:31,458 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-19 03:13:31,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114421213] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 03:13:31,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-19 03:13:31,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-10-19 03:13:31,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352190443] [2024-10-19 03:13:31,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 03:13:31,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-19 03:13:31,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:31,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-19 03:13:31,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-10-19 03:13:31,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:31,463 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:31,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 23 states have internal predecessors, (215), 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) [2024-10-19 03:13:31,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:31,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:13:31,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 03:13:31,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-10-19 03:13:31,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-10-19 03:13:31,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-19 03:13:31,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:31,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:31,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:13:31,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 03:13:31,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-19 03:13:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-19 03:13:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-19 03:13:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-19 03:13:31,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-19 03:13:32,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-19 03:13:32,166 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 03:13:32,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 03:13:32,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1886786925, now seen corresponding path program 7 times [2024-10-19 03:13:32,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 03:13:32,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043097182] [2024-10-19 03:13:32,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:13:32,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:13:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:32,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 20 proven. 1824 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:32,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 03:13:32,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043097182] [2024-10-19 03:13:32,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043097182] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 03:13:32,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565525287] [2024-10-19 03:13:32,907 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-19 03:13:32,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:13:32,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 03:13:32,909 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 03:13:32,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-19 03:13:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:13:33,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-19 03:13:33,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 03:13:33,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 20 proven. 1824 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:33,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 03:13:33,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 20 proven. 1824 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 03:13:33,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565525287] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 03:13:33,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 03:13:33,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 23 [2024-10-19 03:13:33,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140922010] [2024-10-19 03:13:33,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 03:13:33,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-19 03:13:33,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 03:13:33,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-19 03:13:33,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2024-10-19 03:13:33,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:33,731 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 03:13:33,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.391304347826088) internal successors, (216), 23 states have internal predecessors, (216), 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) [2024-10-19 03:13:33,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:33,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:13:33,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-19 03:13:33,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-10-19 03:13:33,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-10-19 03:13:33,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-19 03:13:33,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-19 03:13:33,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 03:13:49,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-19 03:13:49,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 03:13:49,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-19 03:13:49,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-10-19 03:13:49,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-10-19 03:13:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-19 03:13:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-19 03:13:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-19 03:13:49,673 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-10-19 03:13:49,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-10-19 03:13:49,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-19 03:13:49,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 03:13:49,887 INFO L414 BasicCegarLoop]: Path program histogram: [7, 1] [2024-10-19 03:13:49,890 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-19 03:13:49,890 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-19 03:13:49,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 03:13:49 BasicIcfg [2024-10-19 03:13:49,896 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-19 03:13:49,897 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-19 03:13:49,897 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-19 03:13:49,897 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-19 03:13:49,897 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 03:13:14" (3/4) ... [2024-10-19 03:13:49,901 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-19 03:13:49,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2024-10-19 03:13:49,910 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2024-10-19 03:13:49,911 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-19 03:13:49,911 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-19 03:13:49,911 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-19 03:13:50,005 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-19 03:13:50,006 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-19 03:13:50,006 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-19 03:13:50,007 INFO L158 Benchmark]: Toolchain (without parser) took 37189.07ms. Allocated memory was 174.1MB in the beginning and 654.3MB in the end (delta: 480.2MB). Free memory was 139.4MB in the beginning and 565.7MB in the end (delta: -426.3MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2024-10-19 03:13:50,007 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 174.1MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-19 03:13:50,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 747.75ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 104.8MB in the end (delta: 34.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-19 03:13:50,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.64ms. Allocated memory is still 174.1MB. Free memory was 104.8MB in the beginning and 102.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-19 03:13:50,008 INFO L158 Benchmark]: Boogie Preprocessor took 28.71ms. Allocated memory is still 174.1MB. Free memory was 102.8MB in the beginning and 100.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-19 03:13:50,008 INFO L158 Benchmark]: RCFGBuilder took 594.43ms. Allocated memory is still 174.1MB. Free memory was 100.7MB in the beginning and 125.6MB in the end (delta: -24.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-19 03:13:50,008 INFO L158 Benchmark]: TraceAbstraction took 35652.48ms. Allocated memory was 174.1MB in the beginning and 654.3MB in the end (delta: 480.2MB). Free memory was 123.7MB in the beginning and 570.9MB in the end (delta: -447.2MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2024-10-19 03:13:50,009 INFO L158 Benchmark]: Witness Printer took 109.55ms. Allocated memory is still 654.3MB. Free memory was 570.9MB in the beginning and 565.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-19 03:13:50,010 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 174.1MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 747.75ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 104.8MB in the end (delta: 34.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.64ms. Allocated memory is still 174.1MB. Free memory was 104.8MB in the beginning and 102.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.71ms. Allocated memory is still 174.1MB. Free memory was 102.8MB in the beginning and 100.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.43ms. Allocated memory is still 174.1MB. Free memory was 100.7MB in the beginning and 125.6MB in the end (delta: -24.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 35652.48ms. Allocated memory was 174.1MB in the beginning and 654.3MB in the end (delta: 480.2MB). Free memory was 123.7MB in the beginning and 570.9MB in the end (delta: -447.2MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 109.55ms. Allocated memory is still 654.3MB. Free memory was 570.9MB in the beginning and 565.