./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4f33aa2cc1f38311ba2397f8e50d98656063732fb966533fd95353a255f95b1 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 09:34:50,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 09:34:50,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 09:34:50,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 09:34:50,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 09:34:50,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 09:34:50,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 09:34:50,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 09:34:50,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 09:34:50,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 09:34:50,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 09:34:50,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 09:34:50,180 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 09:34:50,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 09:34:50,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 09:34:50,182 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 09:34:50,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 09:34:50,182 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 09:34:50,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 09:34:50,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 09:34:50,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 09:34:50,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 09:34:50,186 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 09:34:50,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 09:34:50,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 09:34:50,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 09:34:50,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 09:34:50,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 09:34:50,186 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 09:34:50,187 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 09:34:50,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 09:34:50,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 09:34:50,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 09:34:50,187 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 09:34:50,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 09:34:50,188 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 09:34:50,188 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 09:34:50,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 09:34:50,188 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 09:34:50,188 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 09:34:50,188 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 09:34:50,189 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4f33aa2cc1f38311ba2397f8e50d98656063732fb966533fd95353a255f95b1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-10-18 09:34:50,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 09:34:50,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 09:34:50,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 09:34:50,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 09:34:50,428 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 09:34:50,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-10-18 09:34:51,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 09:34:51,866 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 09:34:51,867 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-10-18 09:34:51,874 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2126b4519/409f1f49894147a198b3e4e749fcee15/FLAG95f6e90bc [2024-10-18 09:34:52,263 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2126b4519/409f1f49894147a198b3e4e749fcee15 [2024-10-18 09:34:52,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 09:34:52,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 09:34:52,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 09:34:52,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 09:34:52,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 09:34:52,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:34:52" (1/1) ... [2024-10-18 09:34:52,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4a9fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52, skipping insertion in model container [2024-10-18 09:34:52,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:34:52" (1/1) ... [2024-10-18 09:34:52,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 09:34:52,485 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c[4249,4262] [2024-10-18 09:34:52,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 09:34:52,513 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 09:34:52,532 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c[4249,4262] [2024-10-18 09:34:52,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 09:34:52,551 INFO L204 MainTranslator]: Completed translation [2024-10-18 09:34:52,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52 WrapperNode [2024-10-18 09:34:52,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 09:34:52,553 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 09:34:52,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 09:34:52,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 09:34:52,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52" (1/1) ... [2024-10-18 09:34:52,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52" (1/1) ... [2024-10-18 09:34:52,592 INFO L138 Inliner]: procedures = 24, calls = 74, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 228 [2024-10-18 09:34:52,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 09:34:52,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 09:34:52,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 09:34:52,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 09:34:52,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52" (1/1) ... [2024-10-18 09:34:52,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52" (1/1) ... [2024-10-18 09:34:52,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52" (1/1) ... [2024-10-18 09:34:52,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52" (1/1) ... [2024-10-18 09:34:52,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52" (1/1) ... [2024-10-18 09:34:52,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52" (1/1) ... [2024-10-18 09:34:52,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52" (1/1) ... [2024-10-18 09:34:52,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52" (1/1) ... [2024-10-18 09:34:52,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 09:34:52,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 09:34:52,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 09:34:52,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 09:34:52,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52" (1/1) ... [2024-10-18 09:34:52,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 09:34:52,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 09:34:52,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 09:34:52,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 09:34:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 09:34:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 09:34:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 09:34:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 09:34:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 09:34:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 09:34:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 09:34:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 09:34:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 09:34:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 09:34:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 09:34:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-18 09:34:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 09:34:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 09:34:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 09:34:52,729 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 09:34:52,837 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 09:34:52,840 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 09:34:53,161 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 09:34:53,163 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 09:34:53,443 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 09:34:53,443 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-18 