./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --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/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.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 76dbb78f4fe406633111c7d7e2c1e8bd933a1f67e6e1cf5d4cbd1b0379bfe086 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --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 [2024-10-18 20:07:30,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 20:07:30,176 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 20:07:30,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 20:07:30,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 20:07:30,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 20:07:30,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 20:07:30,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 20:07:30,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 20:07:30,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 20:07:30,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 20:07:30,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 20:07:30,207 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 20:07:30,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 20:07:30,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 20:07:30,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 20:07:30,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 20:07:30,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 20:07:30,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 20:07:30,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 20:07:30,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 20:07:30,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 20:07:30,214 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 20:07:30,214 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 20:07:30,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 20:07:30,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 20:07:30,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 20:07:30,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 20:07:30,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 20:07:30,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 20:07:30,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 20:07:30,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 20:07:30,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 20:07:30,218 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 20:07:30,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 20:07:30,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 20:07:30,218 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 20:07:30,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 20:07:30,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 20:07:30,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 20:07:30,219 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 20:07:30,221 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 -> 76dbb78f4fe406633111c7d7e2c1e8bd933a1f67e6e1cf5d4cbd1b0379bfe086 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 -> DEFAULT 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 [2024-10-18 20:07:30,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 20:07:30,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 20:07:30,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 20:07:30,519 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 20:07:30,519 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 20:07:30,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-10-18 20:07:31,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 20:07:32,183 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 20:07:32,184 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-10-18 20:07:32,205 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b5c71e7fb/2f06400b0d464056aec29205732818bc/FLAG2a8fedbcd [2024-10-18 20:07:32,483 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b5c71e7fb/2f06400b0d464056aec29205732818bc [2024-10-18 20:07:32,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 20:07:32,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 20:07:32,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 20:07:32,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 20:07:32,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 20:07:32,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:07:32" (1/1) ... [2024-10-18 20:07:32,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25353338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:32, skipping insertion in model container [2024-10-18 20:07:32,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:07:32" (1/1) ... [2024-10-18 20:07:32,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 20:07:32,725 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/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i[979,992] [2024-10-18 20:07:32,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 20:07:32,957 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 20:07:32,969 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/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i[979,992] [2024-10-18 20:07:33,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 20:07:33,081 INFO L204 MainTranslator]: Completed translation [2024-10-18 20:07:33,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:33 WrapperNode [2024-10-18 20:07:33,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 20:07:33,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 20:07:33,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 20:07:33,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 20:07:33,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:33" (1/1) ... [2024-10-18 20:07:33,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:33" (1/1) ... [2024-10-18 20:07:33,127 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127 [2024-10-18 20:07:33,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 20:07:33,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 20:07:33,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 20:07:33,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 20:07:33,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:33" (1/1) ... [2024-10-18 20:07:33,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:33" (1/1) ... [2024-10-18 20:07:33,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:33" (1/1) ... [2024-10-18 20:07:33,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:33" (1/1) ... [2024-10-18 20:07:33,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:33" (1/1) ... [2024-10-18 20:07:33,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:33" (1/1) ... [2024-10-18 20:07:33,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:33" (1/1) ... [2024-10-18 20:07:33,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:33" (1/1) ... [2024-10-18 20:07:33,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 20:07:33,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 20:07:33,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 20:07:33,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 20:07:33,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:33" (1/1) ... [2024-10-18 20:07:33,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 20:07:33,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 20:07:33,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 20:07:33,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 20:07:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 20:07:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 20:07:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 20:07:33,253 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 20:07:33,254 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 20:07:33,254 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 20:07:33,254 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 20:07:33,254 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 20:07:33,254 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-18 20:07:33,254 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-18 20:07:33,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 20:07:33,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 20:07:33,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 20:07:33,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 20:07:33,258 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 20:07:33,378 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 20:07:33,380 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 20:07:33,650 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 20:07:33,651 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 20:07:33,847 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 20:07:33,847 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 20:07:33,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:07:33 BoogieIcfgContainer [2024-10-18 20:07:33,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 20:07:33,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 20:07:33,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 20:07:33,854 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 20:07:33,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 08:07:32" (1/3) ... [2024-10-18 20:07:33,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2393e445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:07:33, skipping insertion in model container [2024-10-18 20:07:33,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:07:33" (2/3) ... [2024-10-18 20:07:33,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2393e445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:07:33, skipping insertion in model container [2024-10-18 20:07:33,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:07:33" (3/3) ... [2024-10-18 20:07:33,858 INFO L112 eAbstractionObserver]: Analyzing ICFG mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-10-18 20:07:33,874 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 20:07:33,875 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-18 20:07:33,875 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 20:07:33,958 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 20:07:34,006 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 20:07:34,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 20:07:34,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 20:07:34,009 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 20:07:34,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 20:07:34,119 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 20:07:34,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:07:34,137 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 20:07:34,143 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;@3ceeee02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 20:07:34,143 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-18 20:08:04,416 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 20:08:04,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:08:04,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1331386007, now seen corresponding path program 1 times [2024-10-18 20:08:04,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:08:04,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401151709] [2024-10-18 20:08:04,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:08:04,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:08:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:08:05,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:08:05,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:08:05,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401151709] [2024-10-18 20:08:05,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401151709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:08:05,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:08:05,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 20:08:05,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672693135] [2024-10-18 20:08:05,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:08:05,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 20:08:05,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:08:05,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 20:08:05,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-18 20:08:05,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:08:05,437 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:08:05,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) 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) [2024-10-18 20:08:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:08:08,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1664902114, now seen corresponding path program 1 times [2024-10-18 20:08:08,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:08:08,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:08:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:08:08,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:08:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:08:09,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 20:08:09,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-18 20:08:09,049 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 20:08:09,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:08:09,050 INFO L85 PathProgramCache]: Analyzing trace with hash 651568167, now seen corresponding path program 1 times [2024-10-18 20:08:09,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:08:09,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044086004] [2024-10-18 20:08:09,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:08:09,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:08:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:08:09,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:08:09,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:08:09,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044086004] [2024-10-18 20:08:09,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044086004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:08:09,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:08:09,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 20:08:09,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465719253] [2024-10-18 20:08:09,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:08:09,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 20:08:09,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:08:09,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 20:08:09,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 20:08:09,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:08:09,506 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:08:09,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 20:08:09,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 20:08:09,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:08:09,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1664902107, now seen corresponding path program 1 times [2024-10-18 20:08:09,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:08:09,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:08:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:08:09,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:08:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:08:09,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1753125692, now seen corresponding path program 1 times [2024-10-18 20:08:09,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:08:09,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:08:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:08:10,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:08:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:08:10,874 INFO L85 PathProgramCache]: Analyzing trace with hash 892624247, now seen corresponding path program 1 times [2024-10-18 20:08:10,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:08:10,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:08:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:08:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:08:11,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:08:11,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:08:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:08:11,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:08:11,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 20:08:11,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-18 20:08:12,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1664902088, now seen corresponding path program 1 times [2024-10-18 20:08:12,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:08:12,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:08:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:08:12,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:08:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:08:12,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1753125711, now seen corresponding path program 1 times [2024-10-18 20:08:12,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:08:12,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:08:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:08:12,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:08:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:08:56,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1143931390, now seen corresponding path program 1 times [2024-10-18 20:08:56,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:08:56,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:08:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:08:56,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:08:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:09:23,976 INFO L85 PathProgramCache]: Analyzing trace with hash 868782963, now seen corresponding path program 1 times [2024-10-18 20:09:23,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:09:23,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:09:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:09:23,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:09:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:09:24,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 20:09:24,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 20:09:24,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-10-18 20:09:24,184 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 20:09:24,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:09:24,184 INFO L85 PathProgramCache]: Analyzing trace with hash -33781141, now seen corresponding path program 2 times [2024-10-18 20:09:24,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:09:24,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111572722] [2024-10-18 20:09:24,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:09:24,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:09:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:09:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:09:24,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:09:24,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111572722] [2024-10-18 20:09:24,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111572722] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:09:24,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:09:24,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-18 20:09:24,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925332862] [2024-10-18 20:09:24,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:09:24,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-18 20:09:24,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:09:24,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-18 20:09:24,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-18 20:09:24,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:09:24,908 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:09:24,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 20:09:24,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 20:09:24,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 20:09:24,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:09:56,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1143931460, now seen corresponding path program 1 times [2024-10-18 20:09:56,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:09:56,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:09:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:09:56,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:09:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:10:18,614 INFO L85 PathProgramCache]: Analyzing trace with hash 868783031, now seen corresponding path program 1 times [2024-10-18 20:10:18,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:10:18,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:10:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:10:18,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:10:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:10:34,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1218749553, now seen corresponding path program 1 times [2024-10-18 20:10:34,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:10:34,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:10:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:10:34,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:10:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:11:56,133 INFO L85 PathProgramCache]: Analyzing trace with hash -396926280, now seen corresponding path program 1 times [2024-10-18 20:11:56,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:11:56,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:11:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:11:56,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:11:56,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:11:56,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:11:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:11:56,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:11:56,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 20:11:56,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 20:16:09,491 INFO L85 PathProgramCache]: Analyzing trace with hash -126633154, now seen corresponding path program 1 times [2024-10-18 20:16:09,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:16:09,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:16:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:16:09,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:16:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat Killed by 15