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 53486, independent: 48163, independent conditional: 47872, independent unconditional: 291, dependent: 5323, dependent conditional: 5311, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52679, independent: 48163, independent conditional: 47872, independent unconditional: 291, dependent: 4516, dependent conditional: 4504, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52679, independent: 48163, independent conditional: 47872, independent unconditional: 291, dependent: 4516, dependent conditional: 4504, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 52679, independent: 48163, independent conditional: 47872, independent unconditional: 291, dependent: 4516, dependent conditional: 4504, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72989, independent: 48163, independent conditional: 47872, independent unconditional: 291, dependent: 24826, dependent conditional: 24802, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 72989, independent: 48163, independent conditional: 19878, independent unconditional: 28285, dependent: 24826, dependent conditional: 2283, dependent unconditional: 22543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 72989, independent: 48163, independent conditional: 19878, independent unconditional: 28285, dependent: 24826, dependent conditional: 2283, dependent unconditional: 22543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 946, independent: 102, independent conditional: 2, independent unconditional: 100, dependent: 844, dependent conditional: 838, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 946, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 848, dependent conditional: 0, dependent unconditional: 848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 848, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 844, dependent conditional: 838, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 848, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 844, dependent conditional: 838, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6192, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 6092, dependent conditional: 5921, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 72989, independent: 48061, independent conditional: 19876, independent unconditional: 28185, dependent: 23982, dependent conditional: 1445, dependent unconditional: 22537, unknown: 946, unknown conditional: 840, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 946, Positive cache size: 102, Positive conditional cache size: 2, Positive unconditional cache size: 100, Negative cache size: 844, Negative conditional cache size: 838, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 50513, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72989, independent: 48163, independent conditional: 47872, independent unconditional: 291, dependent: 24826, dependent conditional: 24802, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 72989, independent: 48163, independent conditional: 19878, independent unconditional: 28285, dependent: 24826, dependent conditional: 2283, dependent unconditional: 22543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 72989, independent: 48163, independent conditional: 19878, independent unconditional: 28285, dependent: 24826, dependent conditional: 2283, dependent unconditional: 22543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 946, independent: 102, independent conditional: 2, independent unconditional: 100, dependent: 844, dependent conditional: 838, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 946, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 848, dependent conditional: 0, dependent unconditional: 848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 848, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 844, dependent conditional: 838, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 848, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 844, dependent conditional: 838, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6192, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 6092, dependent conditional: 5921, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 72989, independent: 48061, independent conditional: 19876, independent unconditional: 28185, dependent: 23982, dependent conditional: 1445, dependent unconditional: 22537, unknown: 946, unknown conditional: 840, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 946, Positive cache size: 102, Positive conditional cache size: 2, Positive unconditional cache size: 100, Negative cache size: 844, Negative conditional cache size: 838, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 50513 ], Independence queries for same thread: 807, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 80, Number of trivial persistent sets: 74, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 134, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 53486, independent: 48163, independent conditional: 47872, independent unconditional: 291, dependent: 5323, dependent conditional: 5311, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52679, independent: 48163, independent conditional: 47872, independent unconditional: 291, dependent: 4516, dependent conditional: 4504, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52679, independent: 48163, independent conditional: 47872, independent unconditional: 291, dependent: 4516, dependent conditional: 4504, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 52679, independent: 48163, independent conditional: 47872, independent unconditional: 291, dependent: 4516, dependent conditional: 4504, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72989, independent: 48163, independent conditional: 47872, independent unconditional: 291, dependent: 24826, dependent conditional: 24802, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 72989, independent: 48163, independent conditional: 19878, independent unconditional: 28285, dependent: 24826, dependent conditional: 2283, dependent unconditional: 22543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 72989, independent: 48163, independent conditional: 19878, independent unconditional: 28285, dependent: 24826, dependent conditional: 2283, dependent unconditional: 22543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 946, independent: 102, independent conditional: 2, independent unconditional: 100, dependent: 844, dependent conditional: 838, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 946, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 848, dependent conditional: 0, dependent unconditional: 848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 848, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 844, dependent conditional: 838, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 848, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 844, dependent conditional: 838, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6192, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 6092, dependent conditional: 5921, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 72989, independent: 48061, independent conditional: 19876, independent unconditional: 28185, dependent: 23982, dependent conditional: 1445, dependent unconditional: 22537, unknown: 946, unknown conditional: 840, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 946, Positive cache size: 102, Positive conditional cache size: 2, Positive unconditional cache size: 100, Negative cache size: 844, Negative conditional cache size: 838, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 50513, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72989, independent: 48163, independent conditional: 47872, independent unconditional: 291, dependent: 24826, dependent conditional: 24802, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 72989, independent: 48163, independent conditional: 19878, independent unconditional: 28285, dependent: 24826, dependent conditional: 2283, dependent unconditional: 22543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 72989, independent: 48163, independent conditional: 19878, independent unconditional: 28285, dependent: 24826, dependent conditional: 2283, dependent unconditional: 22543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 946, independent: 102, independent conditional: 2, independent unconditional: 100, dependent: 844, dependent conditional: 838, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 946, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 848, dependent conditional: 0, dependent unconditional: 848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 848, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 844, dependent conditional: 838, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 848, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 844, dependent conditional: 838, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6192, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 6092, dependent conditional: 5921, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 72989, independent: 48061, independent conditional: 19876, independent unconditional: 28185, dependent: 23982, dependent conditional: 1445, dependent unconditional: 22537, unknown: 946, unknown conditional: 840, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 946, Positive cache size: 102, Positive conditional cache size: 2, Positive unconditional cache size: 100, Negative cache size: 844, Negative conditional cache size: 838, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 50513 ], Independence queries for same thread: 807 - PositiveResult [Line: 13]: 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 3 procedures, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 35.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 22.3s, 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: 386, 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: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 2105 NumberOfCodeBlocks, 2105 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 2695 ConstructedInterpolants, 0 QuantifiedInterpolants, 7765 SizeOfPredicates, 22 NumberOfNonLiveVariables, 4449 ConjunctsInSsa, 215 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 8171/21573 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: 6.8s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 15, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-19 03:13:50,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-10-19 03:13:50,234 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