09:34:53,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:34:53 BoogieIcfgContainer [2024-10-18 09:34:53,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 09:34:53,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 09:34:53,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 09:34:53,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 09:34:53,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 09:34:52" (1/3) ... [2024-10-18 09:34:53,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1cd051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:34:53, skipping insertion in model container [2024-10-18 09:34:53,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:34:52" (2/3) ... [2024-10-18 09:34:53,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1cd051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:34:53, skipping insertion in model container [2024-10-18 09:34:53,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:34:53" (3/3) ... [2024-10-18 09:34:53,452 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2024-10-18 09:34:53,466 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 09:34:53,466 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 09:34:53,467 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 09:34:53,510 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-18 09:34:53,551 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 09:34:53,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 09:34:53,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 09:34:53,554 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 09:34:53,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 09:34:53,625 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 09:34:53,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 09:34:53,640 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 09:34:53,646 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;@5dc1a403, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 09:34:53,646 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 09:34:54,149 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 09:34:54,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 09:34:54,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1049268256, now seen corresponding path program 1 times [2024-10-18 09:34:54,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 09:34:54,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365887711] [2024-10-18 09:34:54,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:34:54,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 09:34:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 09:34:54,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 09:34:54,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 09:34:54,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365887711] [2024-10-18 09:34:54,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365887711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 09:34:54,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 09:34:54,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 09:34:54,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969967664] [2024-10-18 09:34:54,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 09:34:54,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 09:34:54,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 09:34:54,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 09:34:54,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 09:34:54,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:34:54,629 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 09:34:54,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 09:34:54,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:34:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:34:54,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 09:34:54,711 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 09:34:54,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 09:34:54,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1495130906, now seen corresponding path program 1 times [2024-10-18 09:34:54,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 09:34:54,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49794833] [2024-10-18 09:34:54,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:34:54,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 09:34:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 09:34:55,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 09:34:55,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 09:34:55,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49794833] [2024-10-18 09:34:55,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49794833] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 09:34:55,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294208475] [2024-10-18 09:34:55,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:34:55,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 09:34:55,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 09:34:55,312 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 09:34:55,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 09:34:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 09:34:55,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-18 09:34:55,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 09:34:55,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-10-18 09:34:56,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 09:34:56,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 09:34:57,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 88 [2024-10-18 09:34:57,103 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 09:34:57,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 112 treesize of output 112 [2024-10-18 09:34:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 09:34:57,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294208475] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 09:34:57,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 09:34:57,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 27 [2024-10-18 09:34:57,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25532977] [2024-10-18 09:34:57,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 09:34:57,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-18 09:34:57,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 09:34:57,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-18 09:34:57,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=640, Unknown=0, NotChecked=0, Total=756 [2024-10-18 09:34:57,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:34:57,508 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 09:34:57,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.321428571428571) internal successors, (121), 27 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 09:34:57,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:34:57,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:34:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:34:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:34:57,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 09:34:58,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-18 09:34:58,093 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 09:34:58,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 09:34:58,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1232873696, now seen corresponding path program 2 times [2024-10-18 09:34:58,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 09:34:58,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517007947] [2024-10-18 09:34:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:34:58,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 09:34:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 09:34:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 09:34:59,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 09:34:59,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517007947] [2024-10-18 09:34:59,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517007947] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 09:34:59,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022891837] [2024-10-18 09:34:59,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 09:34:59,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 09:34:59,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 09:34:59,686 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 09:34:59,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 