./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe027_power.oepc.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/safe027_power.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 a9d301fd24d7dbc3684a100e80ac453023513d8631f488025251adcc1a8646b5 --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 02:54:02,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 02:54:02,437 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 02:54:02,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 02:54:02,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 02:54:02,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 02:54:02,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 02:54:02,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 02:54:02,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 02:54:02,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 02:54:02,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 02:54:02,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 02:54:02,462 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 02:54:02,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 02:54:02,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 02:54:02,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 02:54:02,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 02:54:02,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 02:54:02,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 02:54:02,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 02:54:02,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 02:54:02,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 02:54:02,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 02:54:02,468 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 02:54:02,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 02:54:02,468 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 02:54:02,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 02:54:02,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 02:54:02,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 02:54:02,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 02:54:02,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 02:54:02,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 02:54:02,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 02:54:02,469 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 02:54:02,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 02:54:02,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 02:54:02,470 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 02:54:02,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 02:54:02,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 02:54:02,470 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 02:54:02,470 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 02:54:02,471 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 -> a9d301fd24d7dbc3684a100e80ac453023513d8631f488025251adcc1a8646b5 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 02:54:02,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 02:54:02,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 02:54:02,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 02:54:02,679 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 02:54:02,679 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 02:54:02,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_power.oepc.i [2024-10-19 02:54:03,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 02:54:04,115 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 02:54:04,116 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_power.oepc.i [2024-10-19 02:54:04,128 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/77b2458f3/8f345d38a9d748fc9714c13f358726a9/FLAGafa07efd8 [2024-10-19 02:54:04,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/77b2458f3/8f345d38a9d748fc9714c13f358726a9 [2024-10-19 02:54:04,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 02:54:04,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 02:54:04,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 02:54:04,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 02:54:04,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 02:54:04,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:54:04" (1/1) ... [2024-10-19 02:54:04,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a9bca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04, skipping insertion in model container [2024-10-19 02:54:04,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:54:04" (1/1) ... [2024-10-19 02:54:04,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 02:54:04,379 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/safe027_power.oepc.i[995,1008] [2024-10-19 02:54:04,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 02:54:04,513 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 02:54:04,521 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/safe027_power.oepc.i[995,1008] [2024-10-19 02:54:04,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 02:54:04,596 INFO L204 MainTranslator]: Completed translation [2024-10-19 02:54:04,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04 WrapperNode [2024-10-19 02:54:04,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 02:54:04,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 02:54:04,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 02:54:04,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 02:54:04,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04" (1/1) ... [2024-10-19 02:54:04,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04" (1/1) ... [2024-10-19 02:54:04,642 INFO L138 Inliner]: procedures = 176, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 137 [2024-10-19 02:54:04,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 02:54:04,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 02:54:04,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 02:54:04,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 02:54:04,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04" (1/1) ... [2024-10-19 02:54:04,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04" (1/1) ... [2024-10-19 02:54:04,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04" (1/1) ... [2024-10-19 02:54:04,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04" (1/1) ... [2024-10-19 02:54:04,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04" (1/1) ... [2024-10-19 02:54:04,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04" (1/1) ... [2024-10-19 02:54:04,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04" (1/1) ... [2024-10-19 02:54:04,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04" (1/1) ... [2024-10-19 02:54:04,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 02:54:04,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 02:54:04,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 02:54:04,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 02:54:04,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04" (1/1) ... [2024-10-19 02:54:04,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 02:54:04,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 02:54:04,703 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 02:54:04,709 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 02:54:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-19 02:54:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-19 02:54:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 02:54:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 02:54:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-19 02:54:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-19 02:54:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-19 02:54:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-19 02:54:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-19 02:54:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-19 02:54:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-19 02:54:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-19 02:54:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 02:54:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 02:54:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 02:54:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 02:54:04,748 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 02:54:04,877 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 02:54:04,879 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 02:54:05,183 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 02:54:05,183 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 02:54:05,452 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 02:54:05,452 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-19 02:54:05,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:54:05 BoogieIcfgContainer [2024-10-19 02:54:05,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 02:54:05,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 02:54:05,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 02:54:05,457 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 02:54:05,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:54:04" (1/3) ... [2024-10-19 02:54:05,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6d4838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:54:05, skipping insertion in model container [2024-10-19 02:54:05,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:54:04" (2/3) ... [2024-10-19 02:54:05,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6d4838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:54:05, skipping insertion in model container [2024-10-19 02:54:05,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:54:05" (3/3) ... [2024-10-19 02:54:05,459 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_power.oepc.i [2024-10-19 02:54:05,472 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 02:54:05,473 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-19 02:54:05,473 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 02:54:05,520 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-19 02:54:05,549 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 02:54:05,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 02:54:05,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 02:54:05,552 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 02:54:05,553 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 02:54:05,645 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 02:54:05,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:54:05,660 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 02:54:05,665 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;@b96b537, 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 02:54:05,665 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-19 02:54:53,121 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)] === [2024-10-19 02:54:53,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:54:53,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1487604132, now seen corresponding path program 1 times [2024-10-19 02:54:53,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 02:54:53,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584932093] [2024-10-19 02:54:53,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:54:53,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:54:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:54:53,789 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 