./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34f393fd72a97393a0a39d407b9330aa7c1c7e210ad76310ea88c9427f882106 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --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 10:22:36,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 10:22:37,068 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 10:22:37,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 10:22:37,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 10:22:37,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 10:22:37,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 10:22:37,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 10:22:37,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 10:22:37,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 10:22:37,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 10:22:37,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 10:22:37,109 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 10:22:37,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 10:22:37,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 10:22:37,114 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 10:22:37,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 10:22:37,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 10:22:37,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 10:22:37,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 10:22:37,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 10:22:37,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 10:22:37,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 10:22:37,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 10:22:37,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 10:22:37,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 10:22:37,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 10:22:37,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 10:22:37,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 10:22:37,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 10:22:37,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 10:22:37,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 10:22:37,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 10:22:37,119 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 10:22:37,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 10:22:37,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 10:22:37,120 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 10:22:37,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 10:22:37,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 10:22:37,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 10:22:37,123 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 10:22:37,123 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 -> 34f393fd72a97393a0a39d407b9330aa7c1c7e210ad76310ea88c9427f882106 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 -> LOOP 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 10:22:37,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 10:22:37,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 10:22:37,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 10:22:37,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 10:22:37,448 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 10:22:37,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-10-19 10:22:38,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 10:22:39,061 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 10:22:39,061 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-10-19 10:22:39,071 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6863008e4/d8e82db69b62467e885df70cdfac7f05/FLAG1c13f56b0 [2024-10-19 10:22:39,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6863008e4/d8e82db69b62467e885df70cdfac7f05 [2024-10-19 10:22:39,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 10:22:39,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 10:22:39,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 10:22:39,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 10:22:39,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 10:22:39,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:39" (1/1) ... [2024-10-19 10:22:39,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c41b9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39, skipping insertion in model container [2024-10-19 10:22:39,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:22:39" (1/1) ... [2024-10-19 10:22:39,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 10:22:39,451 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c[3425,3438] [2024-10-19 10:22:39,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 10:22:39,470 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 10:22:39,491 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c[3425,3438] [2024-10-19 10:22:39,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 10:22:39,509 INFO L204 MainTranslator]: Completed translation [2024-10-19 10:22:39,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39 WrapperNode [2024-10-19 10:22:39,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 10:22:39,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 10:22:39,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 10:22:39,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 10:22:39,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39" (1/1) ... [2024-10-19 10:22:39,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39" (1/1) ... [2024-10-19 10:22:39,547 INFO L138 Inliner]: procedures = 23, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-10-19 10:22:39,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 10:22:39,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 10:22:39,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 10:22:39,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 10:22:39,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39" (1/1) ... [2024-10-19 10:22:39,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39" (1/1) ... [2024-10-19 10:22:39,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39" (1/1) ... [2024-10-19 10:22:39,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39" (1/1) ... [2024-10-19 10:22:39,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39" (1/1) ... [2024-10-19 10:22:39,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39" (1/1) ... [2024-10-19 10:22:39,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39" (1/1) ... [2024-10-19 10:22:39,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39" (1/1) ... [2024-10-19 10:22:39,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 10:22:39,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 10:22:39,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 10:22:39,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 10:22:39,582 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39" (1/1) ... [2024-10-19 10:22:39,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 10:22:39,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 10:22:39,618 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 10:22:39,622 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 10:22:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 10:22:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-19 10:22:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-19 10:22:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-19 10:22:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-19 10:22:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-19 10:22:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-19 10:22:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-19 10:22:39,677 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-19 10:22:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 10:22:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 10:22:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 10:22:39,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 10:22:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 10:22:39,681 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 10:22:39,790 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 10:22:39,793 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 10:22:40,029 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 10:22:40,033 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 10:22:40,207 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 10:22:40,210 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-19 10:22:40,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:40 BoogieIcfgContainer [2024-10-19 10:22:40,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 10:22:40,213 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 10:22:40,213 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 10:22:40,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 10:22:40,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:22:39" (1/3) ... [2024-10-19 10:22:40,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214766e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:40, skipping insertion in model container [2024-10-19 10:22:40,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:22:39" (2/3) ... [2024-10-19 10:22:40,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214766e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:22:40, skipping insertion in model container [2024-10-19 10:22:40,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:22:40" (3/3) ... [2024-10-19 10:22:40,223 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2024-10-19 10:22:40,237 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 10:22:40,238 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-19 10:22:40,238 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 10:22:40,292 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-19 10:22:40,339 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 10:22:40,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 10:22:40,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 10:22:40,341 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 