./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/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_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/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 64bit --witnessprinter.graph.data.programhash 03c3c0226be86be0ec03a0662affe26020abe8242f0c910b49f1d4231c5f2564 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:53:53,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:53:53,918 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:53:53,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:53:53,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:53:53,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:53:53,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:53:53,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:53:53,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:53:53,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:53:53,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:53:54,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:53:54,001 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:53:54,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:53:54,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:53:54,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:53:54,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:53:54,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:53:54,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:53:54,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:53:54,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:53:54,007 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:53:54,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:53:54,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:53:54,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:53:54,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:54,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:53:54,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:53:54,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:53:54,012 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:53:54,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:53:54,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:53:54,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:53:54,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:53:54,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:53:54,015 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:53:54,015 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_4e88d9e4-4e9b-4616-adc2-885d7be00444/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03c3c0226be86be0ec03a0662affe26020abe8242f0c910b49f1d4231c5f2564 [2023-11-06 22:53:54,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:53:54,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:53:54,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:53:54,402 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:53:54,403 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:53:54,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c [2023-11-06 22:53:57,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:53:58,340 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:53:58,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c [2023-11-06 22:53:58,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/data/2121cc8ad/fd0337be29cc496d8a85e6c900dbff40/FLAGd5536206f [2023-11-06 22:53:58,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/data/2121cc8ad/fd0337be29cc496d8a85e6c900dbff40 [2023-11-06 22:53:58,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:53:58,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:53:58,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:58,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:53:58,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:53:58,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:58" (1/1) ... [2023-11-06 22:53:58,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3e6af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:58, skipping insertion in model container [2023-11-06 22:53:58,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:58" (1/1) ... [2023-11-06 22:53:58,539 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:53:58,834 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_4e88d9e4-4e9b-4616-adc2-885d7be00444/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c[1260,1273] [2023-11-06 22:53:59,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:59,440 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:53:59,455 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_4e88d9e4-4e9b-4616-adc2-885d7be00444/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c[1260,1273] [2023-11-06 22:53:59,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:59,815 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:53:59,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:59 WrapperNode [2023-11-06 22:53:59,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:59,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:59,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:53:59,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:53:59,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:59" (1/1) ... [2023-11-06 22:53:59,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:59" (1/1) ... [2023-11-06 22:54:00,709 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5618 [2023-11-06 22:54:00,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:00,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:54:00,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:54:00,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:54:00,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:59" (1/1) ... [2023-11-06 22:54:00,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:59" (1/1) ... [2023-11-06 22:54:01,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:59" (1/1) ... [2023-11-06 22:54:01,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:59" (1/1) ... [2023-11-06 22:54:01,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:59" (1/1) ... [2023-11-06 22:54:01,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:59" (1/1) ... [2023-11-06 22:54:01,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:59" (1/1) ... [2023-11-06 22:54:01,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:59" (1/1) ... [2023-11-06 22:54:01,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:54:01,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:54:01,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:54:01,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:54:01,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:59" (1/1) ... [2023-11-06 22:54:01,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:01,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:01,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:01,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:54:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:54:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:54:01,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:54:01,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:54:02,462 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:54:02,465 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:54:07,394 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:54:07,419 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:54:07,420 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:54:07,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:07 BoogieIcfgContainer [2023-11-06 22:54:07,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:54:07,433 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:54:07,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:54:07,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:54:07,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:53:58" (1/3) ... [2023-11-06 22:54:07,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c4ce2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:07, skipping insertion in model container [2023-11-06 22:54:07,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:59" (2/3) ... [2023-11-06 22:54:07,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c4ce2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:07, skipping insertion in model container [2023-11-06 22:54:07,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:07" (3/3) ... [2023-11-06 