09:34:59,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-18 09:34:59,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 09:34:59,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-18 09:34:59,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 09:34:59,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 09:34:59,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2024-10-18 09:34:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 09:34:59,949 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 09:34:59,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022891837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 09:34:59,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 09:34:59,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-10-18 09:34:59,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074162278] [2024-10-18 09:34:59,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 09:34:59,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-18 09:34:59,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 09:34:59,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-18 09:34:59,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-10-18 09:34:59,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:34:59,954 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 09:34:59,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 09:34:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:34:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:34:59,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:35:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:35:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:00,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-18 09:35:00,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 09:35:00,686 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 09:35:00,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 09:35:00,686 INFO L85 PathProgramCache]: Analyzing trace with hash 986120288, now seen corresponding path program 3 times [2024-10-18 09:35:00,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 09:35:00,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657639355] [2024-10-18 09:35:00,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:35:00,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 09:35:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 09:35:00,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 09:35:00,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 09:35:00,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657639355] [2024-10-18 09:35:00,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657639355] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 09:35:00,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 09:35:00,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-18 09:35:00,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526629498] [2024-10-18 09:35:00,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 09:35:00,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 09:35:00,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 09:35:00,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 09:35:00,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-18 09:35:00,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:35:00,862 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 09:35:00,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 09:35:00,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:00,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:35:00,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:00,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:35:01,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:01,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:35:01,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:01,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:01,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-18 09:35:01,239 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 09:35:01,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 09:35:01,239 INFO L85 PathProgramCache]: Analyzing trace with hash 2009415696, now seen corresponding path program 4 times [2024-10-18 09:35:01,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 09:35:01,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669961795] [2024-10-18 09:35:01,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:35:01,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 09:35:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 09:35:01,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 09:35:01,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 09:35:01,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669961795] [2024-10-18 09:35:01,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669961795] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 09:35:01,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 09:35:01,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 09:35:01,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441492762] [2024-10-18 09:35:01,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 09:35:01,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 09:35:01,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 09:35:01,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1803437094, now seen corresponding path program 1 times [2024-10-18 09:35:01,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:35:01,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 09:35:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 09:35:01,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 09:35:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 09:35:01,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 09:35:01,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 09:35:01,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:35:01,414 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 09:35:01,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 09:35:01,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:01,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:35:01,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:01,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:01,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:35:01,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:01,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:35:01,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:01,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:01,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:01,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-10-18 09:35:01,481 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 09:35:01,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 09:35:01,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1410708526, now seen corresponding path program 5 times [2024-10-18 09:35:01,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 09:35:01,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657361510] [2024-10-18 09:35:01,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:35:01,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 09:35:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 09:35:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 09:35:01,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 09:35:01,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657361510] [2024-10-18 09:35:01,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657361510] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 09:35:01,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 09:35:01,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-18 09:35:01,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117221042] [2024-10-18 09:35:01,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 09:35:01,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 09:35:01,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 09:35:01,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1803437107, now seen corresponding path program 1 times [2024-10-18 09:35:01,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:35:01,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 09:35:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 09:35:01,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 09:35:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 09:35:01,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 