./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array7_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-patterns/array7_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:09:38,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:09:39,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:09:39,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:09:39,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:09:39,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:09:39,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:09:39,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:09:39,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:09:39,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:09:39,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:09:39,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:09:39,078 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:09:39,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:09:39,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:09:39,081 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:09:39,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:09:39,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:09:39,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:09:39,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:09:39,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:09:39,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:09:39,084 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:09:39,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:09:39,085 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:09:39,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:09:39,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:09:39,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:09:39,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:09:39,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:09:39,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:09:39,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:09:39,090 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:09:39,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:09:39,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:09:39,090 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:09:39,091 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:09:39,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:09:39,091 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:09:39,091 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa [2023-11-06 22:09:39,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:09:39,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:09:39,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:09:39,452 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:09:39,452 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:09:39,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/array-patterns/array7_pattern.c [2023-11-06 22:09:42,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:09:42,715 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:09:42,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/sv-benchmarks/c/array-patterns/array7_pattern.c [2023-11-06 22:09:42,724 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/data/60708ac2e/a5ff9cab8ffe48c9be53e4c1307b3cb2/FLAGd5c3ecd1c [2023-11-06 22:09:42,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/data/60708ac2e/a5ff9cab8ffe48c9be53e4c1307b3cb2 [2023-11-06 22:09:42,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:09:42,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:09:42,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:09:42,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:09:42,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:09:42,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:09:42" (1/1) ... [2023-11-06 22:09:42,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b15ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:42, skipping insertion in model container [2023-11-06 22:09:42,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:09:42" (1/1) ... [2023-11-06 22:09:42,783 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:09:42,981 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2023-11-06 22:09:43,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:09:43,035 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:09:43,048 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2023-11-06 22:09:43,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:09:43,081 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:09:43,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:43 WrapperNode [2023-11-06 22:09:43,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:09:43,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:09:43,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:09:43,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:09:43,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:43" (1/1) ... [2023-11-06 22:09:43,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:43" (1/1) ... [2023-11-06 22:09:43,120 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2023-11-06 22:09:43,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:09:43,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:09:43,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:09:43,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:09:43,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:43" (1/1) ... [2023-11-06 22:09:43,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:43" (1/1) ... [2023-11-06 22:09:43,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:43" (1/1) ... [2023-11-06 22:09:43,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:43" (1/1) ... [2023-11-06 22:09:43,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:43" (1/1) ... [2023-11-06 22:09:43,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:43" (1/1) ... [2023-11-06 22:09:43,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:43" (1/1) ... [2023-11-06 22:09:43,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:43" (1/1) ... [2023-11-06 22:09:43,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:09:43,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:09:43,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:09:43,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:09:43,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:43" (1/1) ... [2023-11-06 22:09:43,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:09:43,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:09:43,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:09:43,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:09:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:09:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:09:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:09:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:09:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:09:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:09:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:09:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:09:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:09:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:09:43,312 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:09:43,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:09:43,529 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:09:43,534 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:09:43,535 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 22:09:43,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:09:43 BoogieIcfgContainer [2023-11-06 22:09:43,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:09:43,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:09:43,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:09:43,543 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:09:43,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:09:42" (1/3) ... [2023-11-06 22:09:43,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f467dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:09:43, skipping insertion in model container [2023-11-06 22:09:43,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:43" (2/3) ... [2023-11-06 22:09:43,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f467dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:09:43, skipping insertion in model container [2023-11-06 22:09:43,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:09:43" (3/3) ... [2023-11-06 22:09:43,547 INFO L112 eAbstractionObserver]: Analyzing ICFG array7_pattern.c [2023-11-06 22:09:43,564 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:09:43,564 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:09:43,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:09:43,617 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@1f33b974, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:09:43,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:09:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 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) [2023-11-06 22:09:43,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-06 22:09:43,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:43,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:43,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:09:43,642 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:43,642 INFO L85 PathProgramCache]: Analyzing trace with hash -440982883, now seen corresponding path program 1 times [2023-11-06 22:09:43,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:09:43,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174165463] [2023-11-06 22:09:43,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:43,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:09:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:43,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:09:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:43,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:09:43,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:09:43,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174165463] [2023-11-06 22:09:43,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174165463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:09:43,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:09:43,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:09:43,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731001422] [2023-11-06 22:09:43,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:09:43,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:09:43,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:09:43,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:09:43,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:09:43,883 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 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 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:09:43,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:43,916 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2023-11-06 22:09:43,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:09:43,919 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-11-06 22:09:43,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:43,956 INFO L225 Difference]: With dead ends: 49 [2023-11-06 22:09:43,957 INFO L226 Difference]: Without dead ends: 22 [2023-11-06 