22:54:07,448 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p3.c [2023-11-06 22:54:07,474 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:54:07,474 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:54:07,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:54:07,652 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;@4f7f0a2a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:54:07,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:54:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 1145 states, 1143 states have (on average 1.6649168853893264) internal successors, (1903), 1144 states have internal predecessors, (1903), 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) [2023-11-06 22:54:07,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:54:07,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:07,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:07,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:07,682 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:07,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1475525641, now seen corresponding path program 1 times [2023-11-06 22:54:07,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:07,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007360038] [2023-11-06 22:54:07,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:07,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:08,556 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 22:54:08,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:08,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007360038] [2023-11-06 22:54:08,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007360038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:08,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:08,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:54:08,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773015154] [2023-11-06 22:54:08,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:08,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:08,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:08,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:08,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:08,629 INFO L87 Difference]: Start difference. First operand has 1145 states, 1143 states have (on average 1.6649168853893264) internal successors, (1903), 1144 states have internal predecessors, (1903), 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) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2023-11-06 22:54:08,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:08,857 INFO L93 Difference]: Finished difference Result 2253 states and 3749 transitions. [2023-11-06 22:54:08,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:54:08,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 41 [2023-11-06 22:54:08,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:08,895 INFO L225 Difference]: With dead ends: 2253 [2023-11-06 22:54:08,895 INFO L226 Difference]: Without dead ends: 1143 [2023-11-06 22:54:08,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:08,910 INFO L413 NwaCegarLoop]: 1895 mSDtfsCounter, 1 mSDsluCounter, 3784 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5679 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:08,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5679 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:08,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2023-11-06 22:54:09,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1143. [2023-11-06 22:54:09,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1142 states have (on average 1.6628721541155866) internal successors, (1899), 1142 states have internal predecessors, (1899), 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) [2023-11-06 22:54:09,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1899 transitions. [2023-11-06 22:54:09,059 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1899 transitions. Word has length 41 [2023-11-06 22:54:09,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:09,061 INFO L495 AbstractCegarLoop]: Abstraction has 1143 states and 1899 transitions. [2023-11-06 22:54:09,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2023-11-06 22:54:09,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1899 transitions. [2023-11-06 22:54:09,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-06 22:54:09,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:09,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:09,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:54:09,065 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:09,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:09,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1501560639, now seen corresponding path program 1 times [2023-11-06 22:54:09,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:09,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108382525] [2023-11-06 22:54:09,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:09,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:09,367 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 22:54:09,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:09,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108382525] [2023-11-06 22:54:09,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108382525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:09,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:09,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:54:09,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842906206] [2023-11-06 22:54:09,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:09,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:09,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:09,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:09,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:09,388 INFO L87 Difference]: Start difference. First operand 1143 states and 1899 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-11-06 22:54:09,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:09,503 INFO L93 Difference]: Finished difference Result 2254 states and 3745 transitions. [2023-11-06 22:54:09,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:54:09,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 42 [2023-11-06 22:54:09,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:09,512 INFO L225 Difference]: With dead ends: 2254 [2023-11-06 22:54:09,512 INFO L226 Difference]: Without dead ends: 1146 [2023-11-06 22:54:09,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:09,523 INFO L413 NwaCegarLoop]: 1895 mSDtfsCounter, 1 mSDsluCounter, 3781 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5676 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:09,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5676 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:54:09,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2023-11-06 22:54:09,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1145. [2023-11-06 22:54:09,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 1144 states have (on average 1.6617132867132867) internal successors, (1901), 1144 states have internal predecessors, (1901), 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) [2023-11-06 22:54:09,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1901 transitions. [2023-11-06 22:54:09,570 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1901 transitions. Word has length 42 [2023-11-06 22:54:09,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:09,571 INFO L495 AbstractCegarLoop]: Abstraction has 1145 states and 1901 transitions. [2023-11-06 22:54:09,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-11-06 22:54:09,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1901 transitions. [2023-11-06 22:54:09,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-06 22:54:09,574 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:09,574 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:09,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:54:09,575 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:09,575 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:09,576 INFO L85 PathProgramCache]: Analyzing trace with hash 484040737, now seen corresponding path program 1 times [2023-11-06 22:54:09,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:09,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475922607] [2023-11-06 22:54:09,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:09,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:10,887 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 22:54:10,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:10,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475922607] [2023-11-06 22:54:10,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475922607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:10,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:10,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:54:10,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895411696] [2023-11-06 22:54:10,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:10,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:54:10,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:10,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:54:10,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:54:10,892 INFO L87 Difference]: Start difference. First operand 1145 states and 1901 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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) [2023-11-06 22:54:12,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:12,502 INFO L93 Difference]: Finished difference Result 5595 states and 9293 transitions. [2023-11-06 22:54:12,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:54:12,503 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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 43 [2023-11-06 22:54:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:12,533 INFO L225 Difference]: With dead ends: 5595 [2023-11-06 22:54:12,533 INFO L226 Difference]: Without dead ends: 4485 [2023-11-06 22:54:12,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:54:12,547 INFO L413 NwaCegarLoop]: 1899 mSDtfsCounter, 27549 mSDsluCounter, 13235 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27549 SdHoareTripleChecker+Valid, 15134 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:12,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27549 Valid, 15134 Invalid, 179 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:54:12,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4485 states. [2023-11-06 22:54:12,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4485 to 1163. [2023-11-06 22:54:12,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1162 states have (on average 1.6592082616179002) internal successors, (1928), 1162 states have internal predecessors, (1928), 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) [2023-11-06 22:54:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1928 transitions. [2023-11-06 22:54:12,617 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1928 transitions. Word has length 43 [2023-11-06 22:54:12,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:12,619 INFO L495 AbstractCegarLoop]: Abstraction has 1163 states and 1928 transitions. [2023-11-06 22:54:12,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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) [2023-11-06 22:54:12,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1928 transitions. [2023-11-06 22:54:12,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-06 22:54:12,631 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:12,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:12,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:54:12,632 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:12,632 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:12,633 INFO L85 PathProgramCache]: Analyzing trace with hash -2035919197, now seen corresponding path program 1 times [2023-11-06 22:54:12,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:12,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446006212] [2023-11-06 22:54:12,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:12,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:13,673 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 22:54:13,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:13,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446006212] [2023-11-06 22:54:13,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446006212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:13,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:13,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:54:13,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788332368] [2023-11-06 22:54:13,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:13,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:54:13,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:13,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:54:13,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:54:13,677 INFO L87 Difference]: Start difference. First operand 1163 states and 1928 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 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) [2023-11-06 22:54:14,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:14,794 INFO L93 Difference]: Finished difference Result 5598 states and 9291 transitions. [2023-11-06 22:54:14,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:54:14,795 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 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 43 [2023-11-06 22:54:14,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:14,829 INFO L225 Difference]: With dead ends: 5598 [2023-11-06 22:54:14,830 INFO L226 Difference]: Without dead ends: 4485 [2023-11-06 22:54:14,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:54:14,843 INFO L413 NwaCegarLoop]: 3716 mSDtfsCounter, 12987 mSDsluCounter, 14944 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12987 SdHoareTripleChecker+Valid, 18660 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:14,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12987 Valid, 18660 Invalid, 125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:54:14,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4485 states. [2023-11-06 22:54:14,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4485 to 1166. [2023-11-06 22:54:14,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 1165 states have (on average 1.657510729613734) internal successors, (1931), 1165 states have internal predecessors, (1931), 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) [2023-11-06 22:54:14,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1931 transitions. [2023-11-06 22:54:14,932 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1931 transitions. Word has length 43 [2023-11-06 22:54:14,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:14,933 INFO L495 AbstractCegarLoop]: Abstraction has 1166 states and 1931 transitions. [2023-11-06 22:54:14,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 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) [2023-11-06 22:54:14,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1931 transitions. [2023-11-06 22:54:14,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-06 22:54:14,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:14,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:14,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:54:14,935 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:14,936 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:14,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1198520553, now seen corresponding path program 1 times [2023-11-06 22:54:14,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:14,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573826709] [2023-11-06 22:54:14,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:14,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:15,775 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 22:54:15,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:15,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573826709] [2023-11-06 22:54:15,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573826709] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:15,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:15,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:54:15,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613452991] [2023-11-06 22:54:15,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:15,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:54:15,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:15,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:54:15,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:15,779 