09:35:01,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-18 09:35:01,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:35:01,712 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 09:35:01,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 09:35:01,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:01,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:35:01,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:01,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:01,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:01,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:35:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:35:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:02,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:02,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:02,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 09:35:02,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-10-18 09:35:02,023 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 09:35:02,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 09:35:02,024 INFO L85 PathProgramCache]: Analyzing trace with hash 141614924, now seen corresponding path program 6 times [2024-10-18 09:35:02,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 09:35:02,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224986678] [2024-10-18 09:35:02,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:35:02,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 09:35:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 09:35:02,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 09:35:02,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 09:35:02,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224986678] [2024-10-18 09:35:02,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224986678] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 09:35:02,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 09:35:02,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 09:35:02,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239442890] [2024-10-18 09:35:02,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 09:35:02,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 09:35:02,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 09:35:02,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1803437124, now seen corresponding path program 1 times [2024-10-18 09:35:02,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:35:02,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 09:35:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 09:35:02,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 09:35:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 09:35:02,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 09:35:02,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 09:35:02,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:35:02,209 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 09:35:02,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 09:35:02,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:02,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:35:02,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:02,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:02,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:02,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 09:35:02,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:35:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:02,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:35:02,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:02,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:02,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:02,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 09:35:02,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:02,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable9 [2024-10-18 09:35:02,365 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 09:35:02,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 09:35:02,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2137807820, now seen corresponding path program 7 times [2024-10-18 09:35:02,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 09:35:02,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042504271] [2024-10-18 09:35:02,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:35:02,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 09:35:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 09:35:02,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 09:35:02,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 09:35:02,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042504271] [2024-10-18 09:35:02,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042504271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 09:35:02,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 09:35:02,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-18 09:35:02,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722355908] [2024-10-18 09:35:02,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 09:35:02,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 09:35:02,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 09:35:02,524 INFO L85 PathProgramCache]: Analyzing trace with hash 945755245, now seen corresponding path program 1 times [2024-10-18 09:35:02,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:35:02,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 09:35:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 09:35:02,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 09:35:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 09:35:02,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 09:35:02,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-18 09:35:02,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:35:02,566 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 09:35:02,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 09:35:02,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:02,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:35:02,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:02,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:02,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:02,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 09:35:02,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:02,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:35:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:35:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:02,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:02,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:02,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 09:35:02,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:02,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:02,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11 [2024-10-18 09:35:02,816 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 09:35:02,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 09:35:02,816 INFO L85 PathProgramCache]: Analyzing trace with hash 420248976, now seen corresponding path program 8 times [2024-10-18 09:35:02,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 09:35:02,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043458576] [2024-10-18 09:35:02,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 09:35:02,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 09:35:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 09:35:04,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 09:35:04,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 09:35:04,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043458576] [2024-10-18 09:35:04,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043458576] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 09:35:04,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201913067] [2024-10-18 09:35:04,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 09:35:04,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 09:35:04,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 09:35:04,513 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 09:35:04,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 09:35:04,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-18 09:35:04,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 09:35:04,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-18 09:35:04,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 09:35:04,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-18 09:35:04,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2024-10-18 09:35:04,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 09:35:04,753 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 09:35:04,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201913067] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 09:35:04,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 09:35:04,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2024-10-18 09:35:04,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483781374] [2024-10-18 09:35:04,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 09:35:04,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-18 09:35:04,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 09:35:04,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-18 09:35:04,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-10-18 09:35:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:35:04,757 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 09:35:04,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 09:35:04,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:04,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 09:35:04,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:04,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:04,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:04,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 09:35:04,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:04,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:04,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 09:35:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:05,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 09:35:05,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:05,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:05,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:05,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 09:35:05,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 09:35:05,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 09:35:05,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 09:35:05,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-18 09:35:05,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-18 09:35:05,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-18 09:35:05,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-18 09:35:05,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-18 09:35:05,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 09:35:05,828 INFO L414 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1, 1, 1] [2024-10-18 09:35:05,830 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 09:35:05,830 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 09:35:05,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 09:35:05 BasicIcfg [2024-10-18 09:35:05,832 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 09:35:05,833 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 09:35:05,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 09:35:05,833 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 09:35:05,833 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:34:53" (3/4) ... [2024-10-18 09:35:05,835 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 09:35:05,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-18 09:35:05,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-18 09:35:05,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-18 09:35:05,845 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 121 nodes and edges [2024-10-18 09:35:05,845 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-10-18 09:35:05,846 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-18 09:35:05,846 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-18 09:35:05,926 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 09:35:05,926 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 09:35:05,927 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 09:35:05,927 INFO L158 Benchmark]: Toolchain (without parser) took 13661.36ms. Allocated memory was 155.2MB in the beginning and 358.6MB in the end (delta: 203.4MB). Free memory was 101.4MB in the beginning and 214.7MB in the end (delta: -113.4MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. [2024-10-18 09:35:05,927 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 09:35:05,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.26ms. Allocated memory is still 155.2MB. Free memory was 101.0MB in the beginning and 86.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-18 09:35:05,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.00ms. Allocated memory is still 155.2MB. Free memory was 86.3MB in the beginning and 84.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 09:35:05,927 INFO L158 Benchmark]: Boogie Preprocessor took 39.78ms. Allocated memory is still 155.2MB. Free memory was 84.3MB in the beginning and 82.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 09:35:05,928 INFO L158 Benchmark]: RCFGBuilder took 808.28ms. Allocated memory is still 155.2MB. Free memory was 82.5MB in the beginning and 107.8MB in the end (delta: -25.3MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-10-18 09:35:05,928 INFO L158 Benchmark]: TraceAbstraction took 12386.68ms. Allocated memory was 155.2MB in the beginning and 358.6MB in the end (delta: 203.4MB). Free memory was 106.2MB in the beginning and 221.0MB in the end (delta: -114.9MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2024-10-18 09:35:05,928 INFO L158 Benchmark]: Witness Printer took 93.78ms. Allocated memory is still 358.6MB. Free memory was 221.0MB in the beginning and 214.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-18 09:35:05,929 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.26ms. Allocated memory is still 155.2MB. Free memory was 101.0MB in the beginning and 86.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.00ms. Allocated memory is still 155.2MB. Free memory was 86.3MB in the beginning and 84.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.78ms. Allocated memory is still 155.2MB. Free memory was 84.3MB in the beginning and 82.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 808.28ms. Allocated memory is still 155.2MB. Free memory was 82.5MB in the beginning and 107.8MB in the end (delta: -25.3MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12386.68ms. Allocated memory was 155.2MB in the beginning and 358.6MB in the end (delta: 203.4MB). Free memory was 106.2MB in the beginning and 221.0MB in the end (delta: -114.9MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. * Witness Printer took 93.78ms. Allocated memory is still 358.6MB. Free memory was 221.0MB in the beginning and 214.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 12045, independent: 11928, independent conditional: 10949, independent unconditional: 979, dependent: 117, dependent conditional: 86, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12027, independent: 11928, independent conditional: 10949, independent unconditional: 979, dependent: 99, dependent conditional: 68, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12027, independent: 11928, independent conditional: 10949, independent unconditional: 979, dependent: 99, dependent conditional: 68, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12027, independent: 11928, independent conditional: 10949, independent unconditional: 979, dependent: 99, dependent conditional: 68, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12389, independent: 11928, independent conditional: 10949, independent unconditional: 979, dependent: 461, dependent conditional: 399, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12389, independent: 11928, independent conditional: 344, independent unconditional: 11584, dependent: 461, dependent conditional: 89, dependent unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12389, independent: 11928, independent conditional: 344, independent unconditional: 11584, dependent: 461, dependent conditional: 89, dependent unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1051, independent: 999, independent conditional: 20, independent unconditional: 979, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1051, independent: 971, independent conditional: 0, independent unconditional: 971, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 80, independent: 28, independent conditional: 20, independent unconditional: 8, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 28, independent conditional: 20, independent unconditional: 8, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1015, independent: 350, independent conditional: 194, independent unconditional: 156, dependent: 665, dependent conditional: 166, dependent unconditional: 498, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12389, independent: 10929, independent conditional: 324, independent unconditional: 10605, dependent: 409, dependent conditional: 68, dependent unconditional: 341, unknown: 1051, unknown conditional: 41, unknown unconditional: 1010] , Statistics on independence cache: Total cache size (in pairs): 1051, Positive cache size: 999, Positive conditional cache size: 20, Positive unconditional cache size: 979, Negative cache size: 52, Negative conditional cache size: 21, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10915, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12389, independent: 11928, independent conditional: 10949, independent unconditional: 979, dependent: 461, dependent conditional: 399, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12389, independent: 11928, independent conditional: 344, independent unconditional: 11584, dependent: 461, dependent conditional: 89, dependent unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12389, independent: 11928, independent conditional: 344, independent unconditional: 11584, dependent: 461, dependent conditional: 89, dependent unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1051, independent: 999, independent conditional: 20, independent unconditional: 979, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1051, independent: 971, independent conditional: 0, independent unconditional: 971, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 80, independent: 28, independent conditional: 20, independent unconditional: 8, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 28, independent conditional: 20, independent unconditional: 8, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1015, independent: 350, independent conditional: 194, independent unconditional: 156, dependent: 665, dependent conditional: 166, dependent unconditional: 498, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12389, independent: 10929, independent conditional: 324, independent unconditional: 10605, dependent: 409, dependent conditional: 68, dependent unconditional: 341, unknown: 1051, unknown conditional: 41, unknown unconditional: 1010] , Statistics on independence cache: Total cache size (in pairs): 1051, Positive cache size: 999, Positive conditional cache size: 20, Positive unconditional cache size: 979, Negative cache size: 52, Negative conditional cache size: 21, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10915 ], Independence queries for same thread: 18, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 525, Number of trivial persistent sets: 360, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1010, independent: 979, independent conditional: 0, independent unconditional: 979, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12045, independent: 11928, independent conditional: 10949, independent unconditional: 979, dependent: 117, dependent conditional: 86, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12027, independent: 11928, independent conditional: 10949, independent unconditional: 979, dependent: 99, dependent conditional: 68, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12027, independent: 11928, independent conditional: 10949, independent unconditional: 979, dependent: 99, dependent conditional: 68, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12027, independent: 11928, independent conditional: 10949, independent unconditional: 979, dependent: 99, dependent conditional: 68, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12389, independent: 11928, independent conditional: 10949, independent unconditional: 979, dependent: 461, dependent conditional: 399, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12389, independent: 11928, independent conditional: 344, independent unconditional: 11584, dependent: 461, dependent conditional: 89, dependent unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12389, independent: 11928, independent conditional: 344, independent unconditional: 11584, dependent: 461, dependent conditional: 89, dependent unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1051, independent: 999, independent conditional: 20, independent unconditional: 979, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1051, independent: 971, independent conditional: 0, independent unconditional: 971, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 80, independent: 28, independent conditional: 20, independent unconditional: 8, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 28, independent conditional: 20, independent unconditional: 8, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1015, independent: 350, independent conditional: 194, independent unconditional: 156, dependent: 665, dependent conditional: 166, dependent unconditional: 498, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12389, independent: 10929, independent conditional: 324, independent unconditional: 10605, dependent: 409, dependent conditional: 68, dependent unconditional: 341, unknown: 1051, unknown conditional: 41, unknown unconditional: 1010] , Statistics on independence cache: Total cache size (in pairs): 1051, Positive cache size: 999, Positive conditional cache size: 20, Positive unconditional cache size: 979, Negative cache size: 52, Negative conditional cache size: 21, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10915, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12389, independent: 11928, independent conditional: 10949, independent unconditional: 979, dependent: 461, dependent conditional: 399, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12389, independent: 11928, independent conditional: 344, independent unconditional: 11584, dependent: 461, dependent conditional: 89, dependent unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12389, independent: 11928, independent conditional: 344, independent unconditional: 11584, dependent: 461, dependent conditional: 89, dependent unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1051, independent: 999, independent conditional: 20, independent unconditional: 979, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1051, independent: 971, independent conditional: 0, independent unconditional: 971, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 80, independent: 28, independent conditional: 20, independent unconditional: 8, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 28, independent conditional: 20, independent unconditional: 8, dependent: 52, dependent conditional: 21, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1015, independent: 350, independent conditional: 194, independent unconditional: 156, dependent: 665, dependent conditional: 166, dependent unconditional: 498, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12389, independent: 10929, independent conditional: 324, independent unconditional: 10605, dependent: 409, dependent conditional: 68, dependent unconditional: 341, unknown: 1051, unknown conditional: 41, unknown unconditional: 1010] , Statistics on independence cache: Total cache size (in pairs): 1051, Positive cache size: 999, Positive conditional cache size: 20, Positive unconditional cache size: 979, Negative cache size: 52, Negative conditional cache size: 21, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10915 ], Independence queries for same thread: 18 - PositiveResult [Line: 161]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 82 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 3.5s, 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: 65, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 524 NumberOfCodeBlocks, 520 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 554 ConstructedInterpolants, 59 QuantifiedInterpolants, 8138 SizeOfPredicates, 32 NumberOfNonLiveVariables, 651 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 21/30 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: 0.4s, ConditionalCommutativityCheckTime: 0.4s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 4, ConditionalCommutativityTraceChecks: 4, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 09:35:05,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-18 09:35:06,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE