./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 --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 01:10:09,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 01:10:09,266 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 01:10:09,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 01:10:09,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 01:10:09,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 01:10:09,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 01:10:09,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 01:10:09,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 01:10:09,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 01:10:09,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 01:10:09,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 01:10:09,311 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 01:10:09,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 01:10:09,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 01:10:09,313 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 01:10:09,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 01:10:09,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 01:10:09,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 01:10:09,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 01:10:09,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 01:10:09,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 01:10:09,317 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 01:10:09,318 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 01:10:09,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 01:10:09,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 01:10:09,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 01:10:09,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 01:10:09,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 01:10:09,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 01:10:09,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 01:10:09,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 01:10:09,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 01:10:09,321 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 01:10:09,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 01:10:09,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 01:10:09,323 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 01:10:09,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 01:10:09,323 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 01:10:09,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 01:10:09,324 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 01:10:09,324 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 -> 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 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 01:10:09,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 01:10:09,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 01:10:09,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 01:10:09,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 01:10:09,665 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 01:10:09,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-10-19 01:10:11,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 01:10:11,348 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 01:10:11,348 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-10-19 01:10:11,362 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fa3700000/405083db387742a1beda7aa30d6ffb7e/FLAG36d385a41 [2024-10-19 01:10:11,658 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fa3700000/405083db387742a1beda7aa30d6ffb7e [2024-10-19 01:10:11,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 01:10:11,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 01:10:11,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 01:10:11,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 01:10:11,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 01:10:11,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 01:10:11" (1/1) ... [2024-10-19 01:10:11,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7587b94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:11, skipping insertion in model container [2024-10-19 01:10:11,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 01:10:11" (1/1) ... [2024-10-19 01:10:11,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 01:10:11,900 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2024-10-19 01:10:12,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 01:10:12,097 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 01:10:12,109 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2024-10-19 01:10:12,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 01:10:12,213 INFO L204 MainTranslator]: Completed translation [2024-10-19 01:10:12,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:12 WrapperNode [2024-10-19 01:10:12,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 01:10:12,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 01:10:12,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 01:10:12,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 01:10:12,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:12" (1/1) ... [2024-10-19 01:10:12,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:12" (1/1) ... [2024-10-19 01:10:12,283 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 124 [2024-10-19 01:10:12,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 01:10:12,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 01:10:12,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 01:10:12,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 01:10:12,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:12" (1/1) ... [2024-10-19 01:10:12,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:12" (1/1) ... [2024-10-19 01:10:12,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:12" (1/1) ... [2024-10-19 01:10:12,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:12" (1/1) ... [2024-10-19 01:10:12,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:12" (1/1) ... [2024-10-19 01:10:12,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:12" (1/1) ... [2024-10-19 01:10:12,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:12" (1/1) ... [2024-10-19 01:10:12,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:12" (1/1) ... [2024-10-19 01:10:12,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 01:10:12,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 01:10:12,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 01:10:12,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 01:10:12,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:12" (1/1) ... [2024-10-19 01:10:12,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 01:10:12,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 01:10:12,376 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 01:10:12,378 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 01:10:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 01:10:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 01:10:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-19 01:10:12,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-19 01:10:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-19 01:10:12,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-19 01:10:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-19 01:10:12,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-19 01:10:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 01:10:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 01:10:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 01:10:12,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 01:10:12,420 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 01:10:12,540 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 01:10:12,542 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 01:10:12,858 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 01:10:12,858 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 01:10:13,087 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 01:10:13,088 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-19 01:10:13,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 01:10:13 BoogieIcfgContainer [2024-10-19 01:10:13,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 01:10:13,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 01:10:13,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 01:10:13,095 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 01:10:13,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 01:10:11" (1/3) ... [2024-10-19 01:10:13,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710d4cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 01:10:13, skipping insertion in model container [2024-10-19 01:10:13,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:10:12" (2/3) ... [2024-10-19 01:10:13,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710d4cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 01:10:13, skipping insertion in model container [2024-10-19 01:10:13,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 01:10:13" (3/3) ... [2024-10-19 01:10:13,099 INFO L112 eAbstractionObserver]: Analyzing ICFG mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-10-19 01:10:13,114 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 01:10:13,114 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-19 01:10:13,114 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 01:10:13,166 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-19 01:10:13,211 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 01:10:13,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 01:10:13,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 01:10:13,214 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 01:10:13,215 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 01:10:13,302 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 01:10:13,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:10:13,322 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 01:10:13,330 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;@5bdd71db, 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 01:10:13,331 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-19 01:10:33,067 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 01:10:33,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:10:33,069 INFO L85 PathProgramCache]: Analyzing trace with hash -806524906, now seen corresponding path program 1 times [2024-10-19 01:10:33,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:10:33,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035966456] [2024-10-19 01:10:33,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:10:33,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:10:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:10:33,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:10:33,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:10:33,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035966456] [2024-10-19 01:10:33,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035966456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:10:33,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:10:33,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 01:10:33,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735241283] [2024-10-19 01:10:33,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:10:33,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 01:10:33,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:10:33,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 01:10:33,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-19 01:10:33,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:10:33,908 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:10:33,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-19 01:10:33,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:10:34,283 INFO L85 PathProgramCache]: Analyzing trace with hash -805778445, now seen corresponding path program 1 times [2024-10-19 01:10:34,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:10:34,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:10:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:10:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:10:34,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:10:34,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:10:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:10:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:10:34,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 01:10:34,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-19 01:10:38,108 INFO L85 PathProgramCache]: Analyzing trace with hash -346008607, now seen corresponding path program 1 times [2024-10-19 01:10:38,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:10:38,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:10:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:10:38,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:10:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:10:38,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-19 01:10:38,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-19 01:10:38,409 