INFO L87 Difference]: Start difference. First operand 1166 states and 1931 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:54:17,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:17,448 INFO L93 Difference]: Finished difference Result 2283 states and 3786 transitions. [2023-11-06 22:54:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:54:17,450 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-11-06 22:54:17,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:17,462 INFO L225 Difference]: With dead ends: 2283 [2023-11-06 22:54:17,463 INFO L226 Difference]: Without dead ends: 1173 [2023-11-06 22:54:17,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:54:17,466 INFO L413 NwaCegarLoop]: 1524 mSDtfsCounter, 3701 mSDsluCounter, 3117 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3701 SdHoareTripleChecker+Valid, 4641 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:17,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3701 Valid, 4641 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:54:17,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2023-11-06 22:54:17,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1166. [2023-11-06 22:54:17,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 1165 states have (on average 1.6566523605150214) internal successors, (1930), 1165 states have internal predecessors, (1930), 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) [2023-11-06 22:54:17,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1930 transitions. [2023-11-06 22:54:17,513 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1930 transitions. Word has length 44 [2023-11-06 22:54:17,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:17,516 INFO L495 AbstractCegarLoop]: Abstraction has 1166 states and 1930 transitions. [2023-11-06 22:54:17,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:54:17,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1930 transitions. [2023-11-06 22:54:17,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-06 22:54:17,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:17,521 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:54:17,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:54:17,522 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:17,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:17,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1198460971, now seen corresponding path program 1 times [2023-11-06 22:54:17,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:17,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166817525] [2023-11-06 22:54:17,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:17,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:17,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:17,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:17,853 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:54:17,857 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:54:17,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:54:17,863 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 22:54:17,868 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:54:17,982 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 22:54:18,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:54:18 BoogieIcfgContainer [2023-11-06 22:54:18,023 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:54:18,024 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:54:18,024 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:54:18,024 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:54:18,025 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:07" (3/4) ... [2023-11-06 22:54:18,028 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:54:18,030 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:54:18,031 INFO L158 Benchmark]: Toolchain (without parser) took 19615.33ms. Allocated memory was 142.6MB in the beginning and 958.4MB in the end (delta: 815.8MB). Free memory was 100.5MB in the beginning and 390.2MB in the end (delta: -289.8MB). Peak memory consumption was 527.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:18,031 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:18,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1396.80ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 100.5MB in the beginning and 162.3MB in the end (delta: -61.8MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. [2023-11-06 22:54:18,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 892.33ms. Allocated memory is still 226.5MB. Free memory was 162.3MB in the beginning and 88.6MB in the end (delta: 73.6MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:18,033 INFO L158 Benchmark]: Boogie Preprocessor took 1036.31ms. Allocated memory is still 226.5MB. Free memory was 88.6MB in the beginning and 75.3MB in the end (delta: 13.3MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2023-11-06 22:54:18,034 INFO L158 Benchmark]: RCFGBuilder took 5677.65ms. Allocated memory was 226.5MB in the beginning and 620.8MB in the end (delta: 394.3MB). Free memory was 75.3MB in the beginning and 308.3MB in the end (delta: -233.0MB). Peak memory consumption was 163.8MB. Max. memory is 16.1GB. [2023-11-06 22:54:18,034 INFO L158 Benchmark]: TraceAbstraction took 10589.77ms. Allocated memory was 620.8MB in the beginning and 958.4MB in the end (delta: 337.6MB). Free memory was 308.3MB in the beginning and 390.2MB in the end (delta: -81.9MB). Peak memory consumption was 255.8MB. Max. memory is 16.1GB. [2023-11-06 22:54:18,035 INFO L158 Benchmark]: Witness Printer took 6.01ms. Allocated memory is still 958.4MB. Free memory is still 390.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:18,040 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1396.80ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 100.5MB in the beginning and 162.3MB in the end (delta: -61.8MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 892.33ms. Allocated memory is still 226.5MB. Free memory was 162.3MB in the beginning and 88.6MB in the end (delta: 73.6MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1036.31ms. Allocated memory is still 226.5MB. Free memory was 88.6MB in the beginning and 75.3MB in the end (delta: 13.3MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5677.65ms. Allocated memory was 226.5MB in the beginning and 620.8MB in the end (delta: 394.3MB). Free memory was 75.3MB in the beginning and 308.3MB in the end (delta: -233.0MB). Peak memory consumption was 163.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10589.77ms. Allocated memory was 620.8MB in the beginning and 958.4MB in the end (delta: 337.6MB). Free memory was 308.3MB in the beginning and 390.2MB in the end (delta: -81.9MB). Peak memory consumption was 255.8MB. Max. memory is 16.1GB. * Witness Printer took 6.01ms. Allocated memory is still 958.4MB. Free memory is still 390.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 214. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 12); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (12 - 1); [L29] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 1); [L30] const SORT_8 msb_SORT_8 = (SORT_8)1 << (1 - 1); [L32] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 4); [L33] const SORT_13 msb_SORT_13 = (SORT_13)1 << (4 - 1); [L35] const SORT_97 mask_SORT_97 = (SORT_97)-1 >> (sizeof(SORT_97) * 8 - 3); [L36] const SORT_97 msb_SORT_97 = (SORT_97)1 << (3 - 1); [L38] const SORT_305 mask_SORT_305 = (SORT_305)-1 >> (sizeof(SORT_305) * 8 - 2); [L39] const SORT_305 msb_SORT_305 = (SORT_305)1 << (2 - 1); [L41] const SORT_309 mask_SORT_309 = (SORT_309)-1 >> (sizeof(SORT_309) * 8 - 5); [L42] const SORT_309 msb_SORT_309 = (SORT_309)1 << (5 - 1); [L44] const SORT_311 mask_SORT_311 = (SORT_311)-1 >> (sizeof(SORT_311) * 8 - 6); [L45] const SORT_311 msb_SORT_311 = (SORT_311)1 << (6 - 1); [L47] const SORT_313 mask_SORT_313 = (SORT_313)-1 >> (sizeof(SORT_313) * 8 - 7); [L48] const SORT_313 msb_SORT_313 = (SORT_313)1 << (7 - 1); [L50] const SORT_315 mask_SORT_315 = (SORT_315)-1 >> (sizeof(SORT_315) * 8 - 8); [L51] const SORT_315 msb_SORT_315 = (SORT_315)1 << (8 - 1); [L53] const SORT_317 mask_SORT_317 = (SORT_317)-1 >> (sizeof(SORT_317) * 8 - 9); [L54] const SORT_317 msb_SORT_317 = (SORT_317)1 << (9 - 1); [L56] const SORT_319 mask_SORT_319 = (SORT_319)-1 >> (sizeof(SORT_319) * 8 - 10); [L57] const SORT_319 msb_SORT_319 = (SORT_319)1 << (10 - 1); [L59] const SORT_321 mask_SORT_321 = (SORT_321)-1 >> (sizeof(SORT_321) * 8 - 11); [L60] const SORT_321 msb_SORT_321 = (SORT_321)1 << (11 - 1); [L62] const SORT_8 var_18 = 0; [L63] const SORT_1 var_22 = 0; [L64] const SORT_1 var_25 = 2; [L65] const SORT_1 var_47 = 1; [L66] const SORT_8 var_52 = 1; [L67] const SORT_13 var_56 = 2; [L68] const SORT_13 var_61 = 9; [L69] const SORT_13 var_69 = 15; [L70] const SORT_13 var_74 = 1; [L71] const SORT_13 var_76 = 3; [L72] const SORT_13 var_79 = 5; [L73] const SORT_13 var_82 = 7; [L74] const SORT_13 var_85 = 11; [L75] const SORT_97 var_98 = 0; [L76] const SORT_13 var_111 = 8; [L77] const SORT_13 var_115 = 10; [L78] const SORT_13 var_119 = 13; [L79] const SORT_13 var_130 = 4; [L80] const SORT_13 var_132 = 12; [L81] const SORT_13 var_135 = 14; [L82] const SORT_13 var_141 = 6; [L83] const SORT_13 var_168 = 0; [L84] const SORT_97 var_216 = 1; [L85] const SORT_97 var_218 = 5; [L86] const SORT_1 var_245 = 4095; [L87] const SORT_321 var_592 = 0; [L89] SORT_1 input_2; [L90] SORT_1 input_3; [L91] SORT_1 input_4; [L92] SORT_1 input_5; [L93] SORT_1 input_6; [L94] SORT_1 input_7; [L95] SORT_8 input_9; [L96] SORT_8 input_10; [L97] SORT_8 input_11; [L98] SORT_1 input_12; [L99] SORT_13 input_14; [L100] SORT_8 input_15; [L101] SORT_8 input_16; [L102] SORT_8 input_17; [L103] SORT_1 input_210; [L104] SORT_97 input_212; [L105] SORT_1 input_232; [L106] SORT_97 input_235; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_8 VAL [__VERIFIER_nondet_uchar() & mask_SORT_8=0, __VERIFIER_nondet_uchar()=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L108] SORT_8 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_8; [L109] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_19=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L109] SORT_1 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_19=0, state_23=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L110] SORT_1 state_28 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_19=0, state_23=0, state_28=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L111] SORT_1 state_30 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_19=0, state_23=0, state_28=0, state_30=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L112] SORT_1 state_33 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L113] SORT_1 state_35 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L114] SORT_1 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L115] SORT_1 state_41 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L116] SORT_1 state_58 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_97 VAL [__VERIFIER_nondet_uchar() & mask_SORT_97=0, __VERIFIER_nondet_uchar()=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L117] SORT_97 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_97; [L118] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [__VERIFIER_nondet_ushort() & mask_SORT_1=0, __VERIFIER_nondet_ushort()=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L118] SORT_1 state_128 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L120] SORT_8 init_20_arg_1 = var_18; [L121] state_19 = init_20_arg_1 [L122] SORT_1 init_24_arg_1 = var_22; [L123] state_23 = init_24_arg_1 [L124] SORT_1 init_29_arg_1 = var_22; [L125] state_28 = init_29_arg_1 [L126] SORT_1 init_31_arg_1 = var_22; [L127] state_30 = init_31_arg_1 [L128] SORT_1 init_34_arg_1 = var_22; [L129] state_33 = init_34_arg_1 [L130] SORT_1 init_36_arg_1 = var_22; [L131] state_35 = init_36_arg_1 [L132] SORT_1 init_40_arg_1 = var_22; [L133] state_39 = init_40_arg_1 [L134] SORT_1 init_42_arg_1 = var_22; [L135] state_41 = init_42_arg_1 [L136] SORT_1 init_59_arg_1 = var_22; [L137] state_58 = init_59_arg_1 [L138] SORT_97 init_100_arg_1 = var_98; [L139] state_99 = init_100_arg_1 [L140] SORT_1 init_129_arg_1 = var_22; [L141] state_128 = init_129_arg_1 VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L144] input_2 = __VERIFIER_nondet_ushort() [L145] input_3 = __VERIFIER_nondet_ushort() [L146] input_4 = __VERIFIER_nondet_ushort() [L147] input_5 = __VERIFIER_nondet_ushort() [L148] input_6 = __VERIFIER_nondet_ushort() [L149] input_7 = __VERIFIER_nondet_ushort() [L150] input_9 = __VERIFIER_nondet_uchar() [L151] input_10 = __VERIFIER_nondet_uchar() [L152] input_11 = __VERIFIER_nondet_uchar() [L153] EXPR input_11 & mask_SORT_8 VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, input_11 & mask_SORT_8=0, input_11=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L153] input_11 = input_11 & mask_SORT_8 [L154] input_12 = __VERIFIER_nondet_ushort() [L155] input_14 = __VERIFIER_nondet_uchar() [L156] EXPR input_14 & mask_SORT_13 VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, input_11=0, input_14 & mask_SORT_13=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L156] input_14 = input_14 & mask_SORT_13 [L157] input_15 = __VERIFIER_nondet_uchar() [L158] input_16 = __VERIFIER_nondet_uchar() [L159] input_17 = __VERIFIER_nondet_uchar() [L160] input_210 = __VERIFIER_nondet_ushort() [L161] input_212 = __VERIFIER_nondet_uchar() [L162] input_232 = __VERIFIER_nondet_ushort() [L163] input_235 = __VERIFIER_nondet_uchar() [L166] SORT_8 var_21_arg_0 = state_19; [L167] SORT_8 var_21_arg_1 = var_18; [L168] SORT_8 var_21 = var_21_arg_0 == var_21_arg_1; [L169] SORT_1 var_26_arg_0 = state_23; [L170] SORT_1 var_26_arg_1 = var_25; [L171] SORT_8 var_26 = var_26_arg_0 != var_26_arg_1; [L172] SORT_8 var_27_arg_0 = var_21; [L173] SORT_8 var_27_arg_1 = var_26; VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_245=4095, var_25=2, var_26=1, var_26_arg_0=0, var_26_arg_1=2, var_27_arg_0=1, var_27_arg_1=1, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L174] EXPR var_27_arg_0 | var_27_arg_1 VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_245=4095, var_25=2, var_26=1, var_26_arg_0=0, var_26_arg_1=2, var_27_arg_0 | var_27_arg_1=1, var_27_arg_0=1, var_27_arg_1=1, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L174] SORT_8 var_27 = var_27_arg_0 | var_27_arg_1; [L175] SORT_8 var_44_arg_0 = var_18; [L176] SORT_1 var_44_arg_1 = input_7; [L177] SORT_1 var_44_arg_2 = input_6; [L178] SORT_1 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L179] SORT_8 var_43_arg_0 = var_18; [L180] SORT_1 var_43_arg_1 = state_41; [L181] SORT_1 var_43_arg_2 = state_39; [L182] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L183] SORT_8 var_45_arg_0 = var_18; [L184] SORT_1 var_45_arg_1 = var_44; [L185] SORT_1 var_45_arg_2 = var_43; [L186] SORT_1 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L187] SORT_8 var_37_arg_0 = var_18; [L188] SORT_1 var_37_arg_1 = state_35; [L189] SORT_1 var_37_arg_2 = state_33; [L190] SORT_1 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L191] SORT_8 var_32_arg_0 = var_18; [L192] SORT_1 var_32_arg_1 = state_30; [L193] SORT_1 var_32_arg_2 = state_28; [L194] SORT_1 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L195] SORT_8 var_38_arg_0 = var_18; [L196] SORT_1 var_38_arg_1 = var_37; [L197] SORT_1 var_38_arg_2 = var_32; [L198] SORT_1 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L199] SORT_8 var_46_arg_0 = var_18; [L200] SORT_1 var_46_arg_1 = var_45; [L201] SORT_1 var_46_arg_2 = var_38; [L202] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_245=4095, var_25=2, var_26=1, var_26_arg_0=0, var_26_arg_1=2, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_32_arg_2=0, var_37=0, var_37_arg_0=0, var_37_arg_1=0, var_37_arg_2=0, var_38=0, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_44_arg_2=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_45_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L203] EXPR var_46 & mask_SORT_1 VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_245=4095, var_25=2, var_26=1, var_26_arg_0=0, var_26_arg_1=2, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_32_arg_2=0, var_37=0, var_37_arg_0=0, var_37_arg_1=0, var_37_arg_2=0, var_38=0, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_44_arg_2=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_45_arg_2=0, var_46 & mask_SORT_1=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L203] var_46 = var_46 & mask_SORT_1 [L204] SORT_1 var_48_arg_0 = var_46; [L205] SORT_1 var_48_arg_1 = var_47; [L206] SORT_8 var_48 = var_48_arg_0 == var_48_arg_1; [L207] SORT_8 var_49_arg_0 = var_27; [L208] SORT_8 var_49_arg_1 = var_48; VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_245=4095, var_25=2, var_26=1, var_26_arg_0=0, var_26_arg_1=2, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_32_arg_2=0, var_37=0, var_37_arg_0=0, var_37_arg_1=0, var_37_arg_2=0, var_38=0, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_44_arg_2=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_45_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=1, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_49_arg_0=1, var_49_arg_1=0, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L209] EXPR var_49_arg_0 | var_49_arg_1 VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_245=4095, var_25=2, var_26=1, var_26_arg_0=0, var_26_arg_1=2, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_32_arg_2=0, var_37=0, var_37_arg_0=0, var_37_arg_1=0, var_37_arg_2=0, var_38=0, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_44_arg_2=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_45_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=1, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_49_arg_0 | var_49_arg_1=1, var_49_arg_0=1, var_49_arg_1=0, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L209] SORT_8 var_49 = var_49_arg_0 | var_49_arg_1; [L210] SORT_8 var_53_arg_0 = var_49; [L211] SORT_8 var_53 = ~var_53_arg_0; [L212] SORT_8 var_54_arg_0 = var_52; [L213] SORT_8 var_54_arg_1 = var_53; VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_245=4095, var_25=2, var_26=1, var_26_arg_0=0, var_26_arg_1=2, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_32_arg_2=0, var_37=0, var_37_arg_0=0, var_37_arg_1=0, var_37_arg_2=0, var_38=0, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_44_arg_2=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_45_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=1, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_49=1, var_49_arg_0=1, var_49_arg_1=0, var_52=1, var_53=254, var_53_arg_0=1, var_54_arg_0=1, var_54_arg_1=254, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L214] EXPR var_54_arg_0 & var_54_arg_1 VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_245=4095, var_25=2, var_26=1, var_26_arg_0=0, var_26_arg_1=2, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_32_arg_2=0, var_37=0, var_37_arg_0=0, var_37_arg_1=0, var_37_arg_2=0, var_38=0, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_44_arg_2=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_45_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=1, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_49=1, var_49_arg_0=1, var_49_arg_1=0, var_52=1, var_53=254, var_53_arg_0=1, var_54_arg_0 & var_54_arg_1=1, var_54_arg_0=1, var_54_arg_1=254, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L214] SORT_8 var_54 = var_54_arg_0 & var_54_arg_1; [L215] EXPR var_54 & mask_SORT_8 VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, input_11=0, input_14=0, input_6=0, input_7=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_22=0, var_245=4095, var_25=2, var_26=1, var_26_arg_0=0, var_26_arg_1=2, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_32_arg_2=0, var_37=0, var_37_arg_0=0, var_37_arg_1=0, var_37_arg_2=0, var_38=0, var_38_arg_0=0, var_38_arg_1=0, var_38_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_43_arg_2=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_44_arg_2=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_45_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=1, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_49=1, var_49_arg_0=1, var_49_arg_1=0, var_52=1, var_53=254, var_53_arg_0=1, var_54 & mask_SORT_8=1, var_54=1, var_54_arg_0=1, var_54_arg_1=254, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L215] var_54 = var_54 & mask_SORT_8 [L216] SORT_8 bad_55_arg_0 = var_54; [L217] CALL __VERIFIER_assert(!(bad_55_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1145 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44239 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44239 mSDsluCounter, 49790 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38861 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1526 IncrementalHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 10929 mSDtfsCounter, 1526 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1166occurred in iteration=4, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 6649 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 208 ConstructedInterpolants, 0 QuantifiedInterpolants, 1179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:54:18,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/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_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/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 64bit --witnessprinter.graph.data.programhash 03c3c0226be86be0ec03a0662affe26020abe8242f0c910b49f1d4231c5f2564 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:54:21,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:54:21,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 22:54:21,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:54:21,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:54:21,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:54:21,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:54:21,559 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:54:21,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:54:21,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:54:21,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:54:21,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:54:21,563 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:54:21,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:54:21,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:54:21,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:54:21,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:54:21,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:54:21,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:54:21,569 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:54:21,569 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:54:21,570 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:54:21,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:54:21,572 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:54:21,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:54:21,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:54:21,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:54:21,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:21,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:54:21,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:54:21,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:54:21,576 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:54:21,577 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:54:21,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:54:21,578 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:54:21,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:54:21,579 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:54:21,579 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:54:21,579 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:54:21,580 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_4e88d9e4-4e9b-4616-adc2-885d7be00444/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03c3c0226be86be0ec03a0662affe26020abe8242f0c910b49f1d4231c5f2564 [2023-11-06 22:54:22,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:54:22,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:54:22,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:54:22,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:54:22,067 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:54:22,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c [2023-11-06 22:54:25,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:54:25,950 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:54:25,951 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c [2023-11-06 22:54:25,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/data/f5b900d94/d0511fdfaf4a4a15b57aeed7577e2e59/FLAG0f22714c4 [2023-11-06 22:54:25,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/data/f5b900d94/d0511fdfaf4a4a15b57aeed7577e2e59 [2023-11-06 22:54:25,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:54:25,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:54:26,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:26,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:54:26,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:54:26,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:25" (1/1) ... [2023-11-06 22:54:26,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168a39ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:26, skipping insertion in model container [2023-11-06 22:54:26,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:25" (1/1) ... [2023-11-06 22:54:26,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:54:26,395 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_4e88d9e4-4e9b-4616-adc2-885d7be00444/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c[1260,1273] [2023-11-06 22:54:26,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:26,929 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:54:26,943 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_4e88d9e4-4e9b-4616-adc2-885d7be00444/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c[1260,1273] [2023-11-06 22:54:27,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:27,205 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:54:27,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:27 WrapperNode [2023-11-06 22:54:27,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:27,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:27,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:54:27,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:54:27,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:27" (1/1) ... [2023-11-06 22:54:27,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:27" (1/1) ... [2023-11-06 22:54:27,411 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1838 [2023-11-06 22:54:27,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:27,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:54:27,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:54:27,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:54:27,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:27" (1/1) ... [2023-11-06 22:54:27,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:27" (1/1) ... [2023-11-06 22:54:27,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:27" (1/1) ... [2023-11-06 22:54:27,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:27" (1/1) ... [2023-11-06 22:54:27,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:27" (1/1) ... [2023-11-06 22:54:27,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:27" (1/1) ... [2023-11-06 22:54:27,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:27" (1/1) ... [2023-11-06 22:54:27,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:27" (1/1) ... [2023-11-06 22:54:27,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:54:27,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:54:27,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:54:27,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:54:27,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:27" (1/1) ... [2023-11-06 22:54:27,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:27,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:27,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:27,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:54:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:54:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:54:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:54:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:54:28,179 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:54:28,183 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:54:32,250 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:54:32,262 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:54:32,263 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:54:32,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:32 BoogieIcfgContainer [2023-11-06 22:54:32,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:54:32,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:54:32,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:54:32,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:54:32,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:54:25" (1/3) ... [2023-11-06 22:54:32,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e3b5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:32, skipping insertion in model container [2023-11-06 22:54:32,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:27" (2/3) ... [2023-11-06 22:54:32,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e3b5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:32, skipping insertion in model container [2023-11-06 22:54:32,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:32" (3/3) ... [2023-11-06 22:54:32,281 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p3.c [2023-11-06 22:54:32,303 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:54:32,303 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:54:32,369 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:54:32,376 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;@5f49f239, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:54:32,377 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:54:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2023-11-06 22:54:32,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 22:54:32,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:32,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:54:32,391 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:32,399 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:32,399 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 22:54:32,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:54:32,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [636899223] [2023-11-06 22:54:32,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:32,415 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:54:32,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:54:32,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:54:32,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:54:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:32,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:54:32,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:33,234 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 22:54:33,234 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:54:33,236 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:54:33,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [636899223] [2023-11-06 22:54:33,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [636899223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:33,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:33,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:54:33,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937856090] [2023-11-06 22:54:33,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:33,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:33,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:54:33,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:33,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:33,300 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-06 22:54:33,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:33,694 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 22:54:33,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:54:33,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2023-11-06 22:54:33,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:33,705 INFO L225 Difference]: With dead ends: 19 [2023-11-06 22:54:33,706 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 22:54:33,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 22:54:33,714 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:33,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:54:33,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 22:54:33,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 22:54:33,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2023-11-06 22:54:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 22:54:33,750 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 22:54:33,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:33,750 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 22:54:33,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-06 22:54:33,751 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 22:54:33,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:54:33,751 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:33,751 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:33,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:33,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:54:33,964 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:33,965 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:33,965 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 22:54:33,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:54:33,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955569717] [2023-11-06 22:54:33,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:33,970 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:54:33,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:54:33,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:54:34,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:54:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:37,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:54:37,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:37,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:37,587 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:54:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:38,385 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:54:38,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955569717] [2023-11-06 22:54:38,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955569717] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:54:38,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:54:38,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 22:54:38,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041674563] [2023-11-06 22:54:38,386 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:54:38,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:54:38,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:54:38,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:54:38,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:54:38,389 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2023-11-06 22:54:39,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:39,163 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 22:54:39,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:54:39,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 [2023-11-06 22:54:39,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:39,165 INFO L225 Difference]: With dead ends: 15 [2023-11-06 22:54:39,165 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 22:54:39,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:54:39,167 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:39,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 17 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:54:39,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 22:54:39,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-06 22:54:39,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2023-11-06 22:54:39,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-06 22:54:39,174 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-06 22:54:39,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:39,175 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-06 22:54:39,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2023-11-06 22:54:39,176 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-06 22:54:39,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:54:39,176 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:39,177 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-06 22:54:39,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-06 22:54:39,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:54:39,392 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:39,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:39,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-06 22:54:39,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:54:39,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379071073] [2023-11-06 22:54:39,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:54:39,396 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:54:39,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:54:39,397 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:54:39,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:54:45,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:54:45,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:54:46,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-06 22:54:46,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:48,175 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:48,175 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:54:56,176 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:56,176 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:54:56,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379071073] [2023-11-06 22:54:56,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379071073] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:54:56,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:54:56,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-06 22:54:56,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629966952] [2023-11-06 22:54:56,177 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:54:56,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:54:56,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:54:56,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:54:56,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:54:56,180 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2023-11-06 22:55:07,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:55:07,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:07,368 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-11-06 22:55:07,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:55:07,369 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 11 [2023-11-06 22:55:07,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:07,370 INFO L225 Difference]: With dead ends: 18 [2023-11-06 22:55:07,370 INFO L226 Difference]: Without dead ends: 16 [2023-11-06 22:55:07,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=66, Invalid=141, Unknown=3, NotChecked=0, Total=210 [2023-11-06 22:55:07,373 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:07,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 21 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2023-11-06 22:55:07,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-06 22:55:07,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-06 22:55:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2023-11-06 22:55:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-06 22:55:07,382 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2023-11-06 22:55:07,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:07,383 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-06 22:55:07,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2023-11-06 22:55:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-06 22:55:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:55:07,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:07,384 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2023-11-06 22:55:07,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:55:07,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:55:07,585 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:55:07,586 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:07,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2023-11-06 22:55:07,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:55:07,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072246312] [2023-11-06 22:55:07,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:55:07,591 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:55:07,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:55:07,593 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:55:07,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e88d9e4-4e9b-4616-adc2-885d7be00444/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 22:55:22,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-06 22:55:22,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:55:22,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 4591 conjuncts, 308 conjunts are in the unsatisfiable core [2023-11-06 22:55:22,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:55:30,399 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:55:30,399 INFO L327 TraceCheckSpWp]: Computing backward predicates...