10:22:40,343 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 10:22:40,433 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 10:22:40,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 10:22:40,462 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 10:22:40,470 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;@e3c425, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-19 10:22:40,471 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-19 10:22:42,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1319336211, now seen corresponding path program 1 times [2024-10-19 10:22:42,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:42,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:22:42,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:22:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:22:43,060 INFO L85 PathProgramCache]: Analyzing trace with hash 315845899, now seen corresponding path program 1 times [2024-10-19 10:22:43,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:43,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:22:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:22:44,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:44,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:22:44,873 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:22:45,078 INFO L85 PathProgramCache]: Analyzing trace with hash 564378235, now seen corresponding path program 1 times [2024-10-19 10:22:45,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:45,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:22:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:22:46,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:46,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:22:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:22:47,338 INFO L85 PathProgramCache]: Analyzing trace with hash -650195850, now seen corresponding path program 1 times [2024-10-19 10:22:47,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:47,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:22:47,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:22:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:22:47,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1919442332, now seen corresponding path program 1 times [2024-10-19 10:22:47,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:47,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:22:47,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:22:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:22:47,827 INFO L85 PathProgramCache]: Analyzing trace with hash -353724898, now seen corresponding path program 1 times [2024-10-19 10:22:47,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:47,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:22:47,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:22:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:22:48,086 INFO L85 PathProgramCache]: Analyzing trace with hash 2029253642, now seen corresponding path program 1 times [2024-10-19 10:22:48,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:48,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:22:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:22:50,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:50,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:22:51,621 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:22:51,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1828663500, now seen corresponding path program 1 times [2024-10-19 10:22:51,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:51,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:22:51,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:22:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:22:51,990 INFO L85 PathProgramCache]: Analyzing trace with hash 347032218, now seen corresponding path program 1 times [2024-10-19 10:22:51,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:51,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:22:53,114 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:22:53,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:53,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:22:53,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:22:54,082 INFO L85 PathProgramCache]: Analyzing trace with hash -627276706, now seen corresponding path program 1 times [2024-10-19 10:22:54,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:54,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:22:55,862 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:22:55,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:55,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:22:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:22:57,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1919428109, now seen corresponding path program 1 times [2024-10-19 10:22:57,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:57,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:22:59,153 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:22:59,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:22:59,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:22:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:00,267 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:00,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1919429071, now seen corresponding path program 1 times [2024-10-19 10:23:00,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:00,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:23:00,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:23:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:23:00,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1928251811, now seen corresponding path program 1 times [2024-10-19 10:23:00,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:00,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:23:00,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:23:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:23:00,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1630143622, now seen corresponding path program 1 times [2024-10-19 10:23:00,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:00,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:02,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:02,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:03,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1005157393, now seen corresponding path program 1 times [2024-10-19 10:23:03,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:03,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:04,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:04,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:05,571 INFO L85 PathProgramCache]: Analyzing trace with hash -640151217, now seen corresponding path program 1 times [2024-10-19 10:23:05,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:05,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:07,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:07,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:08,005 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:08,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1630146570, now seen corresponding path program 1 times [2024-10-19 10:23:08,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:08,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:09,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:10,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1092279590, now seen corresponding path program 1 times [2024-10-19 10:23:10,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:10,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:23:10,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:23:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:23:10,891 INFO L85 PathProgramCache]: Analyzing trace with hash 499068773, now seen corresponding path program 1 times [2024-10-19 10:23:10,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:10,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:11,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:11,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:12,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1708692467, now seen corresponding path program 1 times [2024-10-19 10:23:12,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:12,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:15,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:15,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:16,834 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:17,001 INFO L85 PathProgramCache]: Analyzing trace with hash 499069736, now seen corresponding path program 1 times [2024-10-19 10:23:17,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:17,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:18,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:18,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:18,884 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:19,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1005066525, now seen corresponding path program 1 times [2024-10-19 10:23:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:19,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:23:19,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:23:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:23:19,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1630146142, now seen corresponding path program 1 times [2024-10-19 10:23:19,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:19,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:23:19,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 10:23:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 10:23:19,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1630147104, now seen corresponding path program 1 times [2024-10-19 10:23:19,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:19,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:20,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:20,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:21,194 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:21,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1928252784, now seen corresponding path program 1 times [2024-10-19 10:23:21,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:21,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-19 10:23:21,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:21,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-19 10:23:21,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1924085126, now seen corresponding path program 1 times [2024-10-19 10:23:21,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:21,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:22,065 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-19 10:23:22,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:22,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-19 10:23:22,376 INFO L85 PathProgramCache]: Analyzing trace with hash -62067630, now seen corresponding path program 1 times [2024-10-19 10:23:22,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:22,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:22,553 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-19 10:23:22,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:22,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:22,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-19 10:23:22,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1526023171, now seen corresponding path program 1 times [2024-10-19 10:23:22,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:22,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-19 10:23:22,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:22,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:23,070 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-19 10:23:23,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1526022209, now seen corresponding path program 1 times [2024-10-19 10:23:23,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:23,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:24,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:24,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:23:25,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1672478937, now seen corresponding path program 1 times [2024-10-19 10:23:25,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:25,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:25,288 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-19 10:23:25,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:25,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:25,445 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-19 10:23:25,451 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 10:23:25,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 10:23:25,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1752138499, now seen corresponding path program 1 times [2024-10-19 10:23:25,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 10:23:25,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685512441] [2024-10-19 10:23:25,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:25,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-19 10:23:25,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 10:23:25,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685512441] [2024-10-19 10:23:25,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685512441] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 10:23:25,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 10:23:25,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 10:23:25,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197519086] [2024-10-19 10:23:25,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 10:23:25,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 10:23:25,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 10:23:25,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 10:23:25,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-19 10:23:25,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:23:25,684 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 10:23:25,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 10:23:25,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:23:27,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:27,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-10-19 10:23:27,081 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 10:23:27,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 10:23:27,082 INFO L85 PathProgramCache]: Analyzing trace with hash -506789776, now seen corresponding path program 2 times [2024-10-19 10:23:27,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 10:23:27,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801837048] [2024-10-19 10:23:27,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:27,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:28,786 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 111 proven. 94 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-19 10:23:28,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 10:23:28,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801837048] [2024-10-19 10:23:28,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801837048] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 10:23:28,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617245864] [2024-10-19 10:23:28,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-19 10:23:28,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 10:23:28,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 10:23:28,848 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 10:23:28,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-19 10:23:28,939 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-19 10:23:28,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 10:23:28,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-19 10:23:28,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 10:23:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-10-19 10:23:29,037 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-19 10:23:29,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617245864] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 10:23:29,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-19 10:23:29,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [18] total 22 [2024-10-19 10:23:29,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911314794] [2024-10-19 10:23:29,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 10:23:29,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-19 10:23:29,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 10:23:29,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 10:23:29,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2024-10-19 10:23:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:23:29,041 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 10:23:29,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 10:23:29,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:29,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:23:30,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:30,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:30,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-19 10:23:31,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-10-19 10:23:31,091 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)] === [2024-10-19 10:23:31,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 10:23:31,092 INFO L85 PathProgramCache]: Analyzing trace with hash 564381910, now seen corresponding path program 3 times [2024-10-19 10:23:31,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 10:23:31,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517767992] [2024-10-19 10:23:31,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:31,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:31,387 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-10-19 10:23:31,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 10:23:31,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517767992] [2024-10-19 10:23:31,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517767992] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 10:23:31,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536140714] [2024-10-19 10:23:31,388 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-19 10:23:31,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 10:23:31,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 10:23:31,390 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 10:23:31,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-19 10:23:31,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-10-19 10:23:31,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 10:23:31,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-19 10:23:31,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 10:23:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-10-19 10:23:31,570 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 10:23:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-10-19 10:23:31,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536140714] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 10:23:31,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 10:23:31,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-19 10:23:31,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745918251] [2024-10-19 10:23:31,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 10:23:31,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-19 10:23:31,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 10:23:31,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-19 10:23:31,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-19 10:23:31,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:23:31,666 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 10:23:31,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 13 states have internal predecessors, (80), 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 10:23:31,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:31,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:31,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:23:33,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:33,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:33,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 10:23:33,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-19 10:23:33,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 10:23:33,891 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-19 10:23:33,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 10:23:33,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1323657417, now seen corresponding path program 4 times [2024-10-19 10:23:33,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 10:23:33,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793179773] [2024-10-19 10:23:33,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:33,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:37,969 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 438 proven. 298 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-19 10:23:37,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 10:23:37,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793179773] [2024-10-19 10:23:37,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793179773] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 10:23:37,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797724523] [2024-10-19 10:23:37,970 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-19 10:23:37,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 10:23:37,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 10:23:37,971 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 10:23:37,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-19 10:23:38,070 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-19 10:23:38,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 10:23:38,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-19 10:23:38,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 10:23:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-10-19 10:23:38,151 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-19 10:23:38,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797724523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 10:23:38,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-19 10:23:38,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [24] total 28 [2024-10-19 10:23:38,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194059822] [2024-10-19 10:23:38,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 10:23:38,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-19 10:23:38,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 10:23:38,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 10:23:38,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2024-10-19 10:23:38,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:23:38,154 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 10:23:38,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 10:23:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 10:23:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:23:41,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:41,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:41,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 10:23:41,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:41,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-19 10:23:42,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 10:23:42,147 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-19 10:23:42,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 10:23:42,148 INFO L85 PathProgramCache]: Analyzing trace with hash 589879332, now seen corresponding path program 5 times [2024-10-19 10:23:42,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 10:23:42,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907549685] [2024-10-19 10:23:42,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:42,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:23:42,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 967 proven. 4 refuted. 0 times theorem prover too weak. 1591 trivial. 0 not checked. [2024-10-19 10:23:42,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 10:23:42,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907549685] [2024-10-19 10:23:42,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907549685] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 10:23:42,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085681650] [2024-10-19 10:23:42,957 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-19 10:23:42,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 10:23:42,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 10:23:42,958 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 10:23:42,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-19 10:23:43,172 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-10-19 10:23:43,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 10:23:43,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-19 10:23:43,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 10:23:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 986 proven. 82 refuted. 0 times theorem prover too weak. 1494 trivial. 0 not checked. [2024-10-19 10:23:43,296 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 10:23:43,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2562 backedges. 967 proven. 4 refuted. 0 times theorem prover too weak. 1591 trivial. 0 not checked. [2024-10-19 10:23:43,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085681650] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 10:23:43,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 10:23:43,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 14 [2024-10-19 10:23:43,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70952714] [2024-10-19 10:23:43,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 10:23:43,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-19 10:23:43,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 10:23:43,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-19 10:23:43,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-19 10:23:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:23:43,390 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 10:23:43,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 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 10:23:43,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:43,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:43,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 10:23:43,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:43,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:23:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 10:23:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:23:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-19 10:23:48,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-19 10:23:48,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-10-19 10:23:48,929 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-19 10:23:48,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 10:23:48,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1596812803, now seen corresponding path program 6 times [2024-10-19 10:23:48,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 10:23:48,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209040089] [2024-10-19 10:23:48,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:23:48,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:23:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:24:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 319 proven. 1653 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-19 10:24:02,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 10:24:02,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209040089] [2024-10-19 10:24:02,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209040089] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 10:24:02,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338754380] [2024-10-19 10:24:02,899 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-19 10:24:02,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 10:24:02,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 10:24:02,901 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 10:24:02,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-19 10:24:03,242 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-10-19 10:24:03,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 10:24:03,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 110 conjuncts are in the unsatisfiable core [2024-10-19 10:24:03,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 10:24:20,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 227 proven. 1735 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-19 10:24:20,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 10:24:28,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 234 proven. 1757 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-19 10:24:28,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338754380] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 10:24:28,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 10:24:28,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 70, 95] total 241 [2024-10-19 10:24:28,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838839917] [2024-10-19 10:24:28,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 10:24:28,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 242 states [2024-10-19 10:24:28,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 10:24:28,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 242 interpolants. [2024-10-19 10:24:28,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12422, Invalid=45900, Unknown=0, NotChecked=0, Total=58322 [2024-10-19 10:24:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:24:28,497 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 10:24:28,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 242 states, 242 states have (on average 2.731404958677686) internal successors, (661), 241 states have internal predecessors, (661), 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 10:24:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:24:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:24:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 10:24:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:24:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-10-19 10:24:28,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:25:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:25:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:25:39,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 10:25:39,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:25:39,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-19 10:25:39,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 448 states. [2024-10-19 10:25:39,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-19 10:25:39,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-10-19 10:25:39,960 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-19 10:25:39,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 10:25:39,960 INFO L85 PathProgramCache]: Analyzing trace with hash 29873356, now seen corresponding path program 7 times [2024-10-19 10:25:39,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 10:25:39,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638126326] [2024-10-19 10:25:39,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:25:39,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:25:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:25:40,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 973 proven. 1 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2024-10-19 10:25:40,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 10:25:40,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638126326] [2024-10-19 10:25:40,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638126326] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 10:25:40,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976818725] [2024-10-19 10:25:40,530 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-19 10:25:40,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 10:25:40,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 10:25:40,531 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 10:25:40,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-19 10:25:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:25:40,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-19 10:25:40,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 10:25:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 973 proven. 1 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2024-10-19 10:25:40,763 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 10:25:41,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 907 proven. 394 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2024-10-19 10:25:41,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976818725] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 10:25:41,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 10:25:41,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 23] total 30 [2024-10-19 10:25:41,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824223618] [2024-10-19 10:25:41,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 10:25:41,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-19 10:25:41,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 10:25:41,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-19 10:25:41,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2024-10-19 10:25:41,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:25:41,419 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 10:25:41,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.833333333333333) internal successors, (145), 30 states have internal predecessors, (145), 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 10:25:41,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:25:41,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:25:41,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 10:25:41,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:25:41,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-19 10:25:41,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 448 states. [2024-10-19 10:25:41,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:25:44,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:25:44,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:25:44,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-19 10:25:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:25:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-19 10:25:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 453 states. [2024-10-19 10:25:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-19 10:25:44,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-19 10:25:44,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-10-19 10:25:44,407 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-19 10:25:44,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 10:25:44,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1221599718, now seen corresponding path program 8 times [2024-10-19 10:25:44,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 10:25:44,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792320500] [2024-10-19 10:25:44,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 10:25:44,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 10:25:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 10:25:52,258 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 308 proven. 611 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-10-19 10:25:52,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 10:25:52,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792320500] [2024-10-19 10:25:52,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792320500] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-19 10:25:52,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395222850] [2024-10-19 10:25:52,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-19 10:25:52,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-19 10:25:52,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 10:25:52,260 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-19 10:25:52,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-19 10:25:52,403 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-19 10:25:52,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-19 10:25:52,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-10-19 10:25:52,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-19 10:26:01,932 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 230 proven. 684 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-19 10:26:01,933 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-19 10:30:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 0 proven. 984 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 10:30:51,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395222850] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-19 10:30:51,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-19 10:30:51,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 42, 66] total 164 [2024-10-19 10:30:51,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312119823] [2024-10-19 10:30:51,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-19 10:30:51,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2024-10-19 10:30:51,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 10:30:51,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2024-10-19 10:30:51,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4887, Invalid=22170, Unknown=3, NotChecked=0, Total=27060 [2024-10-19 10:30:51,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:30:51,071 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 10:30:51,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 2.7696969696969695) internal successors, (457), 164 states have internal predecessors, (457), 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 10:30:51,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:30:51,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:30:51,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-19 10:30:51,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 10:30:51,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-19 10:30:51,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 453 states. [2024-10-19 10:30:51,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-19 10:30:51,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 10:31:35,925 WARN L286 SmtUtils]: Spent 27.67s on a formula simplification. DAG size of input: 265 DAG size of output: 128 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-19 10:32:15,333 WARN L286 SmtUtils]: Spent 35.07s on a formula simplification. DAG size of input: 265 DAG size of output: 172 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-19 10:33:41,818 WARN L286 SmtUtils]: Spent 1.40m on a formula simplification. DAG size of input: 193 DAG size of output: 128 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-19 10:34:08,122 WARN L286 SmtUtils]: Spent 24.78s on a formula simplification. DAG size of input: 264 DAG size of output: 126 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-19 10:35:16,789 WARN L286 SmtUtils]: Spent 1.13m on a formula simplification. DAG size of input: 210 DAG size of output: 126 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-19 10:35:18,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-19 10:35:19,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-19 10:35:36,845 WARN L286 SmtUtils]: Spent 16.22s on a formula simplification. DAG size of input: 196 DAG size of output: 101 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-19 10:35:51,545 WARN L286 SmtUtils]: Spent 12.73s on a formula simplification. DAG size of input: 279 DAG size of output: 137 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-19 10:35:52,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Killed by 15