02:54:53,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 02:54:53,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584932093] [2024-10-19 02:54:53,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584932093] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 02:54:53,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 02:54:53,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 02:54:53,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42866639] [2024-10-19 02:54:53,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 02:54:53,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-19 02:54:53,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 02:54:53,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-19 02:54:53,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-19 02:54:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:54:53,818 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 02:54:53,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 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 02:54:53,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:55:03,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1940933784, now seen corresponding path program 1 times [2024-10-19 02:55:03,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:55:03,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:55:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:55:03,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:55:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:55:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 02:55:03,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-19 02:55:03,584 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)] === [2024-10-19 02:55:03,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:55:03,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1888220388, now seen corresponding path program 1 times [2024-10-19 02:55:03,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 02:55:03,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7173714] [2024-10-19 02:55:03,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:55:03,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:55:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:55:03,985 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 02:55:03,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 02:55:03,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7173714] [2024-10-19 02:55:03,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7173714] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 02:55:03,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 02:55:03,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-19 02:55:03,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402040558] [2024-10-19 02:55:03,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 02:55:03,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-19 02:55:03,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 02:55:03,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-19 02:55:03,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-19 02:55:03,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:55:03,989 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 02:55:03,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 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 02:55:03,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-19 02:55:03,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:55:04,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1940933777, now seen corresponding path program 1 times [2024-10-19 02:55:04,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:55:04,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:55:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:55:04,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:55:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:55:04,356 INFO L85 PathProgramCache]: Analyzing trace with hash 915697379, now seen corresponding path program 1 times [2024-10-19 02:55:04,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:55:04,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:55:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:55:04,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:55:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:55:35,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-19 02:55:35,044 INFO L85 PathProgramCache]: Analyzing trace with hash 811286394, now seen corresponding path program 1 times [2024-10-19 02:55:35,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:55:35,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:55:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:55:35,194 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 02:55:35,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:55:35,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:55:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:55:35,353 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 02:55:35,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 02:55:35,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-19 02:55:35,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1940933756, now seen corresponding path program 1 times [2024-10-19 02:55:35,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:55:35,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:55:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:55:35,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:55:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:55:35,583 INFO L85 PathProgramCache]: Analyzing trace with hash 915697400, now seen corresponding path program 1 times [2024-10-19 02:55:35,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:55:35,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:55:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:55:35,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:55:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:56:40,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-19 02:56:42,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1687804353, now seen corresponding path program 1 times [2024-10-19 02:56:42,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:56:42,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:56:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:56:42,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:56:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:56:56,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 61 [2024-10-19 02:56:56,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-19 02:57:00,334 INFO L85 PathProgramCache]: Analyzing trace with hash -499743129, now seen corresponding path program 1 times [2024-10-19 02:57:00,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:57:00,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:57:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:57:00,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:57:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:57:08,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-19 02:57:08,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-19 02:57:11,392 INFO L85 PathProgramCache]: Analyzing trace with hash 538069117, now seen corresponding path program 1 times [2024-10-19 02:57:11,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:57:11,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:57:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:57:11,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:57:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:57:53,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 61 [2024-10-19 02:57:53,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 61 [2024-10-19 02:57:53,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-19 02:57:57,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1527543318, now seen corresponding path program 1 times [2024-10-19 02:57:57,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:57:57,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:57:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:57:57,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:57:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:58:05,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 61 [2024-10-19 02:58:05,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-19 02:58:05,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-19 02:58:10,001 INFO L85 PathProgramCache]: Analyzing trace with hash -504912808, now seen corresponding path program 1 times [2024-10-19 02:58:10,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:58:10,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:58:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:58:10,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:58:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:59:42,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-19 02:59:43,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1713930126, now seen corresponding path program 1 times [2024-10-19 02:59:43,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:59:43,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:59:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:59:43,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:59:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 03:00:43,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-19 03:00:44,031 INFO L85 PathProgramCache]: Analyzing trace with hash -696168613, now seen corresponding path program 1 times [2024-10-19 03:00:44,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:00:44,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:00:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:00:44,162 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 03:00:44,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:00:44,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:00:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 03:00:44,304 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 03:00:44,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-19 03:00:44,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-19 03:03:54,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 61 [2024-10-19 03:03:54,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 61 [2024-10-19 03:03:54,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-19 03:03:55,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1713929980, now seen corresponding path program 1 times [2024-10-19 03:03:55,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:03:55,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:03:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 03:03:55,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 03:03:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 03:08:07,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 61 [2024-10-19 03:08:07,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 61 [2024-10-19 03:08:07,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-19 03:08:10,640 INFO L85 PathProgramCache]: Analyzing trace with hash -644435064, now seen corresponding path program 1 times [2024-10-19 03:08:10,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 03:08:10,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 03:08:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 03:08:10,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 03:08:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat Killed by 15