22:09:43,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:09:43,969 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:43,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:09:43,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-06 22:09:44,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-06 22:09:44,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 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) [2023-11-06 22:09:44,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-11-06 22:09:44,030 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2023-11-06 22:09:44,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:44,030 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-11-06 22:09:44,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:09:44,031 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-06 22:09:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-06 22:09:44,033 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:44,034 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:44,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:09:44,034 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:09:44,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:44,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1396045698, now seen corresponding path program 1 times [2023-11-06 22:09:44,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:09:44,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582396130] [2023-11-06 22:09:44,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:44,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:09:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:44,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:09:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:44,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:09:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:44,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:09:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:09:44,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:09:44,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582396130] [2023-11-06 22:09:44,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582396130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:09:44,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:09:44,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:09:44,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719529510] [2023-11-06 22:09:44,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:09:44,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:09:44,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:09:44,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:09:44,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:09:44,425 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:09:44,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:44,481 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2023-11-06 22:09:44,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:09:44,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2023-11-06 22:09:44,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:44,483 INFO L225 Difference]: With dead ends: 27 [2023-11-06 22:09:44,485 INFO L226 Difference]: Without dead ends: 23 [2023-11-06 22:09:44,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:09:44,488 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 4 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:44,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 59 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:09:44,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-11-06 22:09:44,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-06 22:09:44,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 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) [2023-11-06 22:09:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2023-11-06 22:09:44,506 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 27 [2023-11-06 22:09:44,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:44,510 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2023-11-06 22:09:44,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:09:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-06 22:09:44,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-06 22:09:44,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:44,513 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:44,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:09:44,514 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:09:44,514 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:44,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1623352868, now seen corresponding path program 1 times [2023-11-06 22:09:44,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:09:44,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299822401] [2023-11-06 22:09:44,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:44,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:09:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:09:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:44,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:09:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:44,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:09:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:44,785 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:09:44,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:09:44,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299822401] [2023-11-06 22:09:44,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299822401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:09:44,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:09:44,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:09:44,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811906324] [2023-11-06 22:09:44,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:09:44,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:09:44,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:09:44,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:09:44,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:09:44,790 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:09:44,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:44,847 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2023-11-06 22:09:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:09:44,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2023-11-06 22:09:44,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:44,850 INFO L225 Difference]: With dead ends: 43 [2023-11-06 22:09:44,851 INFO L226 Difference]: Without dead ends: 26 [2023-11-06 22:09:44,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:09:44,857 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 15 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:44,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 56 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:09:44,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-06 22:09:44,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2023-11-06 22:09:44,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 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) [2023-11-06 22:09:44,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2023-11-06 22:09:44,865 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 29 [2023-11-06 22:09:44,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:44,865 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2023-11-06 22:09:44,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:09:44,866 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-06 22:09:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:09:44,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:44,871 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:44,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:09:44,872 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:09:44,873 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:44,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1083978846, now seen corresponding path program 1 times [2023-11-06 22:09:44,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:09:44,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693379678] [2023-11-06 22:09:44,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:44,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:09:44,918 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:09:44,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [351106773] [2023-11-06 22:09:44,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:44,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:09:44,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:09:44,923 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:09:44,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:09:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:45,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:09:45,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:09:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:09:45,263 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:09:45,631 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:09:45,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:09:45,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693379678] [2023-11-06 22:09:45,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:09:45,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351106773] [2023-11-06 22:09:45,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351106773] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:09:45,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:09:45,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 15 [2023-11-06 22:09:45,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401711441] [2023-11-06 22:09:45,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:09:45,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:09:45,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:09:45,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:09:45,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:09:45,646 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-06 22:09:45,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:45,949 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2023-11-06 22:09:45,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:09:45,952 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 31 [2023-11-06 22:09:45,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:45,953 INFO L225 Difference]: With dead ends: 73 [2023-11-06 22:09:45,953 INFO L226 Difference]: Without dead ends: 42 [2023-11-06 22:09:45,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:09:45,955 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 31 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:45,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 106 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:09:45,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-06 22:09:45,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 28. [2023-11-06 22:09:45,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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) [2023-11-06 22:09:45,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2023-11-06 22:09:45,972 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 31 [2023-11-06 22:09:45,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:45,973 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2023-11-06 