./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4caa1f295436b297cae57f4102149db941e37f67b5d377cc8e9aa7b58bbf9350 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 14:58:19,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 14:58:19,623 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 14:58:19,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 14:58:19,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 14:58:19,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 14:58:19,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 14:58:19,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 14:58:19,668 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 14:58:19,669 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 14:58:19,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 14:58:19,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 14:58:19,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 14:58:19,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 14:58:19,673 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 14:58:19,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 14:58:19,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 14:58:19,674 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 14:58:19,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 14:58:19,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 14:58:19,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 14:58:19,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 14:58:19,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 14:58:19,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 14:58:19,676 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 14:58:19,676 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 14:58:19,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 14:58:19,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 14:58:19,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 14:58:19,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 14:58:19,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 14:58:19,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 14:58:19,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 14:58:19,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 14:58:19,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 14:58:19,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 14:58:19,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 14:58:19,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 14:58:19,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 14:58:19,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 14:58:19,681 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 14:58:19,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 14:58:19,681 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4caa1f295436b297cae57f4102149db941e37f67b5d377cc8e9aa7b58bbf9350 [2024-10-12 14:58:19,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 14:58:19,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 14:58:19,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 14:58:19,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 14:58:19,972 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 14:58:19,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c [2024-10-12 14:58:21,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 14:58:21,541 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 14:58:21,542 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c [2024-10-12 14:58:21,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc0f971f6/e8575af095444590ae50ee128e3ebbc6/FLAGa3fa90aa6 [2024-10-12 14:58:21,936 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc0f971f6/e8575af095444590ae50ee128e3ebbc6 [2024-10-12 14:58:21,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 14:58:21,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 14:58:21,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 14:58:21,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 14:58:21,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 14:58:21,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 02:58:21" (1/1) ... [2024-10-12 14:58:21,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b139c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:21, skipping insertion in model container [2024-10-12 14:58:21,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 02:58:21" (1/1) ... [2024-10-12 14:58:21,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 14:58:22,128 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c[415,428] [2024-10-12 14:58:22,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 14:58:22,153 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 14:58:22,162 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c[415,428] [2024-10-12 14:58:22,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 14:58:22,182 INFO L204 MainTranslator]: Completed translation [2024-10-12 14:58:22,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22 WrapperNode [2024-10-12 14:58:22,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 14:58:22,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 14:58:22,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 14:58:22,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 14:58:22,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22" (1/1) ... [2024-10-12 14:58:22,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22" (1/1) ... [2024-10-12 14:58:22,213 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-10-12 14:58:22,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 14:58:22,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 14:58:22,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 14:58:22,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 14:58:22,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22" (1/1) ... [2024-10-12 14:58:22,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22" (1/1) ... [2024-10-12 14:58:22,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22" (1/1) ... [2024-10-12 14:58:22,239 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-10-12 14:58:22,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22" (1/1) ... [2024-10-12 14:58:22,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22" (1/1) ... [2024-10-12 14:58:22,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22" (1/1) ... [2024-10-12 14:58:22,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22" (1/1) ... [2024-10-12 14:58:22,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22" (1/1) ... [2024-10-12 14:58:22,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22" (1/1) ... [2024-10-12 14:58:22,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 14:58:22,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 14:58:22,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 14:58:22,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 14:58:22,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22" (1/1) ... [2024-10-12 14:58:22,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 14:58:22,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 14:58:22,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 14:58:22,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 14:58:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 14:58:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-12 14:58:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-12 14:58:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 14:58:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 14:58:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 14:58:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 14:58:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 14:58:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 14:58:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 14:58:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 14:58:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-12 14:58:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 14:58:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 14:58:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 14:58:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 14:58:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 14:58:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-12 14:58:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 14:58:22,453 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 14:58:22,455 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 14:58:22,643 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-12 14:58:22,645 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 14:58:22,683 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 14:58:22,684 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-12 14:58:22,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 02:58:22 BoogieIcfgContainer [2024-10-12 14:58:22,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 14:58:22,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 14:58:22,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 14:58:22,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 14:58:22,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 02:58:21" (1/3) ... [2024-10-12 14:58:22,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36693139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 02:58:22, skipping insertion in model container [2024-10-12 14:58:22,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 02:58:22" (2/3) ... [2024-10-12 14:58:22,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36693139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 02:58:22, skipping insertion in model container [2024-10-12 14:58:22,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 02:58:22" (3/3) ... [2024-10-12 14:58:22,695 INFO L112 eAbstractionObserver]: Analyzing ICFG array_init_pair_symmetr2.c [2024-10-12 14:58:22,713 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 14:58:22,714 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 14:58:22,784 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 14:58:22,793 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=PETRI_NET, 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;@403bdb7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 14:58:22,794 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 14:58:22,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-12 14:58:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-12 14:58:22,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 14:58:22,805 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 14:58:22,806 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 14:58:22,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 14:58:22,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1394429076, now seen corresponding path program 1 times [2024-10-12 14:58:22,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 14:58:22,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068532389] [2024-10-12 14:58:22,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:58:22,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 14:58:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 14:58:23,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 14:58:23,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068532389] [2024-10-12 14:58:23,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068532389] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 14:58:23,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 14:58:23,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 14:58:23,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883013820] [2024-10-12 14:58:23,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 14:58:23,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 14:58:23,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 14:58:23,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 14:58:23,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 14:58:23,123 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-10-12 14:58:23,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 14:58:23,201 INFO L93 Difference]: Finished difference Result 44 states and 73 transitions. [2024-10-12 14:58:23,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 14:58:23,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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) Word has length 8 [2024-10-12 14:58:23,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 14:58:23,210 INFO L225 Difference]: With dead ends: 44 [2024-10-12 14:58:23,211 INFO L226 Difference]: Without dead ends: 23 [2024-10-12 14:58:23,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 14:58:23,219 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 14:58:23,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 27 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 14:58:23,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-12 14:58:23,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2024-10-12 14:58:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-12 14:58:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2024-10-12 14:58:23,256 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 8 [2024-10-12 14:58:23,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 14:58:23,257 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-10-12 14:58:23,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-10-12 14:58:23,257 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-10-12 14:58:23,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-12 14:58:23,259 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 14:58:23,259 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 14:58:23,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 14:58:23,260 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 14:58:23,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 14:58:23,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1234834936, now seen corresponding path program 1 times [2024-10-12 14:58:23,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 14:58:23,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654894030] [2024-10-12 14:58:23,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:58:23,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 14:58:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:23,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 14:58:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:23,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-12 14:58:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:23,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-12 14:58:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:23,526 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-12 14:58:23,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 14:58:23,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654894030] [2024-10-12 14:58:23,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654894030] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 14:58:23,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 14:58:23,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 14:58:23,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959201653] [2024-10-12 14:58:23,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 14:58:23,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 14:58:23,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 14:58:23,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 14:58:23,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-12 14:58:23,533 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-12 14:58:23,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 14:58:23,604 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2024-10-12 14:58:23,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 14:58:23,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-10-12 14:58:23,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 14:58:23,606 INFO L225 Difference]: With dead ends: 30 [2024-10-12 14:58:23,606 INFO L226 Difference]: Without dead ends: 24 [2024-10-12 14:58:23,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-12 14:58:23,609 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 16 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 14:58:23,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 17 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 14:58:23,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-10-12 14:58:23,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2024-10-12 14:58:23,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-12 14:58:23,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2024-10-12 14:58:23,617 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 25 [2024-10-12 14:58:23,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 14:58:23,618 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2024-10-12 14:58:23,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-12 14:58:23,618 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-10-12 14:58:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-12 14:58:23,619 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 14:58:23,620 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 14:58:23,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 14:58:23,620 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 14:58:23,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 14:58:23,621 INFO L85 PathProgramCache]: Analyzing trace with hash 934488912, now seen corresponding path program 1 times [2024-10-12 14:58:23,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 14:58:23,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409393178] [2024-10-12 14:58:23,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:58:23,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 14:58:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:23,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 14:58:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:23,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-12 14:58:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:23,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-12 14:58:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-12 14:58:23,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 14:58:23,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409393178] [2024-10-12 14:58:23,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409393178] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 14:58:23,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414975538] [2024-10-12 14:58:23,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:58:23,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 14:58:23,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 14:58:23,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 14:58:23,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-12 14:58:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:23,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 14:58:23,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 14:58:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-12 14:58:24,041 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 14:58:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-12 14:58:24,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414975538] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 14:58:24,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 14:58:24,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-12 14:58:24,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185290852] [2024-10-12 14:58:24,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 14:58:24,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-12 14:58:24,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 14:58:24,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 14:58:24,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-12 14:58:24,102 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-12 14:58:24,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 14:58:24,257 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2024-10-12 14:58:24,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 14:58:24,258 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 26 [2024-10-12 14:58:24,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 14:58:24,259 INFO L225 Difference]: With dead ends: 58 [2024-10-12 14:58:24,259 INFO L226 Difference]: Without dead ends: 49 [2024-10-12 14:58:24,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2024-10-12 14:58:24,261 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 60 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 