./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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 a9990c01c9a1f9597f7bc9fb384dfed8f76d280524d4aa5e1bce8b343e8f7c08 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:07:19,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:07:19,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:07:19,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:07:19,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:07:19,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:07:19,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:07:19,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:07:19,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:07:19,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:07:19,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:07:19,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:07:19,779 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:07:19,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:07:19,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:07:19,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:07:19,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:07:19,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:07:19,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:07:19,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:07:19,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:07:19,787 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:07:19,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:07:19,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:07:19,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:07:19,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:19,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:07:19,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:07:19,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:07:19,793 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:07:19,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:07:19,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:07:19,796 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:07:19,796 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:07:19,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:07:19,797 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:07:19,797 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_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9990c01c9a1f9597f7bc9fb384dfed8f76d280524d4aa5e1bce8b343e8f7c08 [2023-11-06 22:07:20,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:07:20,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:07:20,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:07:20,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:07:20,206 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:07:20,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2023-11-06 22:07:23,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:07:24,421 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:07:24,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2023-11-06 22:07:24,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/data/a8f9b80d7/f661a08d51c24c8ba50309eda221fa8f/FLAGbe7848c47 [2023-11-06 22:07:24,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/data/a8f9b80d7/f661a08d51c24c8ba50309eda221fa8f [2023-11-06 22:07:24,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:07:24,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:07:24,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:24,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:07:24,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:07:24,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:24" (1/1) ... [2023-11-06 22:07:24,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd743f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:24, skipping insertion in model container [2023-11-06 22:07:24,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:24" (1/1) ... [2023-11-06 22:07:24,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:07:24,791 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_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c[1245,1258] [2023-11-06 22:07:25,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:25,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:07:25,228 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_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c[1245,1258] [2023-11-06 22:07:25,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:25,466 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:07:25,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25 WrapperNode [2023-11-06 22:07:25,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:25,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:25,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:07:25,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:07:25,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,860 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1999 [2023-11-06 22:07:25,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:25,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:07:25,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:07:25,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:07:25,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:26,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:26,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:26,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:26,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:26,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:07:26,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:07:26,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:07:26,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:07:26,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:26,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:26,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:26,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:07:26,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:07:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:07:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:07:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:07:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:07:26,570 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:07:26,572 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:07:28,970 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:07:28,986 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:07:28,986 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:07:28,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:28 BoogieIcfgContainer [2023-11-06 22:07:28,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:07:28,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:07:28,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:07:29,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:07:29,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:07:24" (1/3) ... [2023-11-06 22:07:29,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe6c4d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:29, skipping insertion in model container [2023-11-06 22:07:29,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (2/3) ... [2023-11-06 22:07:29,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe6c4d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:29, skipping insertion in model container [2023-11-06 22:07:29,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:28" (3/3) ... [2023-11-06 22:07:29,008 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b03.c [2023-11-06 22:07:29,034 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:07:29,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:07:29,117 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:07:29,126 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;@6d30d743, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:07:29,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:07:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 141 states have (on average 1.6524822695035462) internal successors, (233), 142 states have internal predecessors, (233), 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 22:07:29,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-06 22:07:29,145 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:29,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:29,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:29,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:29,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1395322553, now seen corresponding path program 1 times [2023-11-06 22:07:29,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:29,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096833670] [2023-11-06 22:07:29,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:29,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:30,435 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 22:07:30,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:30,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096833670] [2023-11-06 22:07:30,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096833670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:30,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:30,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:07:30,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879936697] [2023-11-06 22:07:30,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:30,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:07:30,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:30,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:07:30,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:07:30,518 INFO L87 Difference]: Start difference. First operand has 143 states, 141 states have (on average 1.6524822695035462) internal successors, (233), 142 states have internal predecessors, (233), 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 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 22:07:30,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:30,649 INFO L93 Difference]: Finished difference Result 237 states and 389 transitions. [2023-11-06 22:07:30,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:30,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 57 [2023-11-06 22:07:30,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:30,666 INFO L225 Difference]: With dead ends: 237 [2023-11-06 22:07:30,667 INFO L226 Difference]: Without dead ends: 141 [2023-11-06 22:07:30,671 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 22:07:30,675 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 1 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 669 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 22:07:30,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 669 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:07:30,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-06 22:07:30,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2023-11-06 22:07:30,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 140 states have (on average 1.6357142857142857) internal successors, (229), 140 states have internal predecessors, (229), 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 22:07:30,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 229 transitions. [2023-11-06 22:07:30,752 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 229 transitions. Word has length 57 [2023-11-06 22:07:30,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:30,753 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 229 transitions. [2023-11-06 22:07:30,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 22:07:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 229 transitions. [2023-11-06 22:07:30,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 22:07:30,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:30,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:30,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:07:30,758 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:30,759 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:30,759 INFO L85 PathProgramCache]: Analyzing trace with hash 307111025, now seen corresponding path program 1 times [2023-11-06 22:07:30,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:30,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376870639] [2023-11-06 22:07:30,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:30,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:31,211 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 22:07:31,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:31,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376870639] [2023-11-06 22:07:31,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376870639] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:31,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:31,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:07:31,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31628802] [2023-11-06 22:07:31,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:31,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:07:31,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:31,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:07:31,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:07:31,219 INFO L87 Difference]: Start difference. First operand 141 states and 229 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 22:07:31,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:31,296 INFO L93 Difference]: Finished difference Result 238 states and 385 transitions. [2023-11-06 22:07:31,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:31,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 58 [2023-11-06 22:07:31,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:31,300 INFO L225 Difference]: With dead ends: 238 [2023-11-06 22:07:31,300 INFO L226 Difference]: Without dead ends: 144 [2023-11-06 22:07:31,301 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 22:07:31,303 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 1 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 666 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 22:07:31,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 666 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:07:31,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-06 22:07:31,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 143. [2023-11-06 22:07:31,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.6267605633802817) internal successors, (231), 142 states have internal predecessors, (231), 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 22:07:31,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 231 transitions. [2023-11-06 22:07:31,321 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 231 transitions. Word has length 58 [2023-11-06 22:07:31,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:31,322 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 231 transitions. [2023-11-06 22:07:31,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 22:07:31,322 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 231 transitions. [2023-11-06 22:07:31,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-06 22:07:31,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:31,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:31,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:07:31,326 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:31,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:31,327 INFO L85 PathProgramCache]: Analyzing trace with hash 718287569, now seen corresponding path program 1 times [2023-11-06 22:07:31,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:31,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973053414] [2023-11-06 22:07:31,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:31,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,608 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 22:07:32,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:32,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973053414] [2023-11-06 22:07:32,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973053414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:32,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:32,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:07:32,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545607741] [2023-11-06 22:07:32,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:32,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:07:32,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:32,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:07:32,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:07:32,615 INFO L87 Difference]: Start difference. First operand 143 states and 231 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 22:07:33,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:33,027 INFO L93 Difference]: Finished difference Result 437 states and 701 transitions. [2023-11-06 22:07:33,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:07:33,028 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 59 [2023-11-06 22:07:33,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:33,038 INFO L225 Difference]: With dead ends: 437 [2023-11-06 22:07:33,039 INFO L226 Difference]: Without dead ends: 341 [2023-11-06 22:07:33,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:07:33,048 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 832 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:33,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 1251 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:07:33,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-11-06 22:07:33,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 149. [2023-11-06 22:07:33,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 148 states have (on average 1.6081081081081081) internal successors, (238), 148 states have internal predecessors, (238), 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 22:07:33,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 238 transitions. [2023-11-06 22:07:33,080 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 238 transitions. Word has length 59 [2023-11-06 22:07:33,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:33,081 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 238 transitions. [2023-11-06 22:07:33,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 22:07:33,081 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 238 transitions. [2023-11-06 22:07:33,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-06 22:07:33,084 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:33,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:33,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:07:33,085 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:33,085 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:33,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1801672365, now seen corresponding path program 1 times [2023-11-06 22:07:33,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:33,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567999657] [2023-11-06 22:07:33,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:33,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:34,802 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 22:07:34,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:34,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567999657] [2023-11-06 22:07:34,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567999657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:34,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:34,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:07:34,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802812283] [2023-11-06 22:07:34,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:34,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:07:34,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:34,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:07:34,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:07:34,806 INFO L87 Difference]: Start difference. First operand 149 states and 238 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 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 22:07:35,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:35,727 INFO L93 Difference]: Finished difference Result 590 states and 931 transitions. [2023-11-06 22:07:35,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-06 22:07:35,728 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 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 59 [2023-11-06 22:07:35,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:35,733 INFO L225 Difference]: With dead ends: 590 [2023-11-06 22:07:35,734 INFO L226 Difference]: Without dead ends: 488 [2023-11-06 22:07:35,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=226, Invalid=586, Unknown=0, NotChecked=0, Total=812 [2023-11-06 22:07:35,737 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 1947 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1947 SdHoareTripleChecker+Valid, 1734 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:35,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1947 Valid, 1734 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:07:35,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2023-11-06 22:07:35,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 160. [2023-11-06 22:07:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.5974842767295598) internal successors, (254), 159 states have internal predecessors, (254), 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 22:07:35,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 254 transitions. [2023-11-06 22:07:35,752 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 254 transitions. Word has length 59 [2023-11-06 22:07:35,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:35,753 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 254 transitions. [2023-11-06 22:07:35,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 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 22:07:35,753 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 254 transitions. [2023-11-06 22:07:35,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-06 22:07:35,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:35,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:35,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:07:35,757 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:35,757 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:35,758 INFO L85 PathProgramCache]: Analyzing trace with hash -467278799, now seen corresponding path program 1 times [2023-11-06 22:07:35,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:35,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133484476] [2023-11-06 22:07:35,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:35,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:36,531 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 22:07:36,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:36,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133484476] [2023-11-06 22:07:36,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133484476] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:36,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:36,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:07:36,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146087670] [2023-11-06 22:07:36,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:36,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:07:36,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:36,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:07:36,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:07:36,539 INFO L87 Difference]: Start difference. First operand 160 states and 254 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 22:07:36,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:36,916 INFO L93 Difference]: Finished difference Result 528 states and 826 transitions. [2023-11-06 22:07:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:07:36,918 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 60 [2023-11-06 22:07:36,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:36,922 INFO L225 Difference]: With dead ends: 528 [2023-11-06 22:07:36,922 INFO L226 Difference]: Without dead ends: 412 [2023-11-06 22:07:36,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:07:36,929 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 1061 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1061 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:36,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1061 Valid, 1383 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:07:36,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-06 22:07:36,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 173. [2023-11-06 22:07:36,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.5755813953488371) internal successors, (271), 172 states have internal predecessors, (271), 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 22:07:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 271 transitions. [2023-11-06 22:07:36,955 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 271 transitions. Word has length 60 [2023-11-06 22:07:36,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:36,956 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 271 transitions. [2023-11-06 22:07:36,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 22:07:36,956 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 271 transitions. [2023-11-06 22:07:36,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-06 22:07:36,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:36,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:36,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:07:36,966 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:36,966 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:36,967 INFO L85 PathProgramCache]: Analyzing trace with hash -2086460841, now seen corresponding path program 1 times [2023-11-06 22:07:36,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:36,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320196481] [2023-11-06 22:07:36,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:36,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:37,276 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 22:07:37,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:37,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320196481] [2023-11-06 22:07:37,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320196481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:37,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:37,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:37,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200027768] [2023-11-06 22:07:37,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:37,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:37,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:37,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:37,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:37,280 INFO L87 Difference]: Start difference. First operand 173 states and 271 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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 22:07:37,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:37,401 INFO L93 Difference]: Finished difference Result 423 states and 655 transitions. [2023-11-06 22:07:37,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:07:37,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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 60 [2023-11-06 22:07:37,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:37,408 INFO L225 Difference]: With dead ends: 423 [2023-11-06 22:07:37,408 INFO L226 Difference]: Without dead ends: 295 [2023-11-06 22:07:37,409 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 22:07:37,412 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 484 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 648 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 22:07:37,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 648 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:07:37,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-11-06 22:07:37,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 200. [2023-11-06 22:07:37,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.5527638190954773) internal successors, (309), 199 states have internal predecessors, (309), 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 22:07:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 309 transitions. [2023-11-06 22:07:37,437 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 309 transitions. Word has length 60 [2023-11-06 22:07:37,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:37,439 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 309 transitions. [2023-11-06 22:07:37,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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 22:07:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 309 transitions. [2023-11-06 22:07:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-06 22:07:37,445 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:37,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:37,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:07:37,452 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:37,453 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:37,453 INFO L85 PathProgramCache]: Analyzing trace with hash 668120009, now seen corresponding path program 1 times [2023-11-06 22:07:37,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:37,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787175804] [2023-11-06 22:07:37,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:37,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:37,784 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 22:07:37,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:37,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787175804] [2023-11-06 22:07:37,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787175804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:37,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:37,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:37,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684654321] [2023-11-06 22:07:37,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:37,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:37,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:37,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:37,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:37,791 INFO L87 Difference]: Start difference. First operand 200 states and 309 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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 22:07:37,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:37,912 INFO L93 Difference]: Finished difference Result 421 states and 649 transitions. [2023-11-06 22:07:37,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:07:37,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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 60 [2023-11-06 22:07:37,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:37,918 INFO L225 Difference]: With dead ends: 421 [2023-11-06 22:07:37,918 INFO L226 Difference]: Without dead ends: 281 [2023-11-06 22:07:37,919 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 22:07:37,920 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 484 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:37,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 649 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:07:37,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-06 22:07:37,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 188. [2023-11-06 22:07:37,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.5508021390374331) internal successors, (290), 187 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 22:07:37,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 290 transitions. [2023-11-06 22:07:37,932 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 290 transitions. Word has length 60 [2023-11-06 22:07:37,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:37,933 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 290 transitions. [2023-11-06 22:07:37,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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 22:07:37,933 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 290 transitions. [2023-11-06 22:07:37,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-06 22:07:37,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:37,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:37,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:07:37,935 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:37,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:37,935 INFO L85 PathProgramCache]: Analyzing trace with hash -980298809, now seen corresponding path program 1 times [2023-11-06 22:07:37,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:37,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279727604] [2023-11-06 22:07:37,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:37,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:39,027 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 22:07:39,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:39,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279727604] [2023-11-06 22:07:39,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279727604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:39,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:39,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:07:39,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986711311] [2023-11-06 22:07:39,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:39,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:07:39,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:39,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:07:39,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:07:39,031 INFO L87 Difference]: Start difference. First operand 188 states and 290 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 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 22:07:40,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:40,506 INFO L93 Difference]: Finished difference Result 869 states and 1334 transitions. [2023-11-06 22:07:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-06 22:07:40,507 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 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 61 [2023-11-06 22:07:40,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:40,513 INFO L225 Difference]: With dead ends: 869 [2023-11-06 22:07:40,513 INFO L226 Difference]: Without dead ends: 743 [2023-11-06 22:07:40,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=364, Invalid=1042, Unknown=0, NotChecked=0, Total=1406 [2023-11-06 22:07:40,516 INFO L413 NwaCegarLoop]: 494 mSDtfsCounter, 1670 mSDsluCounter, 3097 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 3591 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:40,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1670 Valid, 3591 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:07:40,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2023-11-06 22:07:40,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 205. [2023-11-06 22:07:40,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 204 states have (on average 1.5343137254901962) internal successors, (313), 204 states have internal predecessors, (313), 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 22:07:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 313 transitions. [2023-11-06 22:07:40,533 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 313 transitions. Word has length 61 [2023-11-06 22:07:40,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:40,534 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 313 transitions. [2023-11-06 22:07:40,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 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 22:07:40,534 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 313 transitions. [2023-11-06 22:07:40,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-06 22:07:40,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:40,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:40,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:07:40,536 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:40,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:40,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1501789537, now seen corresponding path program 1 times [2023-11-06 22:07:40,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:40,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137741429] [2023-11-06 22:07:40,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:40,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:40,849 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 22:07:40,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:40,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137741429] [2023-11-06 22:07:40,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137741429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:40,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:40,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:40,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64110606] [2023-11-06 22:07:40,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:40,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:40,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:40,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:40,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:07:40,853 INFO L87 Difference]: Start difference. First operand 205 states and 313 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 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 22:07:40,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:40,971 INFO L93 Difference]: Finished difference Result 440 states and 671 transitions. [2023-11-06 22:07:40,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:07:40,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 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 61 [2023-11-06 22:07:40,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:40,975 INFO L225 Difference]: With dead ends: 440 [2023-11-06 22:07:40,975 INFO L226 Difference]: Without dead ends: 289 [2023-11-06 22:07:40,976 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 22:07:40,977 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 468 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 648 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 22:07:40,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 648 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:07:40,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-11-06 22:07:40,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 197. [2023-11-06 22:07:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 1.5357142857142858) internal successors, (301), 196 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 22:07:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 301 transitions. [2023-11-06 22:07:40,991 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 301 transitions. Word has length 61 [2023-11-06 22:07:40,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:40,991 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 301 transitions. [2023-11-06 22:07:40,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 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 22:07:40,992 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 301 transitions. [2023-11-06 22:07:40,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-06 22:07:40,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:40,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:40,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:07:40,993 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:40,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:40,994 INFO L85 PathProgramCache]: Analyzing trace with hash 390122159, now seen corresponding path program 1 times [2023-11-06 22:07:40,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:40,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215010838] [2023-11-06 22:07:40,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:40,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:41,973 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 22:07:41,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:41,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215010838] [2023-11-06 22:07:41,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215010838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:41,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:41,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:07:41,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820076480] [2023-11-06 22:07:41,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:41,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:07:41,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:41,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:07:41,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:07:41,977 INFO L87 Difference]: Start difference. First operand 197 states and 301 transitions. Second operand has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 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 22:07:43,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:43,491 INFO L93 Difference]: Finished difference Result 768 states and 1171 transitions. [2023-11-06 22:07:43,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-06 22:07:43,491 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 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 62 [2023-11-06 22:07:43,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:43,495 INFO L225 Difference]: With dead ends: 768 [2023-11-06 22:07:43,495 INFO L226 Difference]: Without dead ends: 627 [2023-11-06 22:07:43,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=307, Invalid=749, Unknown=0, NotChecked=0, Total=1056 [2023-11-06 22:07:43,497 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 2528 mSDsluCounter, 1922 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2528 SdHoareTripleChecker+Valid, 2155 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:43,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2528 Valid, 2155 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:07:43,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2023-11-06 22:07:43,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 205. [2023-11-06 22:07:43,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 204 states have (on average 1.5294117647058822) internal successors, (312), 204 states have internal predecessors, (312), 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 22:07:43,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 312 transitions. [2023-11-06 22:07:43,512 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 312 transitions. Word has length 62 [2023-11-06 22:07:43,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:43,513 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 312 transitions. [2023-11-06 22:07:43,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 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 22:07:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 312 transitions. [2023-11-06 22:07:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-06 22:07:43,515 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:43,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:43,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:07:43,515 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:43,516 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:43,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1401239409, now seen corresponding path program 1 times [2023-11-06 22:07:43,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:43,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066271850] [2023-11-06 22:07:43,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:43,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:44,681 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 22:07:44,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:44,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066271850] [2023-11-06 22:07:44,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066271850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:44,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:44,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-06 22:07:44,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823307147] [2023-11-06 22:07:44,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:44,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:07:44,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:44,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:07:44,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:07:44,684 INFO L87 Difference]: Start difference. First operand 205 states and 312 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 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 22:07:50,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:50,338 INFO L93 Difference]: Finished difference Result 2189 states and 3348 transitions. [2023-11-06 22:07:50,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-11-06 22:07:50,338 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 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 62 [2023-11-06 22:07:50,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:50,351 INFO L225 Difference]: With dead ends: 2189 [2023-11-06 22:07:50,351 INFO L226 Difference]: Without dead ends: 2040 [2023-11-06 22:07:50,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4477 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=2054, Invalid=9288, Unknown=0, NotChecked=0, Total=11342 [2023-11-06 22:07:50,358 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 3620 mSDsluCounter, 5702 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3620 SdHoareTripleChecker+Valid, 5960 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:50,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3620 Valid, 5960 Invalid, 440 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:07:50,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2023-11-06 22:07:50,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 212. [2023-11-06 22:07:50,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 211 states have (on average 1.5260663507109005) internal successors, (322), 211 states have internal predecessors, (322), 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 22:07:50,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 322 transitions. [2023-11-06 22:07:50,385 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 322 transitions. Word has length 62 [2023-11-06 22:07:50,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:50,385 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 322 transitions. [2023-11-06 22:07:50,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 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 22:07:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 322 transitions. [2023-11-06 22:07:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-06 22:07:50,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:50,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:50,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:07:50,387 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:50,388 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:50,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1398752327, now seen corresponding path program 1 times [2023-11-06 22:07:50,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:50,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827204943] [2023-11-06 22:07:50,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:50,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:51,227 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 22:07:51,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:51,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827204943] [2023-11-06 22:07:51,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827204943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:51,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:51,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-11-06 22:07:51,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362950605] [2023-11-06 22:07:51,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:51,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-06 22:07:51,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:51,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-06 22:07:51,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:07:51,230 INFO L87 Difference]: Start difference. First operand 212 states and 322 transitions. Second operand has 16 states, 16 states have (on average 3.9375) internal successors, (63), 16 states have internal predecessors, (63), 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 22:07:54,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:54,445 INFO L93 Difference]: Finished difference Result 1022 states and 1548 transitions. [2023-11-06 22:07:54,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-06 22:07:54,445 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.9375) internal successors, (63), 16 states have internal predecessors, (63), 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 63 [2023-11-06 22:07:54,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:54,450 INFO L225 Difference]: With dead ends: 1022 [2023-11-06 22:07:54,451 INFO L226 Difference]: Without dead ends: 866 [2023-11-06 22:07:54,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1105 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1031, Invalid=3001, Unknown=0, NotChecked=0, Total=4032 [2023-11-06 22:07:54,454 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 2981 mSDsluCounter, 3627 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2981 SdHoareTripleChecker+Valid, 4009 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:54,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2981 Valid, 4009 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:07:54,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2023-11-06 22:07:54,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 221. [2023-11-06 22:07:54,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 220 states have (on average 1.5227272727272727) internal successors, (335), 220 states have internal predecessors, (335), 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 22:07:54,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 335 transitions. [2023-11-06 22:07:54,468 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 335 transitions. Word has length 63 [2023-11-06 22:07:54,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:54,469 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 335 transitions. [2023-11-06 22:07:54,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.9375) internal successors, (63), 16 states have internal predecessors, (63), 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 22:07:54,469 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 335 transitions. [2023-11-06 22:07:54,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-06 22:07:54,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:54,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:54,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:07:54,471 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:54,471 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:54,471 INFO L85 PathProgramCache]: Analyzing trace with hash 376255035, now seen corresponding path program 1 times [2023-11-06 22:07:54,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:54,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763436902] [2023-11-06 22:07:54,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:54,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,948 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 22:07:54,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:54,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763436902] [2023-11-06 22:07:54,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763436902] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:54,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:54,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:07:54,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893050435] [2023-11-06 22:07:54,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:54,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:07:54,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:54,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:07:54,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:07:54,951 INFO L87 Difference]: Start difference. First operand 221 states and 335 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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 22:07:55,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:55,361 INFO L93 Difference]: Finished difference Result 417 states and 626 transitions. [2023-11-06 22:07:55,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:07:55,362 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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 63 [2023-11-06 22:07:55,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:55,364 INFO L225 Difference]: With dead ends: 417 [2023-11-06 22:07:55,364 INFO L226 Difference]: Without dead ends: 252 [2023-11-06 22:07:55,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:07:55,371 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 321 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:55,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 761 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:07:55,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-06 22:07:55,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 221. [2023-11-06 22:07:55,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 220 states have (on average 1.518181818181818) internal successors, (334), 220 states have internal predecessors, (334), 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 22:07:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 334 transitions. [2023-11-06 22:07:55,386 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 334 transitions. Word has length 63 [2023-11-06 22:07:55,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:55,386 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 334 transitions. [2023-11-06 22:07:55,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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 22:07:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 334 transitions. [2023-11-06 22:07:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-06 22:07:55,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:55,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:55,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:07:55,389 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:55,390 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:55,390 INFO L85 PathProgramCache]: Analyzing trace with hash 376195453, now seen corresponding path program 1 times [2023-11-06 22:07:55,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:55,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091348485] [2023-11-06 22:07:55,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:55,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:07:55,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:07:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:07:55,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:07:55,638 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:07:55,639 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:07:55,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:07:55,645 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:55,649 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:07:55,783 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 22:07:55,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:07:55 BoogieIcfgContainer [2023-11-06 22:07:55,819 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:07:55,820 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:07:55,820 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:07:55,820 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:07:55,821 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:28" (3/4) ... [2023-11-06 22:07:55,823 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:07:55,824 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:07:55,825 INFO L158 Benchmark]: Toolchain (without parser) took 31357.18ms. Allocated memory was 157.3MB in the beginning and 469.8MB in the end (delta: 312.5MB). Free memory was 116.2MB in the beginning and 176.4MB in the end (delta: -60.1MB). Peak memory consumption was 254.0MB. Max. memory is 16.1GB. [2023-11-06 22:07:55,826 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 123.7MB. Free memory was 76.6MB in the beginning and 76.5MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:55,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 995.28ms. Allocated memory is still 157.3MB. Free memory was 115.8MB in the beginning and 69.1MB in the end (delta: 46.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-06 22:07:55,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 391.92ms. Allocated memory is still 157.3MB. Free memory was 69.1MB in the beginning and 104.7MB in the end (delta: -35.5MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2023-11-06 22:07:55,827 INFO L158 Benchmark]: Boogie Preprocessor took 223.63ms. Allocated memory is still 157.3MB. Free memory was 104.7MB in the beginning and 93.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:07:55,828 INFO L158 Benchmark]: RCFGBuilder took 2904.91ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 93.0MB in the beginning and 88.8MB in the end (delta: 4.1MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:55,828 INFO L158 Benchmark]: TraceAbstraction took 26824.87ms. Allocated memory was 203.4MB in the beginning and 469.8MB in the end (delta: 266.3MB). Free memory was 87.8MB in the beginning and 176.4MB in the end (delta: -88.6MB). Peak memory consumption was 176.7MB. Max. memory is 16.1GB. [2023-11-06 22:07:55,828 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 469.8MB. Free memory is still 176.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:55,831 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 123.7MB. Free memory was 76.6MB in the beginning and 76.5MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 995.28ms. Allocated memory is still 157.3MB. Free memory was 115.8MB in the beginning and 69.1MB in the end (delta: 46.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 391.92ms. Allocated memory is still 157.3MB. Free memory was 69.1MB in the beginning and 104.7MB in the end (delta: -35.5MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 223.63ms. Allocated memory is still 157.3MB. Free memory was 104.7MB in the beginning and 93.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2904.91ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 93.0MB in the beginning and 88.8MB in the end (delta: 4.1MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * TraceAbstraction took 26824.87ms. Allocated memory was 203.4MB in the beginning and 469.8MB in the end (delta: 266.3MB). Free memory was 87.8MB in the beginning and 176.4MB in the end (delta: -88.6MB). Peak memory consumption was 176.7MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 469.8MB. Free memory is still 176.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 375. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 4); [L30] const SORT_7 msb_SORT_7 = (SORT_7)1 << (4 - 1); [L32] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L33] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L35] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 3); [L36] const SORT_37 msb_SORT_37 = (SORT_37)1 << (3 - 1); [L38] const SORT_67 mask_SORT_67 = (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 2); [L39] const SORT_67 msb_SORT_67 = (SORT_67)1 << (2 - 1); [L41] const SORT_7 var_8 = 0; [L42] const SORT_11 var_13 = 0; [L43] const SORT_11 var_16 = 8; [L44] const SORT_11 var_20 = 4; [L45] const SORT_11 var_24 = 2; [L46] const SORT_11 var_28 = 1; [L47] const SORT_1 var_33 = 1; [L48] const SORT_37 var_38 = 0; [L49] const SORT_1 var_47 = 0; [L50] const SORT_67 var_68 = 0; [L51] const SORT_67 var_71 = 1; [L52] const SORT_37 var_81 = 7; [L53] const SORT_37 var_104 = 1; [L54] const SORT_37 var_123 = 2; [L55] const SORT_37 var_138 = 4; [L56] const SORT_67 var_154 = 2; [L57] const SORT_7 var_394 = 8; [L58] const SORT_7 var_397 = 4; [L59] const SORT_7 var_400 = 2; [L60] const SORT_7 var_401 = 1; [L62] SORT_1 input_2; [L63] SORT_1 input_3; [L64] SORT_1 input_4; [L65] SORT_1 input_5; [L66] SORT_1 input_6; [L67] SORT_37 input_75; [L68] SORT_37 input_76; [L69] SORT_37 input_77; [L70] SORT_37 input_78; [L71] SORT_37 input_79; [L72] SORT_37 input_80; [L73] SORT_37 input_85; [L74] SORT_37 input_87; [L75] SORT_37 input_89; [L76] SORT_37 input_94; [L77] SORT_37 input_96; [L78] SORT_37 input_98; [L79] SORT_37 input_102; [L80] SORT_37 input_103; [L81] SORT_37 input_108; [L82] SORT_37 input_110; [L83] SORT_37 input_115; [L84] SORT_37 input_117; [L85] SORT_37 input_121; [L86] SORT_37 input_122; [L87] SORT_37 input_127; [L88] SORT_37 input_132; [L89] SORT_37 input_136; [L90] SORT_37 input_137; [L91] SORT_37 input_149; [L92] SORT_37 input_160; [L93] SORT_37 input_161; [L94] SORT_37 input_162; [L95] SORT_37 input_163; [L96] SORT_37 input_164; [L97] SORT_37 input_165; [L98] SORT_37 input_168; [L99] SORT_37 input_170; [L100] SORT_37 input_172; [L101] SORT_37 input_177; [L102] SORT_37 input_179; [L103] SORT_37 input_181; [L104] SORT_37 input_185; [L105] SORT_37 input_186; [L106] SORT_37 input_189; [L107] SORT_37 input_191; [L108] SORT_37 input_196; [L109] SORT_37 input_198; [L110] SORT_37 input_202; [L111] SORT_37 input_203; [L112] SORT_37 input_206; [L113] SORT_37 input_211; [L114] SORT_37 input_215; [L115] SORT_37 input_216; [L116] SORT_37 input_226; [L117] SORT_37 input_233; [L118] SORT_37 input_234; [L119] SORT_37 input_235; [L120] SORT_37 input_236; [L121] SORT_37 input_237; [L122] SORT_37 input_238; [L123] SORT_37 input_241; [L124] SORT_37 input_243; [L125] SORT_37 input_245; [L126] SORT_37 input_250; [L127] SORT_37 input_252; [L128] SORT_37 input_254; [L129] SORT_37 input_258; [L130] SORT_37 input_259; [L131] SORT_37 input_262; [L132] SORT_37 input_264; [L133] SORT_37 input_269; [L134] SORT_37 input_271; [L135] SORT_37 input_275; [L136] SORT_37 input_276; [L137] SORT_37 input_279; [L138] SORT_37 input_284; [L139] SORT_37 input_288; [L140] SORT_37 input_289; [L141] SORT_37 input_299; [L142] SORT_37 input_306; [L143] SORT_37 input_307; [L144] SORT_37 input_308; [L145] SORT_37 input_309; [L146] SORT_37 input_310; [L147] SORT_37 input_311; [L148] SORT_37 input_314; [L149] SORT_37 input_316; [L150] SORT_37 input_318; [L151] SORT_37 input_323; [L152] SORT_37 input_325; [L153] SORT_37 input_327; [L154] SORT_37 input_331; [L155] SORT_37 input_332; [L156] SORT_37 input_335; [L157] SORT_37 input_337; [L158] SORT_37 input_342; [L159] SORT_37 input_344; [L160] SORT_37 input_348; [L161] SORT_37 input_349; [L162] SORT_37 input_352; [L163] SORT_37 input_357; [L164] SORT_37 input_361; [L165] SORT_37 input_362; [L166] SORT_37 input_372; [L167] SORT_7 input_391; [L168] SORT_7 input_392; [L169] SORT_7 input_393; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [__VERIFIER_nondet_uchar() & mask_SORT_7=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L171] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L172] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 VAL [__VERIFIER_nondet_uchar() & mask_SORT_37=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L172] SORT_37 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L173] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 VAL [__VERIFIER_nondet_uchar() & mask_SORT_37=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L173] SORT_37 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 VAL [__VERIFIER_nondet_uchar() & mask_SORT_37=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L174] SORT_37 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 VAL [__VERIFIER_nondet_uchar() & mask_SORT_37=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L175] SORT_37 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L176] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L177] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L178] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L179] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L179] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L180] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [__VERIFIER_nondet_uchar() & mask_SORT_7=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L180] SORT_7 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L181] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L181] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L182] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L182] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L183] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L183] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L184] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L184] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L185] EXPR __VERIFIER_nondet_uchar() & mask_SORT_67 VAL [__VERIFIER_nondet_uchar() & mask_SORT_67=0, __VERIFIER_nondet_uchar()=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L185] SORT_67 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_67; [L187] SORT_7 init_10_arg_1 = var_8; [L188] state_9 = init_10_arg_1 [L189] SORT_37 init_40_arg_1 = var_38; [L190] state_39 = init_40_arg_1 [L191] SORT_37 init_42_arg_1 = var_38; [L192] state_41 = init_42_arg_1 [L193] SORT_37 init_44_arg_1 = var_38; [L194] state_43 = init_44_arg_1 [L195] SORT_37 init_46_arg_1 = var_38; [L196] state_45 = init_46_arg_1 [L197] SORT_1 init_49_arg_1 = var_47; [L198] state_48 = init_49_arg_1 [L199] SORT_1 init_51_arg_1 = var_47; [L200] state_50 = init_51_arg_1 [L201] SORT_1 init_53_arg_1 = var_47; [L202] state_52 = init_53_arg_1 [L203] SORT_1 init_55_arg_1 = var_47; [L204] state_54 = init_55_arg_1 [L205] SORT_7 init_57_arg_1 = var_8; [L206] state_56 = init_57_arg_1 [L207] SORT_1 init_60_arg_1 = var_47; [L208] state_59 = init_60_arg_1 [L209] SORT_1 init_62_arg_1 = var_47; [L210] state_61 = init_62_arg_1 [L211] SORT_1 init_64_arg_1 = var_47; [L212] state_63 = init_64_arg_1 [L213] SORT_1 init_66_arg_1 = var_47; [L214] state_65 = init_66_arg_1 [L215] SORT_67 init_70_arg_1 = var_68; [L216] state_69 = init_70_arg_1 VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L219] input_2 = __VERIFIER_nondet_uchar() [L220] input_3 = __VERIFIER_nondet_uchar() [L221] input_4 = __VERIFIER_nondet_uchar() [L222] input_5 = __VERIFIER_nondet_uchar() [L223] input_6 = __VERIFIER_nondet_uchar() [L224] input_75 = __VERIFIER_nondet_uchar() [L225] input_76 = __VERIFIER_nondet_uchar() [L226] input_77 = __VERIFIER_nondet_uchar() [L227] input_78 = __VERIFIER_nondet_uchar() [L228] input_79 = __VERIFIER_nondet_uchar() [L229] input_80 = __VERIFIER_nondet_uchar() [L230] input_85 = __VERIFIER_nondet_uchar() [L231] input_87 = __VERIFIER_nondet_uchar() [L232] input_89 = __VERIFIER_nondet_uchar() [L233] input_94 = __VERIFIER_nondet_uchar() [L234] input_96 = __VERIFIER_nondet_uchar() [L235] input_98 = __VERIFIER_nondet_uchar() [L236] input_102 = __VERIFIER_nondet_uchar() [L237] input_103 = __VERIFIER_nondet_uchar() [L238] input_108 = __VERIFIER_nondet_uchar() [L239] input_110 = __VERIFIER_nondet_uchar() [L240] input_115 = __VERIFIER_nondet_uchar() [L241] input_117 = __VERIFIER_nondet_uchar() [L242] input_121 = __VERIFIER_nondet_uchar() [L243] input_122 = __VERIFIER_nondet_uchar() [L244] input_127 = __VERIFIER_nondet_uchar() [L245] input_132 = __VERIFIER_nondet_uchar() [L246] input_136 = __VERIFIER_nondet_uchar() [L247] input_137 = __VERIFIER_nondet_uchar() [L248] input_149 = __VERIFIER_nondet_uchar() [L249] input_160 = __VERIFIER_nondet_uchar() [L250] input_161 = __VERIFIER_nondet_uchar() [L251] input_162 = __VERIFIER_nondet_uchar() [L252] input_163 = __VERIFIER_nondet_uchar() [L253] input_164 = __VERIFIER_nondet_uchar() [L254] input_165 = __VERIFIER_nondet_uchar() [L255] input_168 = __VERIFIER_nondet_uchar() [L256] input_170 = __VERIFIER_nondet_uchar() [L257] input_172 = __VERIFIER_nondet_uchar() [L258] input_177 = __VERIFIER_nondet_uchar() [L259] input_179 = __VERIFIER_nondet_uchar() [L260] input_181 = __VERIFIER_nondet_uchar() [L261] input_185 = __VERIFIER_nondet_uchar() [L262] input_186 = __VERIFIER_nondet_uchar() [L263] input_189 = __VERIFIER_nondet_uchar() [L264] input_191 = __VERIFIER_nondet_uchar() [L265] input_196 = __VERIFIER_nondet_uchar() [L266] input_198 = __VERIFIER_nondet_uchar() [L267] input_202 = __VERIFIER_nondet_uchar() [L268] input_203 = __VERIFIER_nondet_uchar() [L269] input_206 = __VERIFIER_nondet_uchar() [L270] input_211 = __VERIFIER_nondet_uchar() [L271] input_215 = __VERIFIER_nondet_uchar() [L272] input_216 = __VERIFIER_nondet_uchar() [L273] input_226 = __VERIFIER_nondet_uchar() [L274] input_233 = __VERIFIER_nondet_uchar() [L275] input_234 = __VERIFIER_nondet_uchar() [L276] input_235 = __VERIFIER_nondet_uchar() [L277] input_236 = __VERIFIER_nondet_uchar() [L278] input_237 = __VERIFIER_nondet_uchar() [L279] input_238 = __VERIFIER_nondet_uchar() [L280] input_241 = __VERIFIER_nondet_uchar() [L281] input_243 = __VERIFIER_nondet_uchar() [L282] input_245 = __VERIFIER_nondet_uchar() [L283] input_250 = __VERIFIER_nondet_uchar() [L284] input_252 = __VERIFIER_nondet_uchar() [L285] input_254 = __VERIFIER_nondet_uchar() [L286] input_258 = __VERIFIER_nondet_uchar() [L287] input_259 = __VERIFIER_nondet_uchar() [L288] input_262 = __VERIFIER_nondet_uchar() [L289] input_264 = __VERIFIER_nondet_uchar() [L290] input_269 = __VERIFIER_nondet_uchar() [L291] input_271 = __VERIFIER_nondet_uchar() [L292] input_275 = __VERIFIER_nondet_uchar() [L293] input_276 = __VERIFIER_nondet_uchar() [L294] input_279 = __VERIFIER_nondet_uchar() [L295] input_284 = __VERIFIER_nondet_uchar() [L296] input_288 = __VERIFIER_nondet_uchar() [L297] input_289 = __VERIFIER_nondet_uchar() [L298] input_299 = __VERIFIER_nondet_uchar() [L299] input_306 = __VERIFIER_nondet_uchar() [L300] input_307 = __VERIFIER_nondet_uchar() [L301] input_308 = __VERIFIER_nondet_uchar() [L302] input_309 = __VERIFIER_nondet_uchar() [L303] input_310 = __VERIFIER_nondet_uchar() [L304] input_311 = __VERIFIER_nondet_uchar() [L305] input_314 = __VERIFIER_nondet_uchar() [L306] input_316 = __VERIFIER_nondet_uchar() [L307] input_318 = __VERIFIER_nondet_uchar() [L308] input_323 = __VERIFIER_nondet_uchar() [L309] input_325 = __VERIFIER_nondet_uchar() [L310] input_327 = __VERIFIER_nondet_uchar() [L311] input_331 = __VERIFIER_nondet_uchar() [L312] input_332 = __VERIFIER_nondet_uchar() [L313] input_335 = __VERIFIER_nondet_uchar() [L314] input_337 = __VERIFIER_nondet_uchar() [L315] input_342 = __VERIFIER_nondet_uchar() [L316] input_344 = __VERIFIER_nondet_uchar() [L317] input_348 = __VERIFIER_nondet_uchar() [L318] input_349 = __VERIFIER_nondet_uchar() [L319] input_352 = __VERIFIER_nondet_uchar() [L320] input_357 = __VERIFIER_nondet_uchar() [L321] input_361 = __VERIFIER_nondet_uchar() [L322] input_362 = __VERIFIER_nondet_uchar() [L323] input_372 = __VERIFIER_nondet_uchar() [L324] input_391 = __VERIFIER_nondet_uchar() [L325] input_392 = __VERIFIER_nondet_uchar() [L326] input_393 = __VERIFIER_nondet_uchar() [L329] SORT_7 var_12_arg_0 = state_9; VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12_arg_0=0, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L330] EXPR var_12_arg_0 & mask_SORT_7 VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12_arg_0 & mask_SORT_7=0, var_12_arg_0=0, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L330] var_12_arg_0 = var_12_arg_0 & mask_SORT_7 [L331] SORT_11 var_12 = var_12_arg_0; [L332] SORT_11 var_14_arg_0 = var_12; [L333] SORT_11 var_14_arg_1 = var_13; [L334] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L335] SORT_7 var_15_arg_0 = state_9; VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15_arg_0=0, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L336] EXPR var_15_arg_0 & mask_SORT_7 VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15_arg_0 & mask_SORT_7=0, var_15_arg_0=0, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L336] var_15_arg_0 = var_15_arg_0 & mask_SORT_7 [L337] SORT_11 var_15 = var_15_arg_0; [L338] SORT_11 var_17_arg_0 = var_15; [L339] SORT_11 var_17_arg_1 = var_16; [L340] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L341] SORT_1 var_18_arg_0 = var_14; [L342] SORT_1 var_18_arg_1 = var_17; VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18_arg_0=1, var_18_arg_1=0, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L343] EXPR var_18_arg_0 | var_18_arg_1 VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18_arg_0 | var_18_arg_1=1, var_18_arg_0=1, var_18_arg_1=0, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L343] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L344] SORT_7 var_19_arg_0 = state_9; VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19_arg_0=0, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L345] EXPR var_19_arg_0 & mask_SORT_7 VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19_arg_0 & mask_SORT_7=0, var_19_arg_0=0, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L345] var_19_arg_0 = var_19_arg_0 & mask_SORT_7 [L346] SORT_11 var_19 = var_19_arg_0; [L347] SORT_11 var_21_arg_0 = var_19; [L348] SORT_11 var_21_arg_1 = var_20; [L349] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L350] SORT_1 var_22_arg_0 = var_18; [L351] SORT_1 var_22_arg_1 = var_21; VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=0, var_19_arg_0=0, var_20=4, var_21=0, var_21_arg_0=0, var_21_arg_1=4, var_22_arg_0=1, var_22_arg_1=0, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L352] EXPR var_22_arg_0 | var_22_arg_1 VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=0, var_19_arg_0=0, var_20=4, var_21=0, var_21_arg_0=0, var_21_arg_1=4, var_22_arg_0 | var_22_arg_1=1, var_22_arg_0=1, var_22_arg_1=0, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L352] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L353] SORT_7 var_23_arg_0 = state_9; VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=0, var_19_arg_0=0, var_20=4, var_21=0, var_21_arg_0=0, var_21_arg_1=4, var_22=1, var_22_arg_0=1, var_22_arg_1=0, var_23_arg_0=0, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L354] EXPR var_23_arg_0 & mask_SORT_7 VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=0, var_19_arg_0=0, var_20=4, var_21=0, var_21_arg_0=0, var_21_arg_1=4, var_22=1, var_22_arg_0=1, var_22_arg_1=0, var_23_arg_0 & mask_SORT_7=0, var_23_arg_0=0, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L354] var_23_arg_0 = var_23_arg_0 & mask_SORT_7 [L355] SORT_11 var_23 = var_23_arg_0; [L356] SORT_11 var_25_arg_0 = var_23; [L357] SORT_11 var_25_arg_1 = var_24; [L358] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L359] SORT_1 var_26_arg_0 = var_22; [L360] SORT_1 var_26_arg_1 = var_25; VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=0, var_19_arg_0=0, var_20=4, var_21=0, var_21_arg_0=0, var_21_arg_1=4, var_22=1, var_22_arg_0=1, var_22_arg_1=0, var_23=0, var_23_arg_0=0, var_24=2, var_25=0, var_25_arg_0=0, var_25_arg_1=2, var_26_arg_0=1, var_26_arg_1=0, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L361] EXPR var_26_arg_0 | var_26_arg_1 VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=0, var_19_arg_0=0, var_20=4, var_21=0, var_21_arg_0=0, var_21_arg_1=4, var_22=1, var_22_arg_0=1, var_22_arg_1=0, var_23=0, var_23_arg_0=0, var_24=2, var_25=0, var_25_arg_0=0, var_25_arg_1=2, var_26_arg_0 | var_26_arg_1=1, var_26_arg_0=1, var_26_arg_1=0, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L361] SORT_1 var_26 = var_26_arg_0 | var_26_arg_1; [L362] SORT_7 var_27_arg_0 = state_9; VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=0, var_19_arg_0=0, var_20=4, var_21=0, var_21_arg_0=0, var_21_arg_1=4, var_22=1, var_22_arg_0=1, var_22_arg_1=0, var_23=0, var_23_arg_0=0, var_24=2, var_25=0, var_25_arg_0=0, var_25_arg_1=2, var_26=1, var_26_arg_0=1, var_26_arg_1=0, var_27_arg_0=0, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L363] EXPR var_27_arg_0 & mask_SORT_7 VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=0, var_19_arg_0=0, var_20=4, var_21=0, var_21_arg_0=0, var_21_arg_1=4, var_22=1, var_22_arg_0=1, var_22_arg_1=0, var_23=0, var_23_arg_0=0, var_24=2, var_25=0, var_25_arg_0=0, var_25_arg_1=2, var_26=1, var_26_arg_0=1, var_26_arg_1=0, var_27_arg_0 & mask_SORT_7=0, var_27_arg_0=0, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L363] var_27_arg_0 = var_27_arg_0 & mask_SORT_7 [L364] SORT_11 var_27 = var_27_arg_0; [L365] SORT_11 var_29_arg_0 = var_27; [L366] SORT_11 var_29_arg_1 = var_28; [L367] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L368] SORT_1 var_30_arg_0 = var_26; [L369] SORT_1 var_30_arg_1 = var_29; VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=0, var_19_arg_0=0, var_20=4, var_21=0, var_21_arg_0=0, var_21_arg_1=4, var_22=1, var_22_arg_0=1, var_22_arg_1=0, var_23=0, var_23_arg_0=0, var_24=2, var_25=0, var_25_arg_0=0, var_25_arg_1=2, var_26=1, var_26_arg_0=1, var_26_arg_1=0, var_27=0, var_27_arg_0=0, var_28=1, var_29=0, var_29_arg_0=0, var_29_arg_1=1, var_30_arg_0=1, var_30_arg_1=0, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L370] EXPR var_30_arg_0 | var_30_arg_1 VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=0, var_19_arg_0=0, var_20=4, var_21=0, var_21_arg_0=0, var_21_arg_1=4, var_22=1, var_22_arg_0=1, var_22_arg_1=0, var_23=0, var_23_arg_0=0, var_24=2, var_25=0, var_25_arg_0=0, var_25_arg_1=2, var_26=1, var_26_arg_0=1, var_26_arg_1=0, var_27=0, var_27_arg_0=0, var_28=1, var_29=0, var_29_arg_0=0, var_29_arg_1=1, var_30_arg_0 | var_30_arg_1=1, var_30_arg_0=1, var_30_arg_1=0, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L370] SORT_1 var_30 = var_30_arg_0 | var_30_arg_1; [L371] SORT_1 var_34_arg_0 = var_30; [L372] SORT_1 var_34 = ~var_34_arg_0; [L373] SORT_1 var_35_arg_0 = var_33; [L374] SORT_1 var_35_arg_1 = var_34; VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=0, var_19_arg_0=0, var_20=4, var_21=0, var_21_arg_0=0, var_21_arg_1=4, var_22=1, var_22_arg_0=1, var_22_arg_1=0, var_23=0, var_23_arg_0=0, var_24=2, var_25=0, var_25_arg_0=0, var_25_arg_1=2, var_26=1, var_26_arg_0=1, var_26_arg_1=0, var_27=0, var_27_arg_0=0, var_28=1, var_29=0, var_29_arg_0=0, var_29_arg_1=1, var_30=1, var_30_arg_0=1, var_30_arg_1=0, var_33=1, var_34=254, var_34_arg_0=1, var_35_arg_0=1, var_35_arg_1=254, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L375] EXPR var_35_arg_0 & var_35_arg_1 VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=0, var_19_arg_0=0, var_20=4, var_21=0, var_21_arg_0=0, var_21_arg_1=4, var_22=1, var_22_arg_0=1, var_22_arg_1=0, var_23=0, var_23_arg_0=0, var_24=2, var_25=0, var_25_arg_0=0, var_25_arg_1=2, var_26=1, var_26_arg_0=1, var_26_arg_1=0, var_27=0, var_27_arg_0=0, var_28=1, var_29=0, var_29_arg_0=0, var_29_arg_1=1, var_30=1, var_30_arg_0=1, var_30_arg_1=0, var_33=1, var_34=254, var_34_arg_0=1, var_35_arg_0 & var_35_arg_1=1, var_35_arg_0=1, var_35_arg_1=254, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L375] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L376] EXPR var_35 & mask_SORT_1 VAL [init_10_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, msb_SORT_11=2147483648, msb_SORT_1=1, msb_SORT_37=4, msb_SORT_67=2, msb_SORT_7=8, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12=0, var_12_arg_0=0, var_138=4, var_13=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_154=2, var_15=0, var_15_arg_0=0, var_16=8, var_17=0, var_17_arg_0=0, var_17_arg_1=8, var_18=1, var_18_arg_0=1, var_18_arg_1=0, var_19=0, var_19_arg_0=0, var_20=4, var_21=0, var_21_arg_0=0, var_21_arg_1=4, var_22=1, var_22_arg_0=1, var_22_arg_1=0, var_23=0, var_23_arg_0=0, var_24=2, var_25=0, var_25_arg_0=0, var_25_arg_1=2, var_26=1, var_26_arg_0=1, var_26_arg_1=0, var_27=0, var_27_arg_0=0, var_28=1, var_29=0, var_29_arg_0=0, var_29_arg_1=1, var_30=1, var_30_arg_0=1, var_30_arg_1=0, var_33=1, var_34=254, var_34_arg_0=1, var_35 & mask_SORT_1=1, var_35=1, var_35_arg_0=1, var_35_arg_1=254, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L376] var_35 = var_35 & mask_SORT_1 [L377] SORT_1 bad_36_arg_0 = var_35; [L378] CALL __VERIFIER_assert(!(bad_36_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, 143 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.6s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16398 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16398 mSDsluCounter, 24124 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20754 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2177 IncrementalHoareTripleChecker+Invalid, 2194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 3370 mSDtfsCounter, 2177 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 363 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 317 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6393 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=12, InterpolantAutomatonStates: 288, 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, 13 MinimizatonAttempts, 4504 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 848 NumberOfCodeBlocks, 848 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 772 ConstructedInterpolants, 0 QuantifiedInterpolants, 3004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 22:07:55,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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 a9990c01c9a1f9597f7bc9fb384dfed8f76d280524d4aa5e1bce8b343e8f7c08 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:07:58,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:07:58,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 22:07:58,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:07:58,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:07:58,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:07:58,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:07:58,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:07:58,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:07:58,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:07:58,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:07:58,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:07:58,702 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:07:58,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:07:58,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:07:58,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:07:58,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:07:58,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:07:58,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:07:58,706 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:07:58,707 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:07:58,707 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:07:58,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:07:58,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:07:58,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:07:58,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:07:58,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:07:58,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:58,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:07:58,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:07:58,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:07:58,712 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:07:58,713 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:07:58,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:07:58,714 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:07:58,714 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:07:58,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:07:58,715 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:07:58,716 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:07:58,716 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_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9990c01c9a1f9597f7bc9fb384dfed8f76d280524d4aa5e1bce8b343e8f7c08 [2023-11-06 22:07:59,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:07:59,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:07:59,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:07:59,162 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:07:59,168 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:07:59,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2023-11-06 22:08:02,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:08:02,768 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:08:02,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2023-11-06 22:08:02,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/data/52bdca930/16ae83eb96cc4c62bc719005445cf920/FLAGdc9799192 [2023-11-06 22:08:02,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/data/52bdca930/16ae83eb96cc4c62bc719005445cf920 [2023-11-06 22:08:02,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:08:02,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:08:02,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:02,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:08:02,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:08:02,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:02,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f4ec17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:02, skipping insertion in model container [2023-11-06 22:08:02,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:02" (1/1) ... [2023-11-06 22:08:02,926 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:08:03,191 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_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c[1245,1258] [2023-11-06 22:08:03,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:03,502 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:08:03,534 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_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c[1245,1258] [2023-11-06 22:08:03,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:03,773 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:08:03,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:03 WrapperNode [2023-11-06 22:08:03,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:03,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:03,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:08:03,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:08:03,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:03" (1/1) ... [2023-11-06 22:08:03,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:03" (1/1) ... [2023-11-06 22:08:04,005 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1559 [2023-11-06 22:08:04,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:04,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:08:04,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:08:04,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:08:04,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:03" (1/1) ... [2023-11-06 22:08:04,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:03" (1/1) ... [2023-11-06 22:08:04,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:03" (1/1) ... [2023-11-06 22:08:04,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:03" (1/1) ... [2023-11-06 22:08:04,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:03" (1/1) ... [2023-11-06 22:08:04,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:03" (1/1) ... [2023-11-06 22:08:04,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:03" (1/1) ... [2023-11-06 22:08:04,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:03" (1/1) ... [2023-11-06 22:08:04,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:08:04,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:08:04,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:08:04,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:08:04,185 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:03" (1/1) ... [2023-11-06 22:08:04,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:04,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:04,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:08:04,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:08:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:08:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:08:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:08:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:08:04,704 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:08:04,706 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:08:06,664 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:08:06,674 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:08:06,674 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:08:06,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:06 BoogieIcfgContainer [2023-11-06 22:08:06,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:08:06,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:08:06,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:08:06,684 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:08:06,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:08:02" (1/3) ... [2023-11-06 22:08:06,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453fed6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:06, skipping insertion in model container [2023-11-06 22:08:06,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:03" (2/3) ... [2023-11-06 22:08:06,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453fed6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:06, skipping insertion in model container [2023-11-06 22:08:06,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:06" (3/3) ... [2023-11-06 22:08:06,689 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b03.c [2023-11-06 22:08:06,712 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:08:06,712 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:08:06,785 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:08:06,794 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;@467bea2a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:08:06,795 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:08:06,801 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 22:08:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 22:08:06,809 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:06,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:08:06,810 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:06,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:06,820 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 22:08:06,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:08:06,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806079051] [2023-11-06 22:08:06,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:06,840 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 22:08:06,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:08:06,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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 22:08:06,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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 22:08:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:07,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-06 22:08:07,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:07,773 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 22:08:07,774 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:07,775 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:08:07,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806079051] [2023-11-06 22:08:07,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806079051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:07,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:07,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:08:07,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706573200] [2023-11-06 22:08:07,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:07,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:08:07,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:08:07,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:08:07,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:08:07,840 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 22:08:08,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:08,078 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 22:08:08,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:08,081 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 22:08:08,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:08,090 INFO L225 Difference]: With dead ends: 19 [2023-11-06 22:08:08,091 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 22:08:08,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:08,098 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:08,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:08:08,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 22:08:08,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 22:08:08,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:08,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 22:08:08,136 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 22:08:08,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:08,137 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 22:08:08,137 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 22:08:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 22:08:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:08:08,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:08,139 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:08,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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)] Ended with exit code 0 [2023-11-06 22:08:08,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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 22:08:08,352 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:08,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:08,352 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 22:08:08,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:08:08,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501206726] [2023-11-06 22:08:08,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:08,359 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 22:08:08,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:08:08,361 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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 22:08:08,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:08:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:10,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 1103 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-06 22:08:10,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:08:10,919 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:08:11,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:08:11,641 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:08:11,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501206726] [2023-11-06 22:08:11,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [501206726] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:08:11,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:08:11,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 22:08:11,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149363599] [2023-11-06 22:08:11,642 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:08:11,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:08:11,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:08:11,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:08:11,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:08:11,645 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:11,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:11,987 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 22:08:11,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:08:11,987 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-06 22:08:11,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:11,988 INFO L225 Difference]: With dead ends: 15 [2023-11-06 22:08:11,988 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 22:08:11,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:08:11,991 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:11,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:08:11,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 22:08:11,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-06 22:08:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:11,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-06 22:08:11,998 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-06 22:08:11,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:11,998 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-06 22:08:11,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:11,999 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-06 22:08:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:08:12,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:12,000 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-06 22:08:12,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:12,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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 22:08:12,220 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:12,221 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:12,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-06 22:08:12,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:08:12,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209281626] [2023-11-06 22:08:12,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:08:12,226 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 22:08:12,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:08:12,228 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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 22:08:12,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:08:17,373 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:08:17,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:08:17,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 2079 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-06 22:08:17,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:08:18,118 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:08:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:08:25,900 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:08:25,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209281626] [2023-11-06 22:08:25,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1209281626] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:08:25,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:08:25,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-06 22:08:25,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252871343] [2023-11-06 22:08:25,901 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:08:25,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:08:25,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:08:25,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:08:25,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:08:25,904 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:26,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:26,600 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-11-06 22:08:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:08:26,601 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-06 22:08:26,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:26,602 INFO L225 Difference]: With dead ends: 18 [2023-11-06 22:08:26,602 INFO L226 Difference]: Without dead ends: 16 [2023-11-06 22:08:26,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:08:26,604 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:26,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 30 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:08:26,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-06 22:08:26,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-06 22:08:26,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:26,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-06 22:08:26,611 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2023-11-06 22:08:26,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:26,611 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-06 22:08:26,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:08:26,612 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-06 22:08:26,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:08:26,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:26,613 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2023-11-06 22:08:26,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-06 22:08:26,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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 22:08:26,817 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:26,817 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:26,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2023-11-06 22:08:26,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:08:26,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1311892166] [2023-11-06 22:08:26,820 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:08:26,821 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 22:08:26,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:08:26,822 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/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 22:08:26,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ce2b1a-38e2-44b8-9691-1e037eca5ca6/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 22:08:34,708 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-06 22:08:34,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:08:34,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 3055 conjuncts, 240 conjunts are in the unsatisfiable core [2023-11-06 22:08:34,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:40,627 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:08:40,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:10:29,681 WARN L293 SmtUtils]: Spent 27.20s on a formula simplification that was a NOOP. DAG size: 584 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)