./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.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 3ff96f1177b851e0082faef897c2fcf87c2462cab57ba2153c754c5e198aaf06 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-19 05:12:48,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 05:12:48,196 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 05:12:48,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 05:12:48,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 05:12:48,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 05:12:48,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 05:12:48,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 05:12:48,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 05:12:48,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 05:12:48,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 05:12:48,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 05:12:48,219 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 05:12:48,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 05:12:48,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 05:12:48,220 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 05:12:48,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 05:12:48,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 05:12:48,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 05:12:48,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 05:12:48,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 05:12:48,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 05:12:48,225 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 05:12:48,225 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 05:12:48,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 05:12:48,225 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 05:12:48,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 05:12:48,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 05:12:48,226 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 05:12:48,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 05:12:48,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 05:12:48,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 05:12:48,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 05:12:48,227 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 05:12:48,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 05:12:48,228 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 05:12:48,228 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 05:12:48,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 05:12:48,229 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 05:12:48,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 05:12:48,229 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 05:12:48,229 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 -> 3ff96f1177b851e0082faef897c2fcf87c2462cab57ba2153c754c5e198aaf06 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-19 05:12:48,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 05:12:48,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 05:12:48,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 05:12:48,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 05:12:48,455 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 05:12:48,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-10-19 05:12:49,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 05:12:49,893 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 05:12:49,894 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-10-19 05:12:49,900 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/30151a5a5/b7cc3dbe9b5848c7ac2a2738733988b3/FLAG81bac9e1c [2024-10-19 05:12:50,284 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/30151a5a5/b7cc3dbe9b5848c7ac2a2738733988b3 [2024-10-19 05:12:50,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 05:12:50,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 05:12:50,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 05:12:50,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 05:12:50,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 05:12:50,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:12:50" (1/1) ... [2024-10-19 05:12:50,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d66cb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50, skipping insertion in model container [2024-10-19 05:12:50,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 05:12:50" (1/1) ... [2024-10-19 05:12:50,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 05:12:50,484 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2996,3009] [2024-10-19 05:12:50,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 05:12:50,501 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 05:12:50,525 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2996,3009] [2024-10-19 05:12:50,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 05:12:50,541 INFO L204 MainTranslator]: Completed translation [2024-10-19 05:12:50,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50 WrapperNode [2024-10-19 05:12:50,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 05:12:50,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 05:12:50,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 05:12:50,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 05:12:50,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50" (1/1) ... [2024-10-19 05:12:50,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50" (1/1) ... [2024-10-19 05:12:50,601 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-10-19 05:12:50,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 05:12:50,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 05:12:50,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 05:12:50,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 05:12:50,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50" (1/1) ... [2024-10-19 05:12:50,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50" (1/1) ... [2024-10-19 05:12:50,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50" (1/1) ... [2024-10-19 05:12:50,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50" (1/1) ... [2024-10-19 05:12:50,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50" (1/1) ... [2024-10-19 05:12:50,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50" (1/1) ... [2024-10-19 05:12:50,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50" (1/1) ... [2024-10-19 05:12:50,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50" (1/1) ... [2024-10-19 05:12:50,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 05:12:50,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 05:12:50,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 05:12:50,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 05:12:50,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50" (1/1) ... [2024-10-19 05:12:50,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 05:12:50,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 05:12:50,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-19 05:12:50,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-19 05:12:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 05:12:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-19 05:12:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-19 05:12:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-19 05:12:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-19 05:12:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-19 05:12:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-19 05:12:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 05:12:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 05:12:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 05:12:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 05:12:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 05:12:50,750 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-19 05:12:50,835 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 05:12:50,837 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 05:12:50,993 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 05:12:50,994 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 05:12:51,142 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 05:12:51,143 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-19 05:12:51,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:12:51 BoogieIcfgContainer [2024-10-19 05:12:51,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 05:12:51,146 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 05:12:51,146 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 05:12:51,150 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 05:12:51,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 05:12:50" (1/3) ... [2024-10-19 05:12:51,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be033de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 05:12:51, skipping insertion in model container [2024-10-19 05:12:51,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 05:12:50" (2/3) ... [2024-10-19 05:12:51,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be033de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 05:12:51, skipping insertion in model container [2024-10-19 05:12:51,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 05:12:51" (3/3) ... [2024-10-19 05:12:51,153 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2024-10-19 05:12:51,166 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 05:12:51,166 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-19 05:12:51,167 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 05:12:51,206 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-19 05:12:51,241 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 05:12:51,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 05:12:51,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 05:12:51,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-19 05:12:51,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-19 05:12:51,327 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 05:12:51,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 05:12:51,343 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 05:12:51,348 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;@4038841c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-19 05:12:51,349 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-19 05:12:52,938 INFO L85 PathProgramCache]: Analyzing trace with hash 730167851, now seen corresponding path program 1 times [2024-10-19 05:12:52,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:12:52,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:12:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:12:53,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-19 05:12:53,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:12:53,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:12:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:12:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-19 05:12:54,006 INFO L85 PathProgramCache]: Analyzing trace with hash 700847288, now seen corresponding path program 1 times [2024-10-19 05:12:54,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:12:54,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:12:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:12:54,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 05:12:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:12:54,285 INFO L85 PathProgramCache]: Analyzing trace with hash -795680233, now seen corresponding path program 1 times [2024-10-19 05:12:54,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:12:54,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:12:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:12:54,453 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-19 05:12:54,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:12:54,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:12:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:12:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-19 05:12:54,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-19 05:12:54,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-19 05:12:55,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1150609409, now seen corresponding path program 1 times [2024-10-19 05:12:55,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:12:55,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:12:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:12:55,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 05:12:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:12:55,528 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)] === [2024-10-19 05:12:55,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 05:12:55,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1803340436, now seen corresponding path program 1 times [2024-10-19 05:12:55,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 05:12:55,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067154230] [2024-10-19 05:12:55,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:12:55,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:12:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:12:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 05:12:59,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 05:12:59,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067154230] [2024-10-19 05:12:59,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067154230] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 05:12:59,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887162374] [2024-10-19 05:12:59,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:12:59,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 05:12:59,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 05:12:59,209 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 05:12:59,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-19 05:12:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:12:59,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-19 05:12:59,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 05:13:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 05:13:00,703 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 05:13:21,859 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 05:13:21,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887162374] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 05:13:21,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 05:13:21,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 34 [2024-10-19 05:13:21,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746464237] [2024-10-19 05:13:21,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 05:13:21,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-19 05:13:21,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 05:13:21,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-19 05:13:21,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=943, Unknown=0, NotChecked=0, Total=1190 [2024-10-19 05:13:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 05:13:21,868 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 05:13:21,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.9714285714285715) internal successors, (104), 34 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 05:13:21,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 05:13:25,760 INFO L85 PathProgramCache]: Analyzing trace with hash 532057052, now seen corresponding path program 1 times [2024-10-19 05:13:25,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:25,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:13:25,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 05:13:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:13:26,077 INFO L85 PathProgramCache]: Analyzing trace with hash 205655805, now seen corresponding path program 1 times [2024-10-19 05:13:26,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:26,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:13:34,978 WARN L873 $PredicateComparison]: unable to prove that (or (= c_~t~0 (* (div c_~t~0 4294967296) 4294967296)) (< c_~t~0 (+ (* 4294967296 (div (+ c_~t~0 (- 2)) 4294967296)) 4294967296)) (< c_~t~0 (+ 2 (* (div (+ (- 1) c_~t~0) 4294967296) 4294967296)))) is different from true [2024-10-19 05:13:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 47 proven. 18 refuted. 10 times theorem prover too weak. 19 trivial. 8 not checked. [2024-10-19 05:13:37,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:37,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:13:38,271 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 50 proven. 18 refuted. 9 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-19 05:13:38,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1481109529, now seen corresponding path program 1 times [2024-10-19 05:13:38,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:38,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:13:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 61 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-19 05:13:39,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:39,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:13:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 61 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-19 05:13:40,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1481109526, now seen corresponding path program 1 times [2024-10-19 05:13:40,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:40,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:13:40,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 05:13:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:13:41,274 INFO L85 PathProgramCache]: Analyzing trace with hash -413257505, now seen corresponding path program 1 times [2024-10-19 05:13:41,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:41,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:13:42,070 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-19 05:13:42,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:42,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:13:42,829 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-19 05:13:43,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1278761149, now seen corresponding path program 1 times [2024-10-19 05:13:43,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:43,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:13:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 58 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-19 05:13:44,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:44,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:13:46,562 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 58 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-19 05:13:46,790 INFO L85 PathProgramCache]: Analyzing trace with hash -528918104, now seen corresponding path program 1 times [2024-10-19 05:13:46,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:46,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:13:46,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 05:13:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:13:47,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1278761387, now seen corresponding path program 1 times [2024-10-19 05:13:47,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:47,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:13:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 53 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-19 05:13:50,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:50,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 05:13:53,215 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 53 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-19 05:13:53,529 INFO L85 PathProgramCache]: Analyzing trace with hash -529154308, now seen corresponding path program 1 times [2024-10-19 05:13:53,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:53,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:13:53,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 05:13:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:13:53,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1278760410, now seen corresponding path program 1 times [2024-10-19 05:13:53,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:53,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:13:53,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 05:13:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:13:54,382 INFO L85 PathProgramCache]: Analyzing trace with hash 796435260, now seen corresponding path program 1 times [2024-10-19 05:13:54,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:54,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:13:54,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 05:13:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 05:13:54,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-19 05:13:54,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-19 05:13:54,914 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,SelfDestructingSolverStorable20,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable10,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable22,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-19 05:13:54,915 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)] === [2024-10-19 05:13:54,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 05:13:54,916 INFO L85 PathProgramCache]: Analyzing trace with hash -537802660, now seen corresponding path program 2 times [2024-10-19 05:13:54,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 05:13:54,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848124484] [2024-10-19 05:13:54,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 05:13:54,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 05:13:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Killed by 15