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 01:10:38,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:10:38,410 INFO L85 PathProgramCache]: Analyzing trace with hash 308584623, now seen corresponding path program 1 times [2024-10-19 01:10:38,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:10:38,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128343482] [2024-10-19 01:10:38,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:10:38,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:10:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:10:38,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:10:38,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:10:38,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128343482] [2024-10-19 01:10:38,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128343482] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:10:38,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:10:38,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 01:10:38,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678408559] [2024-10-19 01:10:38,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:10:38,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 01:10:38,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:10:38,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 01:10:38,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-19 01:10:38,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:10:38,790 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:10:38,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 01:10:38,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-19 01:10:38,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:10:38,968 INFO L85 PathProgramCache]: Analyzing trace with hash -346008600, now seen corresponding path program 1 times [2024-10-19 01:10:38,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:10:38,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:10:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:10:39,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:10:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:10:39,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1071003502, now seen corresponding path program 1 times [2024-10-19 01:10:39,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:10:39,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:10:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:10:39,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:10:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:10:40,187 INFO L85 PathProgramCache]: Analyzing trace with hash -602411974, now seen corresponding path program 1 times [2024-10-19 01:10:40,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:10:40,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:10:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:10:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:10:41,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:10:41,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:10:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:10:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:10:41,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 01:10:41,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-10-19 01:10:41,723 INFO L85 PathProgramCache]: Analyzing trace with hash -346008579, now seen corresponding path program 1 times [2024-10-19 01:10:41,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:10:41,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:10:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:10:41,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:10:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:10:41,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1071003481, now seen corresponding path program 1 times [2024-10-19 01:10:41,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:10:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:10:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:10:41,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:10:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:25,395 INFO L85 PathProgramCache]: Analyzing trace with hash 89030305, now seen corresponding path program 1 times [2024-10-19 01:11:25,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:11:25,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:11:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:25,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:11:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:52,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1260872756, now seen corresponding path program 1 times [2024-10-19 01:11:52,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:11:52,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:11:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:52,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:11:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:11:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-19 01:11:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:11:53,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9 [2024-10-19 01:11:53,175 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)] === [2024-10-19 01:11:53,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:11:53,175 INFO L85 PathProgramCache]: Analyzing trace with hash 996941683, now seen corresponding path program 2 times [2024-10-19 01:11:53,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:11:53,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902485371] [2024-10-19 01:11:53,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:11:53,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:11:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:11:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:11:53,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:11:53,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902485371] [2024-10-19 01:11:53,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902485371] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:11:53,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:11:53,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-19 01:11:53,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444175262] [2024-10-19 01:11:53,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:11:53,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-19 01:11:53,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:11:53,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-19 01:11:53,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-19 01:11:53,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:11:53,502 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:11:53,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 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 01:11:53,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-19 01:11:53,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:11:53,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:12:18,839 INFO L85 PathProgramCache]: Analyzing trace with hash 89030355, now seen corresponding path program 1 times [2024-10-19 01:12:18,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:12:18,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:12:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:12:18,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:12:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:12:35,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1260872802, now seen corresponding path program 1 times [2024-10-19 01:12:35,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:12:35,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:12:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:12:36,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:12:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:12:52,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1997832632, now seen corresponding path program 1 times [2024-10-19 01:12:52,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:12:52,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:12:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:12:52,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:12:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:14:05,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1602396892, now seen corresponding path program 1 times [2024-10-19 01:14:05,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:14:05,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:14:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:14:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:14:05,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:14:05,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:14:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:14:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:14:05,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 01:14:05,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-10-19 01:18:53,541 INFO L85 PathProgramCache]: Analyzing trace with hash 2114378988, now seen corresponding path program 1 times [2024-10-19 01:18:53,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:18:53,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:18:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:53,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:18:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:55,605 INFO L85 PathProgramCache]: Analyzing trace with hash -199592289, now seen corresponding path program 1 times [2024-10-19 01:18:55,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:18:55,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:18:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:55,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:18:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:57,899 INFO L85 PathProgramCache]: Analyzing trace with hash 696518341, now seen corresponding path program 1 times [2024-10-19 01:18:57,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:18:57,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:18:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:57,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:18:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:59,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1493690164, now seen corresponding path program 1 times [2024-10-19 01:18:59,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:18:59,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:18:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:59,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:18:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:19:02,141 INFO L85 PathProgramCache]: Analyzing trace with hash -219614485, now seen corresponding path program 1 times [2024-10-19 01:19:02,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:19:02,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:19:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:19:02,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:19:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:21:43,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 01:21:43,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:21:43,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-19 01:21:43,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-19 01:21:43,282 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)] === [2024-10-19 01:21:43,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:21:43,283 INFO L85 PathProgramCache]: Analyzing trace with hash 2004490085, now seen corresponding path program 3 times [2024-10-19 01:21:43,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:21:43,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374759386] [2024-10-19 01:21:43,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:21:43,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:21:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:21:43,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 01:21:43,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:21:43,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374759386] [2024-10-19 01:21:43,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374759386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:21:43,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:21:43,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 01:21:43,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174285513] [2024-10-19 01:21:43,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:21:43,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 01:21:43,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:21:43,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 01:21:43,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-19 01:21:43,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:21:43,521 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:21:43,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 01:21:43,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 01:21:43,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 01:21:43,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-19 01:21:43,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15