14:58:24,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 29 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 14:58:24,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-12 14:58:24,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 38. [2024-10-12 14:58:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 24 states have (on average 1.125) internal successors, (27), 24 states have internal predecessors, (27), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-12 14:58:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2024-10-12 14:58:24,283 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 26 [2024-10-12 14:58:24,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 14:58:24,284 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2024-10-12 14:58:24,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-12 14:58:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-10-12 14:58:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-12 14:58:24,287 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 14:58:24,287 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 14:58:24,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-12 14:58:24,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 14:58:24,492 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 14:58:24,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 14:58:24,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1525972372, now seen corresponding path program 2 times [2024-10-12 14:58:24,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 14:58:24,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248798762] [2024-10-12 14:58:24,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:58:24,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 14:58:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:24,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 14:58:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:24,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-12 14:58:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:24,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-12 14:58:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:24,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-12 14:58:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:24,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-12 14:58:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:24,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-12 14:58:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:24,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 14:58:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:24,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-12 14:58:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:24,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-12 14:58:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:24,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-12 14:58:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:24,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-12 14:58:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:24,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 14:58:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:24,819 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-10-12 14:58:24,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 14:58:24,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248798762] [2024-10-12 14:58:24,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248798762] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 14:58:24,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886417296] [2024-10-12 14:58:24,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-12 14:58:24,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 14:58:24,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 14:58:24,823 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 14:58:24,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-12 14:58:24,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-12 14:58:24,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 14:58:24,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-12 14:58:24,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 14:58:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-10-12 14:58:25,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 14:58:25,353 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-10-12 14:58:25,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886417296] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 14:58:25,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 14:58:25,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2024-10-12 14:58:25,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636414912] [2024-10-12 14:58:25,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 14:58:25,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-12 14:58:25,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 14:58:25,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-12 14:58:25,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2024-10-12 14:58:25,357 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-10-12 14:58:25,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 14:58:25,683 INFO L93 Difference]: Finished difference Result 127 states and 171 transitions. [2024-10-12 14:58:25,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 14:58:25,684 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 80 [2024-10-12 14:58:25,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 14:58:25,688 INFO L225 Difference]: With dead ends: 127 [2024-10-12 14:58:25,688 INFO L226 Difference]: Without dead ends: 115 [2024-10-12 14:58:25,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=208, Invalid=298, Unknown=0, NotChecked=0, Total=506 [2024-10-12 14:58:25,689 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 162 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-12 14:58:25,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 59 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-12 14:58:25,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-12 14:58:25,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 74. [2024-10-12 14:58:25,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 42 states have internal predecessors, (45), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-12 14:58:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 105 transitions. [2024-10-12 14:58:25,708 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 105 transitions. Word has length 80 [2024-10-12 14:58:25,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 14:58:25,708 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 105 transitions. [2024-10-12 14:58:25,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-10-12 14:58:25,709 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2024-10-12 14:58:25,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-12 14:58:25,712 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 14:58:25,713 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 14:58:25,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-12 14:58:25,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-10-12 14:58:25,917 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 14:58:25,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 14:58:25,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1608222956, now seen corresponding path program 3 times [2024-10-12 14:58:25,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 14:58:25,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025193362] [2024-10-12 14:58:25,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:58:25,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 14:58:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 14:58:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-12 14:58:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-12 14:58:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-12 14:58:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-12 14:58:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-12 14:58:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 14:58:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-12 14:58:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-12 14:58:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-12 14:58:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-12 14:58:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 14:58:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 14:58:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-12 14:58:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-12 14:58:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 14:58:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-12 14:58:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 14:58:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-12 14:58:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-12 14:58:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-12 14:58:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-12 14:58:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-12 14:58:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 14:58:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-12 14:58:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-12 14:58:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-12 14:58:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-12 14:58:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-12 14:58:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-12 14:58:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:26,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 1795 trivial. 0 not checked. [2024-10-12 14:58:26,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 14:58:26,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025193362] [2024-10-12 14:58:26,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025193362] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 14:58:26,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272900629] [2024-10-12 14:58:26,516 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-12 14:58:26,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 14:58:26,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 14:58:26,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 14:58:26,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-12 14:58:26,716 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-12 14:58:26,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 14:58:26,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-12 14:58:26,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 14:58:27,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1975 trivial. 0 not checked. [2024-10-12 14:58:27,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 14:58:27,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1975 trivial. 0 not checked. [2024-10-12 14:58:27,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272900629] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 14:58:27,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 14:58:27,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 14] total 37 [2024-10-12 14:58:27,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786593755] [2024-10-12 14:58:27,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 14:58:27,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-12 14:58:27,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 14:58:27,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-12 14:58:27,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2024-10-12 14:58:27,571 INFO L87 Difference]: Start difference. First operand 74 states and 105 transitions. Second operand has 37 states, 37 states have (on average 1.8108108108108107) internal successors, (67), 37 states have internal predecessors, (67), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-10-12 14:58:28,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 14:58:28,358 INFO L93 Difference]: Finished difference Result 265 states and 357 transitions. [2024-10-12 14:58:28,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-12 14:58:28,359 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.8108108108108107) internal successors, (67), 37 states have internal predecessors, (67), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 188 [2024-10-12 14:58:28,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 14:58:28,363 INFO L225 Difference]: With dead ends: 265 [2024-10-12 14:58:28,363 INFO L226 Difference]: Without dead ends: 247 [2024-10-12 14:58:28,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 731 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2024-10-12 14:58:28,368 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 438 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-12 14:58:28,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 104 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-12 14:58:28,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-12 14:58:28,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 146. [2024-10-12 14:58:28,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 78 states have (on average 1.0384615384615385) internal successors, (81), 78 states have internal predecessors, (81), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-12 14:58:28,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 213 transitions. [2024-10-12 14:58:28,413 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 213 transitions. Word has length 188 [2024-10-12 14:58:28,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 14:58:28,415 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 213 transitions. [2024-10-12 14:58:28,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.8108108108108107) internal successors, (67), 37 states have internal predecessors, (67), 12 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-10-12 14:58:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 213 transitions. [2024-10-12 14:58:28,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-10-12 14:58:28,427 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 14:58:28,428 INFO L215 NwaCegarLoop]: trace histogram [66, 66, 66, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 14:58:28,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-12 14:58:28,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 14:58:28,629 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 14:58:28,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 14:58:28,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1358804460, now seen corresponding path program 4 times [2024-10-12 14:58:28,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 14:58:28,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307022421] [2024-10-12 14:58:28,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 14:58:28,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 14:58:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:29,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 14:58:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:29,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-12 14:58:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:29,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-12 14:58:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:29,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-12 14:58:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:29,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-12 14:58:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:29,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-12 14:58:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:29,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 14:58:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:29,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-12 14:58:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:29,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-12 14:58:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:29,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-12 14:58:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:29,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-12 14:58:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:29,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 14:58:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-12 14:58:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-12 14:58:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-12 14:58:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 14:58:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-12 14:58:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 14:58:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-12 14:58:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-12 14:58:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-12 14:58:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-12 14:58:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-12 14:58:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 14:58:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-12 14:58:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-12 14:58:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-12 14:58:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-12 14:58:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-12 14:58:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-12 14:58:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-12 14:58:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-12 14:58:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-12 14:58:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-12 14:58:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-12 14:58:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-12 14:58:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-12 14:58:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-12 14:58:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-12 14:58:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-12 14:58:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-12 14:58:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-12 14:58:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-12 14:58:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-12 14:58:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-12 14:58:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-12 14:58:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-12 14:58:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-12 14:58:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-12 14:58:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-12 14:58:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-12 14:58:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-12 14:58:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-12 14:58:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-12 14:58:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-12 14:58:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-12 14:58:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-12 14:58:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-12 14:58:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-12 14:58:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-12 14:58:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-12 14:58:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-10-12 14:58:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-10-12 14:58:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-12 14:58:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2024-10-12 14:58:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-10-12 14:58:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 14:58:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10010 backedges. 0 proven. 1177 refuted. 0 times theorem prover too weak. 8833 trivial. 0 not checked. [2024-10-12 14:58:30,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 14:58:30,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307022421] [2024-10-12 14:58:30,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307022421] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 14:58:30,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692912074] [2024-10-12 14:58:30,151 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-12 14:58:30,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 14:58:30,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 14:58:30,153 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 14:58:30,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process