22:09:45,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-06 22:09:45,973 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-06 22:09:45,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-06 22:09:45,976 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:45,976 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:45,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:09:46,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:09:46,183 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:09:46,184 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:46,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1214758882, now seen corresponding path program 2 times [2023-11-06 22:09:46,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:09:46,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989252881] [2023-11-06 22:09:46,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:46,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:09:46,202 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:09:46,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1701166278] [2023-11-06 22:09:46,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:09:46,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:09:46,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:09:46,205 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:09:46,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:09:46,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:09:46,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:09:46,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:09:46,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:09:46,411 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:09:46,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:09:46,484 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:09:46,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:09:46,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989252881] [2023-11-06 22:09:46,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:09:46,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701166278] [2023-11-06 22:09:46,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701166278] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:09:46,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:09:46,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2023-11-06 22:09:46,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039806188] [2023-11-06 22:09:46,489 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:09:46,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:09:46,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:09:46,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:09:46,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:09:46,494 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-06 22:09:46,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:46,631 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2023-11-06 22:09:46,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:09:46,632 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 35 [2023-11-06 22:09:46,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:46,633 INFO L225 Difference]: With dead ends: 40 [2023-11-06 22:09:46,633 INFO L226 Difference]: Without dead ends: 36 [2023-11-06 22:09:46,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:09:46,635 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 38 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:46,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 63 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:09:46,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-06 22:09:46,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-06 22:09:46,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.1) internal successors, (33), 30 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:09:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2023-11-06 22:09:46,643 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 35 [2023-11-06 22:09:46,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:46,644 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2023-11-06 22:09:46,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-06 22:09:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2023-11-06 22:09:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 22:09:46,645 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:46,646 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:46,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:09:46,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:09:46,852 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:09:46,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:46,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1618850078, now seen corresponding path program 3 times [2023-11-06 22:09:46,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:09:46,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309147775] [2023-11-06 22:09:46,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:46,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:09:46,878 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:09:46,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1949432084] [2023-11-06 22:09:46,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:09:46,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:09:46,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:09:46,882 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:09:46,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_234f4e10-d313-45b3-9245-e76ff6cc47ae/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:09:47,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-06 22:09:47,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:09:47,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-06 22:09:47,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:09:47,259 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-06 22:09:47,326 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-06 22:09:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:47,479 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 76 [2023-11-06 22:09:47,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:47,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:47,509 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-11-06 22:09:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:47,527 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2023-11-06 22:09:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:09:47,739 INFO L322 Elim1Store]: treesize reduction 54, result has 30.8 percent of original size [2023-11-06 22:09:47,740 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 55 [2023-11-06 22:09:50,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:00,616 WARN L293 SmtUtils]: Spent 10.12s on a formula simplification. DAG size of input: 302 DAG size of output: 31 (called from [L 319] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-06 22:10:00,616 INFO L322 Elim1Store]: treesize reduction 1792, result has 2.4 percent of original size [2023-11-06 22:10:00,617 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 14 new quantified variables, introduced 50 case distinctions, treesize of input 1142 treesize of output 1427 [2023-11-06 22:10:28,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:10:30,029 INFO L217 Elim1Store]: Index analysis took 1142 ms [2023-11-06 22:10:34,667 INFO L322 Elim1Store]: treesize reduction 143, result has 11.2 percent of original size [2023-11-06 22:10:34,668 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 655 treesize of output 706 [2023-11-06 22:11:03,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:05,237 INFO L217 Elim1Store]: Index analysis took 1227 ms [2023-11-06 22:11:12,040 WARN L293 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 186 DAG size of output: 22 (called from [L 319] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-06 22:11:12,040 INFO L322 Elim1Store]: treesize reduction 816, result has 3.3 percent of original size [2023-11-06 22:11:12,041 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 10 new quantified variables, introduced 27 case distinctions, treesize of input 1794 treesize of output 1852 [2023-11-06 22:11:22,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:22,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:22,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:22,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:22,743 INFO L217 Elim1Store]: Index analysis took 1020 ms [2023-11-06 22:11:22,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:22,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:22,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:26,569 INFO L322 Elim1Store]: treesize reduction 234, result has 4.5 percent of original size [2023-11-06 22:11:26,569 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 140 treesize of output 170 [2023-11-06 22:11:30,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:30,971 INFO L217 Elim1Store]: Index analysis took 955 ms [2023-11-06 22:11:31,048 INFO L322 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-11-06 22:11:31,049 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 7 select indices, 7 select index equivalence classes, 34 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 263 treesize of output 641 [2023-11-06 22:11:36,799 INFO L322 Elim1Store]: treesize reduction 59, result has 23.4 percent of original size [2023-11-06 22:11:36,799 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 611 treesize of output 606 [2023-11-06 22:11:37,280 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 39 [2023-11-06 22:11:41,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:11:41,232 INFO L217 Elim1Store]: Index analysis took 203 ms [2023-11-06 22:11:41,285 INFO L322 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-11-06 22:11:41,286 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 227 treesize of output 405 [2023-11-06 22:11:56,250 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:12:02,404 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-06 22:13:01,246 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:13:01,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:01,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:01,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:01,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:01,310 INFO L322 Elim1Store]: treesize reduction 1732, result has 0.1 percent of original size [2023-11-06 22:13:01,318 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 13 new quantified variables, introduced 50 case distinctions, treesize of input 1133 treesize of output 1341 [2023-11-06 22:13:01,355 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:13:01,355 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 9 [2023-11-06 22:13:01,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:01,367 INFO L322 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2023-11-06 22:13:01,368 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 12 [2023-11-06 22:13:07,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:13:07,291 INFO L322 Elim1Store]: treesize reduction 227, result has 0.4 percent of original size [2023-11-06 22:13:07,292 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 10 stores, 7 select indices, 7 select index equivalence classes, 30 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 884 treesize of output 2434