./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.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_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/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_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/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_bc9259df-1ed3-4a75-9810-0559cd3fc833/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 c7f343ca08bbb19155b6fdcbbb14166f212aafb2275923d09d7fbaf9a31202b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:02:35,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:02:35,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:02:35,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:02:35,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:02:35,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:02:35,800 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:02:35,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:02:35,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:02:35,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:02:35,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:02:35,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:02:35,812 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:02:35,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:02:35,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:02:35,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:02:35,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:02:35,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:02:35,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:02:35,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:02:35,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:02:35,819 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:02:35,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:02:35,820 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:02:35,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:02:35,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:35,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:02:35,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:02:35,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:02:35,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:02:35,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:02:35,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:02:35,826 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:02:35,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:02:35,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:02:35,826 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:02:35,827 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_bc9259df-1ed3-4a75-9810-0559cd3fc833/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7f343ca08bbb19155b6fdcbbb14166f212aafb2275923d09d7fbaf9a31202b4 [2023-11-06 22:02:36,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:02:36,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:02:36,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:02:36,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:02:36,154 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:02:36,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2023-11-06 22:02:39,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:02:39,642 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:02:39,646 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2023-11-06 22:02:39,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/data/746e8351a/81680c9bd2fb40e790f01ce60dc8b9ba/FLAG7534f1cdd [2023-11-06 22:02:39,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/data/746e8351a/81680c9bd2fb40e790f01ce60dc8b9ba [2023-11-06 22:02:39,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:02:39,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:02:39,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:39,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:02:39,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:02:39,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:39" (1/1) ... [2023-11-06 22:02:39,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2479501c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:39, skipping insertion in model container [2023-11-06 22:02:39,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:39" (1/1) ... [2023-11-06 22:02:39,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:02:39,944 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_bc9259df-1ed3-4a75-9810-0559cd3fc833/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1249,1262] [2023-11-06 22:02:40,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:40,091 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:02:40,104 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_bc9259df-1ed3-4a75-9810-0559cd3fc833/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1249,1262] [2023-11-06 22:02:40,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:40,206 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:02:40,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40 WrapperNode [2023-11-06 22:02:40,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:40,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:40,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:02:40,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:02:40,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,353 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 639 [2023-11-06 22:02:40,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:40,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:02:40,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:02:40,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:02:40,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:02:40,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:02:40,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:02:40,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:02:40,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:40,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:40,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:40,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:02:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:02:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:02:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:02:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:02:40,767 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:02:40,769 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:02:41,704 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:02:41,712 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:02:41,713 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:02:41,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:41 BoogieIcfgContainer [2023-11-06 22:02:41,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:02:41,734 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:02:41,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:02:41,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:02:41,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:02:39" (1/3) ... [2023-11-06 22:02:41,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7748c124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:41, skipping insertion in model container [2023-11-06 22:02:41,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (2/3) ... [2023-11-06 22:02:41,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7748c124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:41, skipping insertion in model container [2023-11-06 22:02:41,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:41" (3/3) ... [2023-11-06 22:02:41,741 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Spinner.c [2023-11-06 22:02:41,765 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:02:41,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:02:41,840 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:02:41,846 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;@76ad8c26, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:02:41,846 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:02:41,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 123 states have (on average 1.6504065040650406) internal successors, (203), 124 states have internal predecessors, (203), 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 22:02:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-06 22:02:41,862 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:41,864 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] [2023-11-06 22:02:41,865 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:41,876 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:41,876 INFO L85 PathProgramCache]: Analyzing trace with hash 82632766, now seen corresponding path program 1 times [2023-11-06 22:02:41,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:41,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861058625] [2023-11-06 22:02:41,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:41,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:42,773 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 22:02:42,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:42,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861058625] [2023-11-06 22:02:42,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861058625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:42,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:42,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:02:42,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370066386] [2023-11-06 22:02:42,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:42,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:02:42,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:42,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:02:42,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:02:42,815 INFO L87 Difference]: Start difference. First operand has 125 states, 123 states have (on average 1.6504065040650406) internal successors, (203), 124 states have internal predecessors, (203), 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 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 22:02:42,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:42,887 INFO L93 Difference]: Finished difference Result 237 states and 389 transitions. [2023-11-06 22:02:42,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:02:42,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2023-11-06 22:02:42,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:42,900 INFO L225 Difference]: With dead ends: 237 [2023-11-06 22:02:42,900 INFO L226 Difference]: Without dead ends: 123 [2023-11-06 22:02:42,903 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 22:02:42,907 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:42,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 579 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:02:42,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-06 22:02:42,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-11-06 22:02:42,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.6311475409836065) internal successors, (199), 122 states have internal predecessors, (199), 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 22:02:42,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 199 transitions. [2023-11-06 22:02:42,952 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 199 transitions. Word has length 35 [2023-11-06 22:02:42,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:42,953 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 199 transitions. [2023-11-06 22:02:42,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 22:02:42,953 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 199 transitions. [2023-11-06 22:02:42,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-06 22:02:42,955 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:42,955 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] [2023-11-06 22:02:42,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:02:42,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:42,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:42,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1731626422, now seen corresponding path program 1 times [2023-11-06 22:02:42,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:42,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334225352] [2023-11-06 22:02:42,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:42,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:43,243 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 22:02:43,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:43,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334225352] [2023-11-06 22:02:43,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334225352] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:43,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:43,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:02:43,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528470254] [2023-11-06 22:02:43,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:43,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:02:43,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:43,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:02:43,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:02:43,251 INFO L87 Difference]: Start difference. First operand 123 states and 199 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 22:02:43,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:43,309 INFO L93 Difference]: Finished difference Result 238 states and 385 transitions. [2023-11-06 22:02:43,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:02:43,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2023-11-06 22:02:43,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:43,312 INFO L225 Difference]: With dead ends: 238 [2023-11-06 22:02:43,312 INFO L226 Difference]: Without dead ends: 126 [2023-11-06 22:02:43,313 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 22:02:43,315 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 576 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 22:02:43,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 576 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:02:43,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-06 22:02:43,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 125. [2023-11-06 22:02:43,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.6209677419354838) internal successors, (201), 124 states have internal predecessors, (201), 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 22:02:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 201 transitions. [2023-11-06 22:02:43,326 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 201 transitions. Word has length 36 [2023-11-06 22:02:43,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:43,327 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 201 transitions. [2023-11-06 22:02:43,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 22:02:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 201 transitions. [2023-11-06 22:02:43,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-06 22:02:43,329 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:43,329 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] [2023-11-06 22:02:43,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:02:43,329 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:43,330 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:43,330 INFO L85 PathProgramCache]: Analyzing trace with hash -576236454, now seen corresponding path program 1 times [2023-11-06 22:02:43,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:43,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124704815] [2023-11-06 22:02:43,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:43,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:44,360 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 22:02:44,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:44,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124704815] [2023-11-06 22:02:44,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124704815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:44,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:44,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:02:44,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522147750] [2023-11-06 22:02:44,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:44,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:02:44,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:44,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:02:44,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:02:44,367 INFO L87 Difference]: Start difference. First operand 125 states and 201 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:45,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:45,713 INFO L93 Difference]: Finished difference Result 793 states and 1275 transitions. [2023-11-06 22:02:45,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-06 22:02:45,714 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2023-11-06 22:02:45,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:45,721 INFO L225 Difference]: With dead ends: 793 [2023-11-06 22:02:45,721 INFO L226 Difference]: Without dead ends: 679 [2023-11-06 22:02:45,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=364, Invalid=1118, Unknown=0, NotChecked=0, Total=1482 [2023-11-06 22:02:45,731 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 2931 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2931 SdHoareTripleChecker+Valid, 2198 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:45,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2931 Valid, 2198 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:02:45,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2023-11-06 22:02:45,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 147. [2023-11-06 22:02:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 146 states have (on average 1.6164383561643836) internal successors, (236), 146 states have internal predecessors, (236), 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 22:02:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 236 transitions. [2023-11-06 22:02:45,784 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 236 transitions. Word has length 37 [2023-11-06 22:02:45,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:45,786 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 236 transitions. [2023-11-06 22:02:45,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:02:45,787 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 236 transitions. [2023-11-06 22:02:45,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-06 22:02:45,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:45,790 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] [2023-11-06 22:02:45,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:02:45,791 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:45,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:45,793 INFO L85 PathProgramCache]: Analyzing trace with hash -794167246, now seen corresponding path program 1 times [2023-11-06 22:02:45,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:45,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573453029] [2023-11-06 22:02:45,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:45,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:46,264 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 22:02:46,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:46,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573453029] [2023-11-06 22:02:46,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573453029] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:46,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:46,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:02:46,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500327013] [2023-11-06 22:02:46,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:46,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:02:46,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:46,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:02:46,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:02:46,268 INFO L87 Difference]: Start difference. First operand 147 states and 236 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 22:02:46,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:46,526 INFO L93 Difference]: Finished difference Result 564 states and 904 transitions. [2023-11-06 22:02:46,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:02:46,527 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 38 [2023-11-06 22:02:46,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:46,531 INFO L225 Difference]: With dead ends: 564 [2023-11-06 22:02:46,532 INFO L226 Difference]: Without dead ends: 428 [2023-11-06 22:02:46,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:02:46,542 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 884 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:46,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 1174 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:02:46,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2023-11-06 22:02:46,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 156. [2023-11-06 22:02:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 1.6) internal successors, (248), 155 states have internal predecessors, (248), 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 22:02:46,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 248 transitions. [2023-11-06 22:02:46,562 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 248 transitions. Word has length 38 [2023-11-06 22:02:46,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:46,563 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 248 transitions. [2023-11-06 22:02:46,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 22:02:46,563 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 248 transitions. [2023-11-06 22:02:46,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-06 22:02:46,565 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:46,565 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] [2023-11-06 22:02:46,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:02:46,566 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:46,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:46,566 INFO L85 PathProgramCache]: Analyzing trace with hash -261748970, now seen corresponding path program 1 times [2023-11-06 22:02:46,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:46,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811513811] [2023-11-06 22:02:46,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:46,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:47,052 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 22:02:47,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:47,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811513811] [2023-11-06 22:02:47,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811513811] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:47,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:47,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:02:47,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385760241] [2023-11-06 22:02:47,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:47,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:02:47,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:47,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:02:47,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:47,056 INFO L87 Difference]: Start difference. First operand 156 states and 248 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 22:02:47,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:47,069 INFO L93 Difference]: Finished difference Result 281 states and 448 transitions. [2023-11-06 22:02:47,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:02:47,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2023-11-06 22:02:47,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:47,071 INFO L225 Difference]: With dead ends: 281 [2023-11-06 22:02:47,071 INFO L226 Difference]: Without dead ends: 136 [2023-11-06 22:02:47,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:02:47,073 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 178 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:47,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 220 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:02:47,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-06 22:02:47,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 132. [2023-11-06 22:02:47,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.6030534351145038) internal successors, (210), 131 states have internal predecessors, (210), 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 22:02:47,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 210 transitions. [2023-11-06 22:02:47,080 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 210 transitions. Word has length 38 [2023-11-06 22:02:47,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:47,080 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 210 transitions. [2023-11-06 22:02:47,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 22:02:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 210 transitions. [2023-11-06 22:02:47,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 22:02:47,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:47,082 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] [2023-11-06 22:02:47,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:02:47,083 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:47,083 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:47,083 INFO L85 PathProgramCache]: Analyzing trace with hash 278708816, now seen corresponding path program 1 times [2023-11-06 22:02:47,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:47,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811046222] [2023-11-06 22:02:47,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:47,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:47,828 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 22:02:47,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:47,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811046222] [2023-11-06 22:02:47,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811046222] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:47,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:47,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:02:47,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624452434] [2023-11-06 22:02:47,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:47,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:02:47,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:47,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:02:47,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:02:47,832 INFO L87 Difference]: Start difference. First operand 132 states and 210 transitions. Second operand has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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 22:02:48,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:48,740 INFO L93 Difference]: Finished difference Result 803 states and 1272 transitions. [2023-11-06 22:02:48,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:02:48,740 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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 39 [2023-11-06 22:02:48,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:48,745 INFO L225 Difference]: With dead ends: 803 [2023-11-06 22:02:48,745 INFO L226 Difference]: Without dead ends: 682 [2023-11-06 22:02:48,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=238, Invalid=692, Unknown=0, NotChecked=0, Total=930 [2023-11-06 22:02:48,747 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 1919 mSDsluCounter, 1963 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 2338 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:48,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1919 Valid, 2338 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:02:48,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2023-11-06 22:02:48,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 156. [2023-11-06 22:02:48,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 1.5806451612903225) internal successors, (245), 155 states have internal predecessors, (245), 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 22:02:48,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 245 transitions. [2023-11-06 22:02:48,758 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 245 transitions. Word has length 39 [2023-11-06 22:02:48,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:48,759 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 245 transitions. [2023-11-06 22:02:48,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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 22:02:48,759 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 245 transitions. [2023-11-06 22:02:48,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 22:02:48,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:48,761 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] [2023-11-06 22:02:48,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:02:48,761 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:48,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:48,762 INFO L85 PathProgramCache]: Analyzing trace with hash 536874254, now seen corresponding path program 1 times [2023-11-06 22:02:48,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:48,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729612114] [2023-11-06 22:02:48,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:48,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:50,046 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 22:02:50,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:50,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729612114] [2023-11-06 22:02:50,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729612114] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:50,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:50,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:02:50,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458874124] [2023-11-06 22:02:50,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:50,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:02:50,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:50,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:02:50,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:02:50,051 INFO L87 Difference]: Start difference. First operand 156 states and 245 transitions. Second operand has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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 22:02:50,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:50,976 INFO L93 Difference]: Finished difference Result 695 states and 1093 transitions. [2023-11-06 22:02:50,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 22:02:50,977 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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 39 [2023-11-06 22:02:50,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:50,981 INFO L225 Difference]: With dead ends: 695 [2023-11-06 22:02:50,981 INFO L226 Difference]: Without dead ends: 550 [2023-11-06 22:02:50,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:02:50,983 INFO L413 NwaCegarLoop]: 354 mSDtfsCounter, 1428 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 2178 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:50,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 2178 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:02:50,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2023-11-06 22:02:50,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 169. [2023-11-06 22:02:50,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 168 states have (on average 1.5714285714285714) internal successors, (264), 168 states have internal predecessors, (264), 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 22:02:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 264 transitions. [2023-11-06 22:02:50,995 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 264 transitions. Word has length 39 [2023-11-06 22:02:50,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:50,995 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 264 transitions. [2023-11-06 22:02:50,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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 22:02:50,996 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 264 transitions. [2023-11-06 22:02:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 22:02:50,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:50,998 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] [2023-11-06 22:02:50,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:02:50,998 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:50,999 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:50,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1834865008, now seen corresponding path program 1 times [2023-11-06 22:02:50,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:50,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369350271] [2023-11-06 22:02:51,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:51,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:51,828 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 22:02:51,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:51,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369350271] [2023-11-06 22:02:51,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369350271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:51,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:51,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:02:51,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626281303] [2023-11-06 22:02:51,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:51,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:02:51,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:51,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:02:51,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:02:51,831 INFO L87 Difference]: Start difference. First operand 169 states and 264 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 22:02:51,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:51,947 INFO L93 Difference]: Finished difference Result 441 states and 691 transitions. [2023-11-06 22:02:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:02:51,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 39 [2023-11-06 22:02:51,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:51,950 INFO L225 Difference]: With dead ends: 441 [2023-11-06 22:02:51,952 INFO L226 Difference]: Without dead ends: 294 [2023-11-06 22:02:51,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:02:51,955 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 519 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:51,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 582 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:02:51,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2023-11-06 22:02:51,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 171. [2023-11-06 22:02:51,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.5647058823529412) internal successors, (266), 170 states have internal predecessors, (266), 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 22:02:51,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 266 transitions. [2023-11-06 22:02:51,965 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 266 transitions. Word has length 39 [2023-11-06 22:02:51,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:51,965 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 266 transitions. [2023-11-06 22:02:51,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 22:02:51,966 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 266 transitions. [2023-11-06 22:02:51,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 22:02:51,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:51,968 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] [2023-11-06 22:02:51,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:02:51,969 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:51,969 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:51,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1988581670, now seen corresponding path program 1 times [2023-11-06 22:02:51,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:51,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765684629] [2023-11-06 22:02:51,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:51,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:52,801 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 22:02:52,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:52,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765684629] [2023-11-06 22:02:52,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765684629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:52,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:52,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:02:52,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270191619] [2023-11-06 22:02:52,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:52,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:02:52,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:52,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:02:52,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:02:52,806 INFO L87 Difference]: Start difference. First operand 171 states and 266 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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 22:02:52,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:52,919 INFO L93 Difference]: Finished difference Result 467 states and 728 transitions. [2023-11-06 22:02:52,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:02:52,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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 40 [2023-11-06 22:02:52,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:52,924 INFO L225 Difference]: With dead ends: 467 [2023-11-06 22:02:52,925 INFO L226 Difference]: Without dead ends: 320 [2023-11-06 22:02:52,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:02:52,928 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 716 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:52,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 575 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:02:52,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2023-11-06 22:02:52,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 189. [2023-11-06 22:02:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 188 states have (on average 1.5425531914893618) internal successors, (290), 188 states have internal predecessors, (290), 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 22:02:52,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 290 transitions. [2023-11-06 22:02:52,942 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 290 transitions. Word has length 40 [2023-11-06 22:02:52,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:52,943 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 290 transitions. [2023-11-06 22:02:52,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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 22:02:52,943 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 290 transitions. [2023-11-06 22:02:52,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 22:02:52,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:52,948 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] [2023-11-06 22:02:52,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:02:52,949 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:52,950 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:52,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1376812184, now seen corresponding path program 1 times [2023-11-06 22:02:52,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:52,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424078137] [2023-11-06 22:02:52,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:52,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:53,692 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 22:02:53,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:53,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424078137] [2023-11-06 22:02:53,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424078137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:53,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:53,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:02:53,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848899445] [2023-11-06 22:02:53,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:53,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:02:53,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:53,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:02:53,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:02:53,695 INFO L87 Difference]: Start difference. First operand 189 states and 290 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 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 22:02:54,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:54,373 INFO L93 Difference]: Finished difference Result 767 states and 1192 transitions. [2023-11-06 22:02:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 22:02:54,374 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 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 40 [2023-11-06 22:02:54,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:54,379 INFO L225 Difference]: With dead ends: 767 [2023-11-06 22:02:54,379 INFO L226 Difference]: Without dead ends: 620 [2023-11-06 22:02:54,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:02:54,381 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 1229 mSDsluCounter, 1832 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 2214 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:54,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1229 Valid, 2214 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:02:54,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2023-11-06 22:02:54,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 189. [2023-11-06 22:02:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 188 states have (on average 1.5425531914893618) internal successors, (290), 188 states have internal predecessors, (290), 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 22:02:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 290 transitions. [2023-11-06 22:02:54,398 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 290 transitions. Word has length 40 [2023-11-06 22:02:54,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:54,398 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 290 transitions. [2023-11-06 22:02:54,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 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 22:02:54,399 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 290 transitions. [2023-11-06 22:02:54,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 22:02:54,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:54,401 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] [2023-11-06 22:02:54,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:02:54,401 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:54,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:54,402 INFO L85 PathProgramCache]: Analyzing trace with hash -617332522, now seen corresponding path program 1 times [2023-11-06 22:02:54,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:54,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591854872] [2023-11-06 22:02:54,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:54,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:54,926 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 22:02:54,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:54,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591854872] [2023-11-06 22:02:54,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591854872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:54,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:54,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:02:54,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558317134] [2023-11-06 22:02:54,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:54,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:02:54,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:54,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:02:54,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:02:54,934 INFO L87 Difference]: Start difference. First operand 189 states and 290 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 22:02:54,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:54,971 INFO L93 Difference]: Finished difference Result 459 states and 710 transitions. [2023-11-06 22:02:54,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:02:54,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2023-11-06 22:02:54,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:54,975 INFO L225 Difference]: With dead ends: 459 [2023-11-06 22:02:54,975 INFO L226 Difference]: Without dead ends: 312 [2023-11-06 22:02:54,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:02:54,976 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 348 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:54,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 466 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:02:54,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-11-06 22:02:54,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 179. [2023-11-06 22:02:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.5280898876404494) internal successors, (272), 178 states have internal predecessors, (272), 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 22:02:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 272 transitions. [2023-11-06 22:02:54,988 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 272 transitions. Word has length 40 [2023-11-06 22:02:54,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:54,990 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 272 transitions. [2023-11-06 22:02:54,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 22:02:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 272 transitions. [2023-11-06 22:02:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:02:54,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:54,991 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 22:02:54,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:02:54,992 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:54,992 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:54,992 INFO L85 PathProgramCache]: Analyzing trace with hash -104948774, now seen corresponding path program 1 times [2023-11-06 22:02:54,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:54,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119540708] [2023-11-06 22:02:54,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:54,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:55,589 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 22:02:55,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:55,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119540708] [2023-11-06 22:02:55,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119540708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:55,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:55,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:02:55,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585065667] [2023-11-06 22:02:55,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:55,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:02:55,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:55,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:02:55,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:02:55,592 INFO L87 Difference]: Start difference. First operand 179 states and 272 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 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 22:02:55,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:55,808 INFO L93 Difference]: Finished difference Result 715 states and 1102 transitions. [2023-11-06 22:02:55,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:02:55,809 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 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 22:02:55,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:55,812 INFO L225 Difference]: With dead ends: 715 [2023-11-06 22:02:55,813 INFO L226 Difference]: Without dead ends: 578 [2023-11-06 22:02:55,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:02:55,814 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 1533 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1533 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:55,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1533 Valid, 1296 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:02:55,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2023-11-06 22:02:55,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 196. [2023-11-06 22:02:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 195 states have (on average 1.5128205128205128) internal successors, (295), 195 states have internal predecessors, (295), 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 22:02:55,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 295 transitions. [2023-11-06 22:02:55,828 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 295 transitions. Word has length 41 [2023-11-06 22:02:55,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:55,828 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 295 transitions. [2023-11-06 22:02:55,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 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 22:02:55,829 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 295 transitions. [2023-11-06 22:02:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:02:55,829 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:55,830 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 22:02:55,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:02:55,830 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:55,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:55,831 INFO L85 PathProgramCache]: Analyzing trace with hash 153216664, now seen corresponding path program 1 times [2023-11-06 22:02:55,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:55,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899066255] [2023-11-06 22:02:55,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:55,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:58,209 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 22:02:58,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:58,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899066255] [2023-11-06 22:02:58,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899066255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:58,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:58,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-11-06 22:02:58,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495676972] [2023-11-06 22:02:58,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:58,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-06 22:02:58,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:58,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-06 22:02:58,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:02:58,212 INFO L87 Difference]: Start difference. First operand 196 states and 295 transitions. Second operand has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 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 22:03:01,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:01,604 INFO L93 Difference]: Finished difference Result 939 states and 1442 transitions. [2023-11-06 22:03:01,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-06 22:03:01,605 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 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 22:03:01,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:01,610 INFO L225 Difference]: With dead ends: 939 [2023-11-06 22:03:01,610 INFO L226 Difference]: Without dead ends: 790 [2023-11-06 22:03:01,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=395, Invalid=1411, Unknown=0, NotChecked=0, Total=1806 [2023-11-06 22:03:01,613 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 3093 mSDsluCounter, 4009 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3093 SdHoareTripleChecker+Valid, 4366 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:01,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3093 Valid, 4366 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:03:01,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2023-11-06 22:03:01,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 206. [2023-11-06 22:03:01,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 1.497560975609756) internal successors, (307), 205 states have internal predecessors, (307), 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 22:03:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 307 transitions. [2023-11-06 22:03:01,632 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 307 transitions. Word has length 41 [2023-11-06 22:03:01,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:01,632 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 307 transitions. [2023-11-06 22:03:01,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 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 22:03:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 307 transitions. [2023-11-06 22:03:01,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:03:01,634 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:01,634 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 22:03:01,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:03:01,635 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:01,635 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:01,635 INFO L85 PathProgramCache]: Analyzing trace with hash 447906238, now seen corresponding path program 1 times [2023-11-06 22:03:01,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:01,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472706540] [2023-11-06 22:03:01,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:01,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:02,268 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 22:03:02,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:02,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472706540] [2023-11-06 22:03:02,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472706540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:02,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:02,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:03:02,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423164787] [2023-11-06 22:03:02,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:02,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:03:02,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:02,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:03:02,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:03:02,271 INFO L87 Difference]: Start difference. First operand 206 states and 307 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 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 22:03:02,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:02,620 INFO L93 Difference]: Finished difference Result 345 states and 521 transitions. [2023-11-06 22:03:02,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:03:02,621 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 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 22:03:02,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:02,622 INFO L225 Difference]: With dead ends: 345 [2023-11-06 22:03:02,622 INFO L226 Difference]: Without dead ends: 208 [2023-11-06 22:03:02,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:03:02,624 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 521 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:02,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 793 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:03:02,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-11-06 22:03:02,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 202. [2023-11-06 22:03:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 201 states have (on average 1.4975124378109452) internal successors, (301), 201 states have internal predecessors, (301), 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 22:03:02,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 301 transitions. [2023-11-06 22:03:02,637 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 301 transitions. Word has length 41 [2023-11-06 22:03:02,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:02,637 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 301 transitions. [2023-11-06 22:03:02,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 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 22:03:02,637 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 301 transitions. [2023-11-06 22:03:02,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:03:02,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:02,638 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 22:03:02,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:03:02,639 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:02,639 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:02,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1370800576, now seen corresponding path program 1 times [2023-11-06 22:03:02,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:02,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563773948] [2023-11-06 22:03:02,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:02,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:02,894 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 22:03:02,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:02,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563773948] [2023-11-06 22:03:02,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563773948] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:02,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:02,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:03:02,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738951264] [2023-11-06 22:03:02,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:02,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:03:02,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:02,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:03:02,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:03:02,920 INFO L87 Difference]: Start difference. First operand 202 states and 301 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 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 22:03:02,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:02,981 INFO L93 Difference]: Finished difference Result 454 states and 686 transitions. [2023-11-06 22:03:02,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:03:02,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 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 22:03:02,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:02,984 INFO L225 Difference]: With dead ends: 454 [2023-11-06 22:03:02,984 INFO L226 Difference]: Without dead ends: 275 [2023-11-06 22:03:02,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:03:02,987 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 519 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:02,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 559 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:03:02,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2023-11-06 22:03:02,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 181. [2023-11-06 22:03:03,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 180 states have (on average 1.5) internal successors, (270), 180 states have internal predecessors, (270), 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 22:03:03,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 270 transitions. [2023-11-06 22:03:03,002 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 270 transitions. Word has length 41 [2023-11-06 22:03:03,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:03,002 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 270 transitions. [2023-11-06 22:03:03,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 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 22:03:03,003 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 270 transitions. [2023-11-06 22:03:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-06 22:03:03,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:03,004 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 22:03:03,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:03:03,004 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:03,004 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:03,005 INFO L85 PathProgramCache]: Analyzing trace with hash 344042932, now seen corresponding path program 1 times [2023-11-06 22:03:03,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:03,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482061006] [2023-11-06 22:03:03,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:03,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:05,383 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 22:03:05,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:05,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482061006] [2023-11-06 22:03:05,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482061006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:05,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:05,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-06 22:03:05,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491176485] [2023-11-06 22:03:05,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:05,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-06 22:03:05,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:05,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-06 22:03:05,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:03:05,386 INFO L87 Difference]: Start difference. First operand 181 states and 270 transitions. Second operand has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 17 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 22:03:19,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:19,961 INFO L93 Difference]: Finished difference Result 1425 states and 2158 transitions. [2023-11-06 22:03:19,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-06 22:03:19,962 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 17 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 22:03:19,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:19,971 INFO L225 Difference]: With dead ends: 1425 [2023-11-06 22:03:19,971 INFO L226 Difference]: Without dead ends: 1292 [2023-11-06 22:03:19,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2131 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=1502, Invalid=4818, Unknown=0, NotChecked=0, Total=6320 [2023-11-06 22:03:19,976 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 4330 mSDsluCounter, 3864 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4330 SdHoareTripleChecker+Valid, 4206 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:19,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4330 Valid, 4206 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-06 22:03:19,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2023-11-06 22:03:19,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 244. [2023-11-06 22:03:19,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 243 states have (on average 1.4691358024691359) internal successors, (357), 243 states have internal predecessors, (357), 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 22:03:19,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 357 transitions. [2023-11-06 22:03:19,997 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 357 transitions. Word has length 42 [2023-11-06 22:03:19,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:19,998 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 357 transitions. [2023-11-06 22:03:19,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 17 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 22:03:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 357 transitions. [2023-11-06 22:03:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-06 22:03:19,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:19,999 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 22:03:19,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:03:20,000 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:20,000 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:20,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1430964430, now seen corresponding path program 1 times [2023-11-06 22:03:20,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:20,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473327614] [2023-11-06 22:03:20,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:20,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:21,479 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 22:03:21,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:21,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473327614] [2023-11-06 22:03:21,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473327614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:21,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:21,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-06 22:03:21,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820033432] [2023-11-06 22:03:21,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:21,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:03:21,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:21,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:03:21,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:03:21,481 INFO L87 Difference]: Start difference. First operand 244 states and 357 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 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 22:03:22,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:22,504 INFO L93 Difference]: Finished difference Result 646 states and 972 transitions. [2023-11-06 22:03:22,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:03:22,504 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 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 22:03:22,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:22,507 INFO L225 Difference]: With dead ends: 646 [2023-11-06 22:03:22,507 INFO L226 Difference]: Without dead ends: 457 [2023-11-06 22:03:22,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=119, Invalid=433, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:03:22,509 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 1467 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 2151 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:22,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 2151 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:03:22,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2023-11-06 22:03:22,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 232. [2023-11-06 22:03:22,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.4761904761904763) internal successors, (341), 231 states have internal predecessors, (341), 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 22:03:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 341 transitions. [2023-11-06 22:03:22,523 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 341 transitions. Word has length 42 [2023-11-06 22:03:22,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:22,524 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 341 transitions. [2023-11-06 22:03:22,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 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 22:03:22,524 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 341 transitions. [2023-11-06 22:03:22,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-06 22:03:22,525 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:22,525 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 22:03:22,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 22:03:22,525 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:22,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:22,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1358644152, now seen corresponding path program 1 times [2023-11-06 22:03:22,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:22,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428106173] [2023-11-06 22:03:22,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:22,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:03:22,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:03:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:03:22,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:03:22,742 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:03:22,743 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:03:22,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 22:03:22,749 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:22,754 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:03:22,852 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 22:03:22,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:03:22 BoogieIcfgContainer [2023-11-06 22:03:22,883 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:03:22,883 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:03:22,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:03:22,884 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:03:22,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:41" (3/4) ... [2023-11-06 22:03:22,887 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:03:22,888 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:03:22,889 INFO L158 Benchmark]: Toolchain (without parser) took 43202.74ms. Allocated memory was 213.9MB in the beginning and 465.6MB in the end (delta: 251.7MB). Free memory was 172.0MB in the beginning and 178.8MB in the end (delta: -6.7MB). Peak memory consumption was 247.0MB. Max. memory is 16.1GB. [2023-11-06 22:03:22,890 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 151.0MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:03:22,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.03ms. Allocated memory is still 213.9MB. Free memory was 171.6MB in the beginning and 152.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:03:22,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 144.80ms. Allocated memory is still 213.9MB. Free memory was 152.3MB in the beginning and 141.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:03:22,892 INFO L158 Benchmark]: Boogie Preprocessor took 130.97ms. Allocated memory is still 213.9MB. Free memory was 141.2MB in the beginning and 136.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:03:22,892 INFO L158 Benchmark]: RCFGBuilder took 1244.39ms. Allocated memory is still 213.9MB. Free memory was 136.9MB in the beginning and 156.1MB in the end (delta: -19.2MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2023-11-06 22:03:22,892 INFO L158 Benchmark]: TraceAbstraction took 41148.54ms. Allocated memory was 213.9MB in the beginning and 465.6MB in the end (delta: 251.7MB). Free memory was 155.1MB in the beginning and 178.8MB in the end (delta: -23.7MB). Peak memory consumption was 228.0MB. Max. memory is 16.1GB. [2023-11-06 22:03:22,893 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 465.6MB. Free memory is still 178.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:03:22,899 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 151.0MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.03ms. Allocated memory is still 213.9MB. Free memory was 171.6MB in the beginning and 152.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 144.80ms. Allocated memory is still 213.9MB. Free memory was 152.3MB in the beginning and 141.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.97ms. Allocated memory is still 213.9MB. Free memory was 141.2MB in the beginning and 136.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1244.39ms. Allocated memory is still 213.9MB. Free memory was 136.9MB in the beginning and 156.1MB in the end (delta: -19.2MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * TraceAbstraction took 41148.54ms. Allocated memory was 213.9MB in the beginning and 465.6MB in the end (delta: 251.7MB). Free memory was 155.1MB in the beginning and 178.8MB in the end (delta: -23.7MB). Peak memory consumption was 228.0MB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 465.6MB. Free memory is still 178.8MB. 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 bitwiseOr at line 153, overapproximation of bitwiseAnd at line 161. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L35] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 31); [L36] const SORT_47 msb_SORT_47 = (SORT_47)1 << (31 - 1); [L38] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 30); [L39] const SORT_57 msb_SORT_57 = (SORT_57)1 << (30 - 1); [L41] const SORT_59 mask_SORT_59 = (SORT_59)-1 >> (sizeof(SORT_59) * 8 - 29); [L42] const SORT_59 msb_SORT_59 = (SORT_59)1 << (29 - 1); [L44] const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 2); [L45] const SORT_65 msb_SORT_65 = (SORT_65)1 << (2 - 1); [L47] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 28); [L48] const SORT_71 msb_SORT_71 = (SORT_71)1 << (28 - 1); [L50] const SORT_73 mask_SORT_73 = (SORT_73)-1 >> (sizeof(SORT_73) * 8 - 26); [L51] const SORT_73 msb_SORT_73 = (SORT_73)1 << (26 - 1); [L53] const SORT_79 mask_SORT_79 = (SORT_79)-1 >> (sizeof(SORT_79) * 8 - 4); [L54] const SORT_79 msb_SORT_79 = (SORT_79)1 << (4 - 1); [L56] const SORT_85 mask_SORT_85 = (SORT_85)-1 >> (sizeof(SORT_85) * 8 - 24); [L57] const SORT_85 msb_SORT_85 = (SORT_85)1 << (24 - 1); [L59] const SORT_87 mask_SORT_87 = (SORT_87)-1 >> (sizeof(SORT_87) * 8 - 20); [L60] const SORT_87 msb_SORT_87 = (SORT_87)1 << (20 - 1); [L62] const SORT_93 mask_SORT_93 = (SORT_93)-1 >> (sizeof(SORT_93) * 8 - 8); [L63] const SORT_93 msb_SORT_93 = (SORT_93)1 << (8 - 1); [L65] const SORT_99 mask_SORT_99 = (SORT_99)-1 >> (sizeof(SORT_99) * 8 - 16); [L66] const SORT_99 msb_SORT_99 = (SORT_99)1 << (16 - 1); [L68] const SORT_5 var_8 = 0; [L69] const SORT_3 var_19 = 0; [L70] const SORT_3 var_40 = 1; [L72] SORT_1 input_2; [L73] SORT_3 input_4; [L74] SORT_5 input_6; [L75] SORT_3 input_7; [L77] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [__VERIFIER_nondet_uint() & mask_SORT_5=0, __VERIFIER_nondet_uint()=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, var_19=0, var_40=1, var_8=0] [L77] SORT_5 state_9 = __VERIFIER_nondet_uint() & mask_SORT_5; [L78] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [__VERIFIER_nondet_uint() & mask_SORT_5=0, __VERIFIER_nondet_uint()=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_9=0, var_19=0, var_40=1, var_8=0] [L78] SORT_5 state_13 = __VERIFIER_nondet_uint() & mask_SORT_5; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_9=0, var_19=0, var_40=1, var_8=0] [L79] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L81] SORT_5 init_10_arg_1 = var_8; [L82] state_9 = init_10_arg_1 [L83] SORT_5 init_14_arg_1 = var_8; [L84] state_13 = init_14_arg_1 [L85] SORT_3 init_21_arg_1 = var_19; [L86] state_20 = init_21_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_19=0, var_40=1, var_8=0] [L89] input_2 = __VERIFIER_nondet_uchar() [L90] input_4 = __VERIFIER_nondet_uchar() [L91] input_6 = __VERIFIER_nondet_uint() [L92] input_7 = __VERIFIER_nondet_uchar() [L93] EXPR input_7 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7 & mask_SORT_3=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_19=0, var_40=1, var_8=0] [L93] input_7 = input_7 & mask_SORT_3 [L96] SORT_5 var_11_arg_0 = state_9; [L97] SORT_5 var_11_arg_1 = var_8; [L98] SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; [L99] SORT_3 var_12_arg_0 = var_11; [L100] SORT_3 var_12 = ~var_12_arg_0; [L101] SORT_5 var_15_arg_0 = state_13; [L102] SORT_5 var_15_arg_1 = var_8; [L103] SORT_3 var_15 = var_15_arg_0 == var_15_arg_1; [L104] SORT_3 var_16_arg_0 = var_15; [L105] SORT_3 var_16 = ~var_16_arg_0; [L106] SORT_3 var_17_arg_0 = var_12; [L107] SORT_3 var_17_arg_1 = var_16; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17_arg_0=254, var_17_arg_1=254, var_19=0, var_40=1, var_8=0] [L108] EXPR var_17_arg_0 & var_17_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17_arg_0 & var_17_arg_1=254, var_17_arg_0=254, var_17_arg_1=254, var_19=0, var_40=1, var_8=0] [L108] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L109] SORT_3 var_18_arg_0 = var_17; [L110] SORT_3 var_18 = ~var_18_arg_0; [L111] SORT_3 var_22_arg_0 = state_20; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22_arg_0=0, var_40=1, var_8=0] [L112] EXPR var_22_arg_0 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22_arg_0 & mask_SORT_3=0, var_22_arg_0=0, var_40=1, var_8=0] [L112] var_22_arg_0 = var_22_arg_0 & mask_SORT_3 [L113] SORT_5 var_22 = var_22_arg_0; [L114] SORT_5 var_23_arg_0 = var_22; [L115] SORT_5 var_23_arg_1 = var_8; [L116] SORT_3 var_23 = var_23_arg_0 == var_23_arg_1; [L117] SORT_5 var_24_arg_0 = state_9; [L118] SORT_5 var_24_arg_1 = var_8; [L119] SORT_3 var_24 = var_24_arg_0 == var_24_arg_1; [L120] SORT_3 var_25_arg_0 = var_24; [L121] SORT_3 var_25 = ~var_25_arg_0; [L122] SORT_3 var_26_arg_0 = var_23; [L123] SORT_3 var_26_arg_1 = var_25; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26_arg_0=1, var_26_arg_1=254, var_40=1, var_8=0] [L124] EXPR var_26_arg_0 | var_26_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26_arg_0 | var_26_arg_1=255, var_26_arg_0=1, var_26_arg_1=254, var_40=1, var_8=0] [L124] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L125] SORT_3 var_27_arg_0 = var_18; [L126] SORT_3 var_27_arg_1 = var_26; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27_arg_0=1, var_27_arg_1=255, var_40=1, var_8=0] [L127] EXPR var_27_arg_0 | var_27_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27_arg_0 | var_27_arg_1=256, var_27_arg_0=1, var_27_arg_1=255, var_40=1, var_8=0] [L127] SORT_3 var_27 = var_27_arg_0 | var_27_arg_1; [L128] SORT_5 var_28_arg_0 = state_9; [L129] SORT_5 var_28_arg_1 = var_8; [L130] SORT_3 var_28 = var_28_arg_0 == var_28_arg_1; [L131] SORT_5 var_29_arg_0 = state_13; [L132] SORT_5 var_29_arg_1 = var_8; [L133] SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; [L134] SORT_3 var_30_arg_0 = var_28; [L135] SORT_3 var_30_arg_1 = var_29; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30_arg_0=1, var_30_arg_1=1, var_40=1, var_8=0] [L136] EXPR var_30_arg_0 & var_30_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30_arg_0 & var_30_arg_1=1, var_30_arg_0=1, var_30_arg_1=1, var_40=1, var_8=0] [L136] SORT_3 var_30 = var_30_arg_0 & var_30_arg_1; [L137] SORT_3 var_31_arg_0 = var_30; [L138] SORT_3 var_31 = ~var_31_arg_0; [L139] SORT_3 var_32_arg_0 = state_20; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32_arg_0=0, var_40=1, var_8=0] [L140] EXPR var_32_arg_0 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32_arg_0 & mask_SORT_3=0, var_32_arg_0=0, var_40=1, var_8=0] [L140] var_32_arg_0 = var_32_arg_0 & mask_SORT_3 [L141] SORT_5 var_32 = var_32_arg_0; [L142] SORT_5 var_33_arg_0 = var_32; [L143] SORT_5 var_33_arg_1 = var_8; [L144] SORT_3 var_33 = var_33_arg_0 == var_33_arg_1; [L145] SORT_5 var_34_arg_0 = state_9; [L146] SORT_5 var_34_arg_1 = var_8; [L147] SORT_3 var_34 = var_34_arg_0 == var_34_arg_1; [L148] SORT_3 var_35_arg_0 = var_33; [L149] SORT_3 var_35_arg_1 = var_34; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35_arg_0=1, var_35_arg_1=1, var_40=1, var_8=0] [L150] EXPR var_35_arg_0 | var_35_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35_arg_0 | var_35_arg_1=1, var_35_arg_0=1, var_35_arg_1=1, var_40=1, var_8=0] [L150] SORT_3 var_35 = var_35_arg_0 | var_35_arg_1; [L151] SORT_3 var_36_arg_0 = var_31; [L152] SORT_3 var_36_arg_1 = var_35; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36_arg_0=254, var_36_arg_1=1, var_40=1, var_8=0] [L153] EXPR var_36_arg_0 | var_36_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36_arg_0 | var_36_arg_1=254, var_36_arg_0=254, var_36_arg_1=1, var_40=1, var_8=0] [L153] SORT_3 var_36 = var_36_arg_0 | var_36_arg_1; [L154] SORT_3 var_37_arg_0 = var_27; [L155] SORT_3 var_37_arg_1 = var_36; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_8=0] [L156] EXPR var_37_arg_0 & var_37_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37_arg_0 & var_37_arg_1=0, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_8=0] [L156] SORT_3 var_37 = var_37_arg_0 & var_37_arg_1; [L157] SORT_3 var_41_arg_0 = var_37; [L158] SORT_3 var_41 = ~var_41_arg_0; [L159] SORT_3 var_42_arg_0 = var_40; [L160] SORT_3 var_42_arg_1 = var_41; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_41=255, var_41_arg_0=0, var_42_arg_0=1, var_42_arg_1=255, var_8=0] [L161] EXPR var_42_arg_0 & var_42_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_41=255, var_41_arg_0=0, var_42_arg_0 & var_42_arg_1=1, var_42_arg_0=1, var_42_arg_1=255, var_8=0] [L161] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L162] EXPR var_42 & mask_SORT_3 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=2147483647, mask_SORT_57=1073741823, mask_SORT_59=536870911, mask_SORT_5=4294967295, mask_SORT_65=3, mask_SORT_71=268435455, mask_SORT_73=67108863, mask_SORT_79=15, mask_SORT_85=16777215, mask_SORT_87=1048575, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_5=2147483648, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_11=1, var_11_arg_0=0, var_11_arg_1=0, var_12=254, var_12_arg_0=1, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=254, var_16_arg_0=1, var_17=254, var_17_arg_0=254, var_17_arg_1=254, var_18=1, var_18_arg_0=254, var_19=0, var_22=0, var_22_arg_0=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=254, var_25_arg_0=1, var_26=255, var_26_arg_0=1, var_26_arg_1=254, var_27=0, var_27_arg_0=1, var_27_arg_1=255, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=1, var_29_arg_0=0, var_29_arg_1=0, var_30=1, var_30_arg_0=1, var_30_arg_1=1, var_31=254, var_31_arg_0=1, var_32=0, var_32_arg_0=0, var_33=1, var_33_arg_0=0, var_33_arg_1=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=1, var_36=254, var_36_arg_0=254, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_37_arg_1=254, var_40=1, var_41=255, var_41_arg_0=0, var_42 & mask_SORT_3=1, var_42=1, var_42_arg_0=1, var_42_arg_1=255, var_8=0] [L162] var_42 = var_42 & mask_SORT_3 [L163] SORT_3 bad_43_arg_0 = var_42; [L164] CALL __VERIFIER_assert(!(bad_43_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, 125 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.9s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21617 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21617 mSDsluCounter, 26471 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22195 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2403 IncrementalHoareTripleChecker+Invalid, 2438 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 4276 mSDtfsCounter, 2403 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 356 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 303 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3295 ImplicationChecksByTransitivity, 19.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=16, InterpolantAutomatonStates: 265, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 4873 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 14.1s InterpolantComputationTime, 711 NumberOfCodeBlocks, 711 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 3966 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 22:03:22,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/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_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/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_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/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_bc9259df-1ed3-4a75-9810-0559cd3fc833/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 c7f343ca08bbb19155b6fdcbbb14166f212aafb2275923d09d7fbaf9a31202b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:03:25,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:03:25,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 22:03:25,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:03:25,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:03:25,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:03:25,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:03:25,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:03:25,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:03:25,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:03:25,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:03:25,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:03:25,618 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:03:25,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:03:25,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:03:25,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:03:25,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:03:25,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:03:25,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:03:25,622 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:03:25,622 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:03:25,623 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:03:25,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:03:25,624 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:03:25,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:03:25,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:03:25,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:03:25,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:25,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:03:25,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:03:25,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:03:25,627 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:03:25,627 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:03:25,628 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:03:25,628 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:03:25,629 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:03:25,629 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:03:25,629 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:03:25,630 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:03:25,630 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_bc9259df-1ed3-4a75-9810-0559cd3fc833/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7f343ca08bbb19155b6fdcbbb14166f212aafb2275923d09d7fbaf9a31202b4 [2023-11-06 22:03:26,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:03:26,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:03:26,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:03:26,047 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:03:26,047 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:03:26,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2023-11-06 22:03:29,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:03:29,473 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:03:29,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2023-11-06 22:03:29,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/data/cd7f224c2/4235274e10054da8b5460343215fe943/FLAGacf849b24 [2023-11-06 22:03:29,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/data/cd7f224c2/4235274e10054da8b5460343215fe943 [2023-11-06 22:03:29,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:03:29,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:03:29,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:29,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:03:29,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:03:29,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:29" (1/1) ... [2023-11-06 22:03:29,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dcfcda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:29, skipping insertion in model container [2023-11-06 22:03:29,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:29" (1/1) ... [2023-11-06 22:03:29,590 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:03:29,797 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_bc9259df-1ed3-4a75-9810-0559cd3fc833/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1249,1262] [2023-11-06 22:03:29,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:29,924 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:03:29,937 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_bc9259df-1ed3-4a75-9810-0559cd3fc833/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1249,1262] [2023-11-06 22:03:30,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:30,026 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:03:30,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:30 WrapperNode [2023-11-06 22:03:30,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:30,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:30,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:03:30,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:03:30,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:30" (1/1) ... [2023-11-06 22:03:30,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:30" (1/1) ... [2023-11-06 22:03:30,134 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 288 [2023-11-06 22:03:30,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:30,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:03:30,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:03:30,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:03:30,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:30" (1/1) ... [2023-11-06 22:03:30,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:30" (1/1) ... [2023-11-06 22:03:30,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:30" (1/1) ... [2023-11-06 22:03:30,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:30" (1/1) ... [2023-11-06 22:03:30,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:30" (1/1) ... [2023-11-06 22:03:30,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:30" (1/1) ... [2023-11-06 22:03:30,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:30" (1/1) ... [2023-11-06 22:03:30,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:30" (1/1) ... [2023-11-06 22:03:30,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:03:30,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:03:30,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:03:30,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:03:30,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:30" (1/1) ... [2023-11-06 22:03:30,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:30,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:30,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:03:30,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:03:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:03:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:03:30,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:03:30,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:03:30,502 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:03:30,504 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:03:30,968 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:03:30,974 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:03:30,974 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:03:30,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:30 BoogieIcfgContainer [2023-11-06 22:03:30,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:03:30,979 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:03:30,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:03:30,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:03:30,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:03:29" (1/3) ... [2023-11-06 22:03:30,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2562dbc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:30, skipping insertion in model container [2023-11-06 22:03:30,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:30" (2/3) ... [2023-11-06 22:03:30,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2562dbc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:30, skipping insertion in model container [2023-11-06 22:03:30,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:30" (3/3) ... [2023-11-06 22:03:30,987 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Spinner.c [2023-11-06 22:03:31,007 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:03:31,007 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:03:31,076 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:03:31,086 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;@63cddcbc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:03:31,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:03:31,092 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 22:03:31,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 22:03:31,100 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:03:31,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:03:31,102 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:03:31,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:31,111 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 22:03:31,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:03:31,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694721416] [2023-11-06 22:03:31,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:31,131 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 22:03:31,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:03:31,141 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/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 22:03:31,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/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 22:03:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:31,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-06 22:03:31,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:03:31,813 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 22:03:31,814 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:03:31,815 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:03:31,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694721416] [2023-11-06 22:03:31,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [694721416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:31,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:31,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:03:31,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567789246] [2023-11-06 22:03:31,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:31,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:03:31,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:03:31,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:03:31,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:03:31,862 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 22:03:31,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:03:31,973 INFO L93 Difference]: Finished difference Result 17 states and 25 transitions. [2023-11-06 22:03:31,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:03:31,986 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 22:03:31,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:03:31,992 INFO L225 Difference]: With dead ends: 17 [2023-11-06 22:03:31,992 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:03:31,995 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 22:03:31,999 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:03:32,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:03:32,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:03:32,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:03:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 22:03:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:03:32,025 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2023-11-06 22:03:32,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:03:32,026 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:03:32,026 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 22:03:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:03:32,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:03:32,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:03:32,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/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 22:03:32,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/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 22:03:32,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:03:32,272 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:03:32,272 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-06 22:03:32,273 INFO L902 garLoopResultBuilder]: At program point L87-2(lines 87 302) the Hoare annotation is: true [2023-11-06 22:03:32,273 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-06 22:03:32,273 INFO L899 garLoopResultBuilder]: For program point L87-3(lines 87 302) no Hoare annotation was computed. [2023-11-06 22:03:32,273 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-06 22:03:32,273 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:03:32,274 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 23 304) the Hoare annotation is: false [2023-11-06 22:03:32,274 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:03:32,274 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:03:32,274 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-06 22:03:32,278 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-06 22:03:32,281 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:03:32,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:03:32 BoogieIcfgContainer [2023-11-06 22:03:32,289 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:03:32,289 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:03:32,289 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:03:32,290 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:03:32,290 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:30" (3/4) ... [2023-11-06 22:03:32,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:03:32,311 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-06 22:03:32,312 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:03:32,313 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:03:32,314 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:03:32,489 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:03:32,489 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:03:32,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:03:32,490 INFO L158 Benchmark]: Toolchain (without parser) took 2971.31ms. Allocated memory was 69.2MB in the beginning and 130.0MB in the end (delta: 60.8MB). Free memory was 35.4MB in the beginning and 105.1MB in the end (delta: -69.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:03:32,491 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:03:32,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.72ms. Allocated memory is still 69.2MB. Free memory was 35.2MB in the beginning and 34.5MB in the end (delta: 753.5kB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-11-06 22:03:32,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.16ms. Allocated memory is still 69.2MB. Free memory was 34.3MB in the beginning and 31.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:03:32,492 INFO L158 Benchmark]: Boogie Preprocessor took 97.00ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 31.3MB in the beginning and 84.2MB in the end (delta: -53.0MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-11-06 22:03:32,492 INFO L158 Benchmark]: RCFGBuilder took 743.38ms. Allocated memory is still 107.0MB. Free memory was 84.2MB in the beginning and 82.2MB in the end (delta: 2.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-06 22:03:32,493 INFO L158 Benchmark]: TraceAbstraction took 1310.20ms. Allocated memory is still 107.0MB. Free memory was 81.4MB in the beginning and 80.6MB in the end (delta: 812.1kB). Peak memory consumption was 514.0kB. Max. memory is 16.1GB. [2023-11-06 22:03:32,495 INFO L158 Benchmark]: Witness Printer took 200.37ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 80.6MB in the beginning and 105.1MB in the end (delta: -24.5MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-06 22:03:32,499 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.72ms. Allocated memory is still 69.2MB. Free memory was 35.2MB in the beginning and 34.5MB in the end (delta: 753.5kB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.16ms. Allocated memory is still 69.2MB. Free memory was 34.3MB in the beginning and 31.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.00ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 31.3MB in the beginning and 84.2MB in the end (delta: -53.0MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * RCFGBuilder took 743.38ms. Allocated memory is still 107.0MB. Free memory was 84.2MB in the beginning and 82.2MB in the end (delta: 2.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1310.20ms. Allocated memory is still 107.0MB. Free memory was 81.4MB in the beginning and 80.6MB in the end (delta: 812.1kB). Peak memory consumption was 514.0kB. Max. memory is 16.1GB. * Witness Printer took 200.37ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 80.6MB in the beginning and 105.1MB in the end (delta: -24.5MB). Peak memory consumption was 6.8MB. 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 36 NumberOfNonLiveVariables, 119 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:03:32,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc9259df-1ed3-4a75-9810-0559cd3fc833/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE