./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bd3e010bc1161b63e7109d8f2f51cd280074799234e989c902599e5e44de78e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:00,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:00,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:05:00,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:00,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:00,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:00,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:00,426 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:00,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:00,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:00,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:00,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:00,435 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:00,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:00,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:05:00,438 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:05:00,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:05:00,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:05:00,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:00,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:05:00,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:00,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:05:00,441 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:05:00,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:00,442 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:00,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:00,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:00,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:00,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:00,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:00,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:00,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:05:00,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:05:00,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:05:00,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:00,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:05:00,448 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:00,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:00,449 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:00,449 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_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bd3e010bc1161b63e7109d8f2f51cd280074799234e989c902599e5e44de78e [2023-11-19 08:05:00,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:00,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:00,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:00,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:00,832 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:00,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2023-11-19 08:05:03,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:04,244 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:04,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2023-11-19 08:05:04,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/data/4d5da1016/5ab96ae7b5d44539b39107a6420a2981/FLAGe0d4d1f51 [2023-11-19 08:05:04,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/data/4d5da1016/5ab96ae7b5d44539b39107a6420a2981 [2023-11-19 08:05:04,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:04,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:04,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:04,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:04,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:04,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af7a799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04, skipping insertion in model container [2023-11-19 08:05:04,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,355 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:04,544 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_12fca92d-ab3e-4720-9e92-0a4d046c2861/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i[919,932] [2023-11-19 08:05:04,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:04,682 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:04,703 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_12fca92d-ab3e-4720-9e92-0a4d046c2861/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i[919,932] [2023-11-19 08:05:04,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:04,811 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:04,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04 WrapperNode [2023-11-19 08:05:04,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:04,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:04,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:04,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:04,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,889 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208 [2023-11-19 08:05:04,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:04,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:04,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:04,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:04,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:04,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:04,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:04,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:04,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (1/1) ... [2023-11-19 08:05:04,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:05,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:05,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:05,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:05:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:05:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:05:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:05,213 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:05,215 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:05,657 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:05,672 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:05,673 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:05:05,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:05 BoogieIcfgContainer [2023-11-19 08:05:05,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:05,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:05:05,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:05:05,689 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:05:05,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:04" (1/3) ... [2023-11-19 08:05:05,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f6bb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:05, skipping insertion in model container [2023-11-19 08:05:05,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:04" (2/3) ... [2023-11-19 08:05:05,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f6bb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:05, skipping insertion in model container [2023-11-19 08:05:05,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:05" (3/3) ... [2023-11-19 08:05:05,697 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2023-11-19 08:05:05,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:05:05,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:05:05,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:05:05,772 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@50e33161, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:05:05,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:05:05,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 60 states have (on average 1.45) internal successors, (87), 61 states have internal predecessors, (87), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:05:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 08:05:05,792 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:05,793 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:05,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:05,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:05,799 INFO L85 PathProgramCache]: Analyzing trace with hash 2012011215, now seen corresponding path program 1 times [2023-11-19 08:05:05,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:05,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769661287] [2023-11-19 08:05:05,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:05,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:06,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:06,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769661287] [2023-11-19 08:05:06,269 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 08:05:06,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688174281] [2023-11-19 08:05:06,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:06,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:06,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:06,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:06,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:05:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:06,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:05:06,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:06,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2023-11-19 08:05:06,677 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:06,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688174281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:06,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:06,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:05:06,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601401093] [2023-11-19 08:05:06,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:06,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:05:06,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:06,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:05:06,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:05:06,731 INFO L87 Difference]: Start difference. First operand has 87 states, 60 states have (on average 1.45) internal successors, (87), 61 states have internal predecessors, (87), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 08:05:06,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:06,784 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2023-11-19 08:05:06,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:05:06,787 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 164 [2023-11-19 08:05:06,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:06,796 INFO L225 Difference]: With dead ends: 167 [2023-11-19 08:05:06,796 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 08:05:06,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:05:06,815 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:06,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:06,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 08:05:06,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-19 08:05:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 57 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:05:06,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 127 transitions. [2023-11-19 08:05:06,908 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 127 transitions. Word has length 164 [2023-11-19 08:05:06,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:06,909 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 127 transitions. [2023-11-19 08:05:06,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 08:05:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2023-11-19 08:05:06,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 08:05:06,919 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:06,920 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:06,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:07,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:07,121 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:07,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:07,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1571798667, now seen corresponding path program 1 times [2023-11-19 08:05:07,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:07,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423369121] [2023-11-19 08:05:07,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:07,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:07,197 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:07,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [455114624] [2023-11-19 08:05:07,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:07,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:07,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:07,199 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:07,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:05:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:07,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:05:07,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:07,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 08:05:07,491 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:07,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:07,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423369121] [2023-11-19 08:05:07,492 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:07,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455114624] [2023-11-19 08:05:07,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455114624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:07,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:07,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:05:07,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23472401] [2023-11-19 08:05:07,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:07,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:05:07,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:07,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:05:07,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:07,496 INFO L87 Difference]: Start difference. First operand 83 states and 127 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:07,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:07,530 INFO L93 Difference]: Finished difference Result 164 states and 253 transitions. [2023-11-19 08:05:07,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:05:07,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 164 [2023-11-19 08:05:07,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:07,534 INFO L225 Difference]: With dead ends: 164 [2023-11-19 08:05:07,534 INFO L226 Difference]: Without dead ends: 84 [2023-11-19 08:05:07,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:07,537 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:07,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:07,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-19 08:05:07,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-19 08:05:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 58 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:05:07,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 128 transitions. [2023-11-19 08:05:07,555 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 128 transitions. Word has length 164 [2023-11-19 08:05:07,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:07,560 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 128 transitions. [2023-11-19 08:05:07,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:07,561 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2023-11-19 08:05:07,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 08:05:07,565 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:07,566 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:07,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:07,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:07,788 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:07,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:07,789 INFO L85 PathProgramCache]: Analyzing trace with hash 546137065, now seen corresponding path program 1 times [2023-11-19 08:05:07,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:07,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091457584] [2023-11-19 08:05:07,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:07,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:07,846 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:07,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1965892450] [2023-11-19 08:05:07,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:07,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:07,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:07,849 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:07,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:05:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:08,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:05:08,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 08:05:08,189 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:08,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:08,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091457584] [2023-11-19 08:05:08,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:08,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965892450] [2023-11-19 08:05:08,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965892450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:08,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:08,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:05:08,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620501655] [2023-11-19 08:05:08,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:08,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:05:08,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:08,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:05:08,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:05:08,194 INFO L87 Difference]: Start difference. First operand 84 states and 128 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:08,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:08,420 INFO L93 Difference]: Finished difference Result 245 states and 376 transitions. [2023-11-19 08:05:08,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:05:08,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 165 [2023-11-19 08:05:08,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:08,431 INFO L225 Difference]: With dead ends: 245 [2023-11-19 08:05:08,431 INFO L226 Difference]: Without dead ends: 164 [2023-11-19 08:05:08,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:05:08,439 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 126 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:08,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 507 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:05:08,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-19 08:05:08,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 88. [2023-11-19 08:05:08,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 62 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:05:08,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 133 transitions. [2023-11-19 08:05:08,471 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 133 transitions. Word has length 165 [2023-11-19 08:05:08,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:08,474 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 133 transitions. [2023-11-19 08:05:08,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2023-11-19 08:05:08,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 08:05:08,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:08,477 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:08,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:08,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:08,700 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:08,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:08,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1973822869, now seen corresponding path program 1 times [2023-11-19 08:05:08,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:08,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788861136] [2023-11-19 08:05:08,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:08,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:08,792 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:08,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1225863240] [2023-11-19 08:05:08,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:08,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:08,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:08,799 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:08,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:05:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:09,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:05:09,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:09,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 08:05:09,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:09,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:09,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788861136] [2023-11-19 08:05:09,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:09,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225863240] [2023-11-19 08:05:09,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225863240] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:09,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:09,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:05:09,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681083535] [2023-11-19 08:05:09,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:09,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:05:09,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:09,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:05:09,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:09,085 INFO L87 Difference]: Start difference. First operand 88 states and 133 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:09,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:09,147 INFO L93 Difference]: Finished difference Result 203 states and 302 transitions. [2023-11-19 08:05:09,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:05:09,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 165 [2023-11-19 08:05:09,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:09,149 INFO L225 Difference]: With dead ends: 203 [2023-11-19 08:05:09,150 INFO L226 Difference]: Without dead ends: 118 [2023-11-19 08:05:09,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:09,158 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 32 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:09,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 248 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:09,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-19 08:05:09,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 115. [2023-11-19 08:05:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 87 states have internal predecessors, (117), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 08:05:09,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 169 transitions. [2023-11-19 08:05:09,188 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 169 transitions. Word has length 165 [2023-11-19 08:05:09,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:09,189 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 169 transitions. [2023-11-19 08:05:09,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 169 transitions. [2023-11-19 08:05:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 08:05:09,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:09,193 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:09,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:09,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:09,414 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:09,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:09,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1734338413, now seen corresponding path program 1 times [2023-11-19 08:05:09,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:09,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074821256] [2023-11-19 08:05:09,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:09,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:09,491 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:09,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1957158142] [2023-11-19 08:05:09,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:09,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:09,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:09,499 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:09,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:05:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:09,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:05:09,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 195 proven. 63 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2023-11-19 08:05:09,967 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:10,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 08:05:10,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:10,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074821256] [2023-11-19 08:05:10,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:10,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957158142] [2023-11-19 08:05:10,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957158142] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:05:10,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:05:10,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-19 08:05:10,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165060941] [2023-11-19 08:05:10,225 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:05:10,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:05:10,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:10,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:05:10,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:05:10,231 INFO L87 Difference]: Start difference. First operand 115 states and 169 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-11-19 08:05:10,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:10,469 INFO L93 Difference]: Finished difference Result 206 states and 304 transitions. [2023-11-19 08:05:10,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:05:10,472 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 165 [2023-11-19 08:05:10,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:10,475 INFO L225 Difference]: With dead ends: 206 [2023-11-19 08:05:10,476 INFO L226 Difference]: Without dead ends: 94 [2023-11-19 08:05:10,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:05:10,477 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 54 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:10,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 232 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:05:10,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-19 08:05:10,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92. [2023-11-19 08:05:10,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 65 states have (on average 1.323076923076923) internal successors, (86), 65 states have internal predecessors, (86), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:05:10,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 134 transitions. [2023-11-19 08:05:10,509 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 134 transitions. Word has length 165 [2023-11-19 08:05:10,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:10,511 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 134 transitions. [2023-11-19 08:05:10,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-11-19 08:05:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2023-11-19 08:05:10,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 08:05:10,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:10,515 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:10,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:10,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:10,742 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:10,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:10,743 INFO L85 PathProgramCache]: Analyzing trace with hash -962705619, now seen corresponding path program 1 times [2023-11-19 08:05:10,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:10,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547582306] [2023-11-19 08:05:10,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:10,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:10,796 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:10,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1306084870] [2023-11-19 08:05:10,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:10,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:10,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:10,801 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:10,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 08:05:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:10,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:05:10,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:11,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 23 proven. 69 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 08:05:11,242 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 08:05:11,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:11,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547582306] [2023-11-19 08:05:11,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:11,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306084870] [2023-11-19 08:05:11,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306084870] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:05:11,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:05:11,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-19 08:05:11,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032011887] [2023-11-19 08:05:11,454 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:05:11,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:05:11,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:11,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:05:11,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:05:11,457 INFO L87 Difference]: Start difference. First operand 92 states and 134 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-19 08:05:11,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:11,682 INFO L93 Difference]: Finished difference Result 189 states and 272 transitions. [2023-11-19 08:05:11,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:05:11,683 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 165 [2023-11-19 08:05:11,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:11,685 INFO L225 Difference]: With dead ends: 189 [2023-11-19 08:05:11,685 INFO L226 Difference]: Without dead ends: 100 [2023-11-19 08:05:11,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:05:11,686 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 111 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:11,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 233 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:05:11,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-19 08:05:11,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2023-11-19 08:05:11,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 68 states have (on average 1.2941176470588236) internal successors, (88), 68 states have internal predecessors, (88), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:05:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 136 transitions. [2023-11-19 08:05:11,700 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 136 transitions. Word has length 165 [2023-11-19 08:05:11,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:11,700 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 136 transitions. [2023-11-19 08:05:11,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-19 08:05:11,701 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2023-11-19 08:05:11,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 08:05:11,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:11,703 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:11,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:11,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:11,918 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:11,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:11,919 INFO L85 PathProgramCache]: Analyzing trace with hash -822157009, now seen corresponding path program 1 times [2023-11-19 08:05:11,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:11,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880632679] [2023-11-19 08:05:11,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:11,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:11,969 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:11,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [951670968] [2023-11-19 08:05:11,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:11,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:11,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:11,971 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:11,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 08:05:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:12,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 08:05:12,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:12,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 615 proven. 51 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2023-11-19 08:05:12,846 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:13,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 08:05:13,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:13,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880632679] [2023-11-19 08:05:13,070 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:13,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951670968] [2023-11-19 08:05:13,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951670968] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:13,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:05:13,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2023-11-19 08:05:13,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378132852] [2023-11-19 08:05:13,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:13,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:05:13,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:13,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:05:13,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:05:13,073 INFO L87 Difference]: Start difference. First operand 96 states and 136 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:13,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:13,146 INFO L93 Difference]: Finished difference Result 273 states and 389 transitions. [2023-11-19 08:05:13,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:05:13,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 165 [2023-11-19 08:05:13,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:13,149 INFO L225 Difference]: With dead ends: 273 [2023-11-19 08:05:13,149 INFO L226 Difference]: Without dead ends: 180 [2023-11-19 08:05:13,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-11-19 08:05:13,151 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 69 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:13,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 358 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:13,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-19 08:05:13,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 165. [2023-11-19 08:05:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 110 states have (on average 1.2636363636363637) internal successors, (139), 110 states have internal predecessors, (139), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-19 08:05:13,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 235 transitions. [2023-11-19 08:05:13,194 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 235 transitions. Word has length 165 [2023-11-19 08:05:13,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:13,195 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 235 transitions. [2023-11-19 08:05:13,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:13,195 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 235 transitions. [2023-11-19 08:05:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 08:05:13,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:13,198 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:13,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:13,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:13,420 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:13,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:13,420 INFO L85 PathProgramCache]: Analyzing trace with hash -5516574, now seen corresponding path program 1 times [2023-11-19 08:05:13,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:13,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936928332] [2023-11-19 08:05:13,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:13,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:13,459 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:13,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [208395043] [2023-11-19 08:05:13,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:13,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:13,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:13,461 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:13,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 08:05:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:13,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:05:13,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:13,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 08:05:13,691 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:13,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:13,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936928332] [2023-11-19 08:05:13,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:13,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208395043] [2023-11-19 08:05:13,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208395043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:13,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:13,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:05:13,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103804304] [2023-11-19 08:05:13,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:13,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:05:13,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:13,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:05:13,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:05:13,694 INFO L87 Difference]: Start difference. First operand 165 states and 235 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:13,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:13,734 INFO L93 Difference]: Finished difference Result 329 states and 470 transitions. [2023-11-19 08:05:13,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:05:13,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 166 [2023-11-19 08:05:13,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:13,737 INFO L225 Difference]: With dead ends: 329 [2023-11-19 08:05:13,738 INFO L226 Difference]: Without dead ends: 167 [2023-11-19 08:05:13,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:05:13,739 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 1 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:13,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 354 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:13,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-19 08:05:13,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 166. [2023-11-19 08:05:13,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 111 states have (on average 1.2612612612612613) internal successors, (140), 111 states have internal predecessors, (140), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-19 08:05:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 236 transitions. [2023-11-19 08:05:13,765 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 236 transitions. Word has length 166 [2023-11-19 08:05:13,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:13,766 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 236 transitions. [2023-11-19 08:05:13,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:13,766 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 236 transitions. [2023-11-19 08:05:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 08:05:13,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:13,769 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:13,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:13,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:13,990 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:13,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:13,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1209612410, now seen corresponding path program 1 times [2023-11-19 08:05:13,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:13,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221413184] [2023-11-19 08:05:13,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:13,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:14,023 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:14,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [62981323] [2023-11-19 08:05:14,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:14,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:14,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:14,025 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:14,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 08:05:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:14,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 08:05:14,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:14,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 485 proven. 48 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2023-11-19 08:05:14,836 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:15,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 08:05:15,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:15,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221413184] [2023-11-19 08:05:15,416 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:15,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62981323] [2023-11-19 08:05:15,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62981323] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:05:15,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:05:15,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2023-11-19 08:05:15,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783867660] [2023-11-19 08:05:15,417 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:05:15,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-19 08:05:15,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:15,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-19 08:05:15,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2023-11-19 08:05:15,420 INFO L87 Difference]: Start difference. First operand 166 states and 236 transitions. Second operand has 23 states, 23 states have (on average 4.521739130434782) internal successors, (104), 23 states have internal predecessors, (104), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2023-11-19 08:05:17,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:17,548 INFO L93 Difference]: Finished difference Result 909 states and 1212 transitions. [2023-11-19 08:05:17,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-11-19 08:05:17,549 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.521739130434782) internal successors, (104), 23 states have internal predecessors, (104), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 167 [2023-11-19 08:05:17,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:17,555 INFO L225 Difference]: With dead ends: 909 [2023-11-19 08:05:17,555 INFO L226 Difference]: Without dead ends: 746 [2023-11-19 08:05:17,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=592, Invalid=2270, Unknown=0, NotChecked=0, Total=2862 [2023-11-19 08:05:17,559 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1467 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1474 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 515 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:17,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1474 Valid, 1034 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [515 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-19 08:05:17,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2023-11-19 08:05:17,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 508. [2023-11-19 08:05:17,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 354 states have (on average 1.2259887005649717) internal successors, (434), 359 states have internal predecessors, (434), 124 states have call successors, (124), 29 states have call predecessors, (124), 29 states have return successors, (124), 119 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-19 08:05:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 682 transitions. [2023-11-19 08:05:17,638 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 682 transitions. Word has length 167 [2023-11-19 08:05:17,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:17,639 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 682 transitions. [2023-11-19 08:05:17,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.521739130434782) internal successors, (104), 23 states have internal predecessors, (104), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2023-11-19 08:05:17,639 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 682 transitions. [2023-11-19 08:05:17,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 08:05:17,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:17,643 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:17,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:17,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:17,865 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:17,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:17,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1221326851, now seen corresponding path program 1 times [2023-11-19 08:05:17,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:17,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761517208] [2023-11-19 08:05:17,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:17,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:17,911 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:17,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [309948187] [2023-11-19 08:05:17,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:17,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:17,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:17,913 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:17,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 08:05:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:18,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 08:05:18,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:18,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 90 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2023-11-19 08:05:18,497 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 42 proven. 93 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-11-19 08:05:18,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:18,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761517208] [2023-11-19 08:05:18,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:18,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309948187] [2023-11-19 08:05:18,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309948187] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:05:18,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:05:18,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-11-19 08:05:18,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73394905] [2023-11-19 08:05:18,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:05:18,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 08:05:18,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:18,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 08:05:18,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-11-19 08:05:18,785 INFO L87 Difference]: Start difference. First operand 508 states and 682 transitions. Second operand has 14 states, 13 states have (on average 6.0) internal successors, (78), 12 states have internal predecessors, (78), 5 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (41), 5 states have call predecessors, (41), 5 states have call successors, (41) [2023-11-19 08:05:19,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:19,191 INFO L93 Difference]: Finished difference Result 988 states and 1308 transitions. [2023-11-19 08:05:19,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 08:05:19,191 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 12 states have internal predecessors, (78), 5 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (41), 5 states have call predecessors, (41), 5 states have call successors, (41) Word has length 167 [2023-11-19 08:05:19,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:19,197 INFO L225 Difference]: With dead ends: 988 [2023-11-19 08:05:19,197 INFO L226 Difference]: Without dead ends: 544 [2023-11-19 08:05:19,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=270, Unknown=0, NotChecked=0, Total=420 [2023-11-19 08:05:19,200 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 127 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:19,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 322 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:05:19,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2023-11-19 08:05:19,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 445. [2023-11-19 08:05:19,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 305 states have (on average 1.1836065573770491) internal successors, (361), 308 states have internal predecessors, (361), 110 states have call successors, (110), 29 states have call predecessors, (110), 29 states have return successors, (110), 107 states have call predecessors, (110), 110 states have call successors, (110) [2023-11-19 08:05:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 581 transitions. [2023-11-19 08:05:19,268 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 581 transitions. Word has length 167 [2023-11-19 08:05:19,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:19,268 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 581 transitions. [2023-11-19 08:05:19,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 12 states have internal predecessors, (78), 5 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (41), 5 states have call predecessors, (41), 5 states have call successors, (41) [2023-11-19 08:05:19,269 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 581 transitions. [2023-11-19 08:05:19,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 08:05:19,271 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:19,271 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:19,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:19,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 08:05:19,487 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:19,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:19,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1835884093, now seen corresponding path program 1 times [2023-11-19 08:05:19,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:19,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693507568] [2023-11-19 08:05:19,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:19,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:19,548 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:19,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [30312002] [2023-11-19 08:05:19,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:19,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:19,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:19,551 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:19,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 08:05:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:19,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 08:05:19,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 492 proven. 48 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2023-11-19 08:05:20,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:20,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 08:05:20,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:20,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693507568] [2023-11-19 08:05:20,839 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:20,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30312002] [2023-11-19 08:05:20,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30312002] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:05:20,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:05:20,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2023-11-19 08:05:20,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927878023] [2023-11-19 08:05:20,839 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:05:20,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 08:05:20,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:20,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 08:05:20,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:05:20,841 INFO L87 Difference]: Start difference. First operand 445 states and 581 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 6 states have call successors, (48), 4 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 6 states have call successors, (48) [2023-11-19 08:05:21,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:21,748 INFO L93 Difference]: Finished difference Result 962 states and 1245 transitions. [2023-11-19 08:05:21,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-19 08:05:21,749 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 6 states have call successors, (48), 4 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 6 states have call successors, (48) Word has length 168 [2023-11-19 08:05:21,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:21,755 INFO L225 Difference]: With dead ends: 962 [2023-11-19 08:05:21,755 INFO L226 Difference]: Without dead ends: 585 [2023-11-19 08:05:21,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=175, Invalid=287, Unknown=0, NotChecked=0, Total=462 [2023-11-19 08:05:21,757 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 532 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:21,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 283 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 08:05:21,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2023-11-19 08:05:21,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 445. [2023-11-19 08:05:21,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 305 states have (on average 1.1737704918032787) internal successors, (358), 308 states have internal predecessors, (358), 110 states have call successors, (110), 29 states have call predecessors, (110), 29 states have return successors, (110), 107 states have call predecessors, (110), 110 states have call successors, (110) [2023-11-19 08:05:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 578 transitions. [2023-11-19 08:05:21,891 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 578 transitions. Word has length 168 [2023-11-19 08:05:21,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:21,892 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 578 transitions. [2023-11-19 08:05:21,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 6 states have call successors, (48), 4 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 6 states have call successors, (48) [2023-11-19 08:05:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 578 transitions. [2023-11-19 08:05:21,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 08:05:21,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:21,895 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:21,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:22,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-19 08:05:22,116 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:22,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:22,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1695335483, now seen corresponding path program 1 times [2023-11-19 08:05:22,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:22,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555996896] [2023-11-19 08:05:22,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:22,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:22,165 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:22,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240390781] [2023-11-19 08:05:22,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:22,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:22,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:22,167 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:22,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 08:05:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:22,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 08:05:22,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:22,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 365 proven. 12 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2023-11-19 08:05:22,682 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:23,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 08:05:23,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:23,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555996896] [2023-11-19 08:05:23,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:23,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240390781] [2023-11-19 08:05:23,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240390781] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 08:05:23,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:05:23,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2023-11-19 08:05:23,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774357076] [2023-11-19 08:05:23,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:23,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 08:05:23,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:23,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 08:05:23,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2023-11-19 08:05:23,089 INFO L87 Difference]: Start difference. First operand 445 states and 578 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:24,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:24,678 INFO L93 Difference]: Finished difference Result 1190 states and 1525 transitions. [2023-11-19 08:05:24,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-19 08:05:24,678 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 168 [2023-11-19 08:05:24,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:24,685 INFO L225 Difference]: With dead ends: 1190 [2023-11-19 08:05:24,685 INFO L226 Difference]: Without dead ends: 894 [2023-11-19 08:05:24,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=223, Invalid=833, Unknown=0, NotChecked=0, Total=1056 [2023-11-19 08:05:24,688 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 510 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:24,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 1329 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 08:05:24,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2023-11-19 08:05:24,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 625. [2023-11-19 08:05:24,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 420 states have (on average 1.15) internal successors, (483), 425 states have internal predecessors, (483), 158 states have call successors, (158), 46 states have call predecessors, (158), 46 states have return successors, (158), 153 states have call predecessors, (158), 158 states have call successors, (158) [2023-11-19 08:05:24,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 799 transitions. [2023-11-19 08:05:24,874 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 799 transitions. Word has length 168 [2023-11-19 08:05:24,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:24,875 INFO L495 AbstractCegarLoop]: Abstraction has 625 states and 799 transitions. [2023-11-19 08:05:24,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:24,876 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 799 transitions. [2023-11-19 08:05:24,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 08:05:24,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:24,880 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:24,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:25,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-19 08:05:25,093 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:25,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:25,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1525689029, now seen corresponding path program 1 times [2023-11-19 08:05:25,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:25,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069059871] [2023-11-19 08:05:25,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:25,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:25,128 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:25,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1639290694] [2023-11-19 08:05:25,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:25,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:25,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:25,130 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:25,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-19 08:05:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:25,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:05:25,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 08:05:25,389 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:25,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:25,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069059871] [2023-11-19 08:05:25,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:05:25,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639290694] [2023-11-19 08:05:25,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639290694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:25,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:25,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:05:25,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330722328] [2023-11-19 08:05:25,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:25,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:05:25,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:25,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:05:25,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:05:25,394 INFO L87 Difference]: Start difference. First operand 625 states and 799 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:25,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:25,604 INFO L93 Difference]: Finished difference Result 1170 states and 1498 transitions. [2023-11-19 08:05:25,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:05:25,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 168 [2023-11-19 08:05:25,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:25,610 INFO L225 Difference]: With dead ends: 1170 [2023-11-19 08:05:25,611 INFO L226 Difference]: Without dead ends: 648 [2023-11-19 08:05:25,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:05:25,614 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 120 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:25,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 513 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:25,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2023-11-19 08:05:25,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 613. [2023-11-19 08:05:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 408 states have (on average 1.1372549019607843) internal successors, (464), 413 states have internal predecessors, (464), 158 states have call successors, (158), 46 states have call predecessors, (158), 46 states have return successors, (158), 153 states have call predecessors, (158), 158 states have call successors, (158) [2023-11-19 08:05:25,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 780 transitions. [2023-11-19 08:05:25,783 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 780 transitions. Word has length 168 [2023-11-19 08:05:25,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:25,784 INFO L495 AbstractCegarLoop]: Abstraction has 613 states and 780 transitions. [2023-11-19 08:05:25,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:25,784 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 780 transitions. [2023-11-19 08:05:25,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 08:05:25,787 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:25,787 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:25,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-19 08:05:26,000 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:26,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:26,001 INFO L85 PathProgramCache]: Analyzing trace with hash -994270905, now seen corresponding path program 1 times [2023-11-19 08:05:26,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:26,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962660488] [2023-11-19 08:05:26,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:26,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:26,036 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:05:26,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1554047240] [2023-11-19 08:05:26,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:26,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:05:26,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:26,038 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:05:26,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-19 08:05:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:26,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:26,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:26,659 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:05:26,660 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:05:26,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:26,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-19 08:05:26,872 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:26,879 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:05:27,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:05:27,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:05:27,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 08:05:27,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short7 could not be translated [2023-11-19 08:05:27,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short7 could not be translated [2023-11-19 08:05:27,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-19 08:05:27,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-19 08:05:27,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short7 could not be translated [2023-11-19 08:05:27,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:05:27 BoogieIcfgContainer [2023-11-19 08:05:27,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:05:27,056 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:05:27,056 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:05:27,056 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:05:27,057 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:05" (3/4) ... [2023-11-19 08:05:27,059 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:05:27,060 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:05:27,060 INFO L158 Benchmark]: Toolchain (without parser) took 22768.91ms. Allocated memory was 157.3MB in the beginning and 283.1MB in the end (delta: 125.8MB). Free memory was 124.6MB in the beginning and 96.0MB in the end (delta: 28.6MB). Peak memory consumption was 155.4MB. Max. memory is 16.1GB. [2023-11-19 08:05:27,061 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:27,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.66ms. Allocated memory is still 157.3MB. Free memory was 124.6MB in the beginning and 108.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 08:05:27,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.26ms. Allocated memory is still 157.3MB. Free memory was 108.9MB in the beginning and 103.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 08:05:27,062 INFO L158 Benchmark]: Boogie Preprocessor took 96.05ms. Allocated memory is still 157.3MB. Free memory was 103.7MB in the beginning and 101.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:05:27,062 INFO L158 Benchmark]: RCFGBuilder took 690.04ms. Allocated memory is still 157.3MB. Free memory was 101.1MB in the beginning and 74.8MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 08:05:27,063 INFO L158 Benchmark]: TraceAbstraction took 21369.83ms. Allocated memory was 157.3MB in the beginning and 283.1MB in the end (delta: 125.8MB). Free memory was 73.9MB in the beginning and 96.0MB in the end (delta: -22.2MB). Peak memory consumption was 105.1MB. Max. memory is 16.1GB. [2023-11-19 08:05:27,063 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 283.1MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:27,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.66ms. Allocated memory is still 157.3MB. Free memory was 124.6MB in the beginning and 108.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.26ms. Allocated memory is still 157.3MB. Free memory was 108.9MB in the beginning and 103.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.05ms. Allocated memory is still 157.3MB. Free memory was 103.7MB in the beginning and 101.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 690.04ms. Allocated memory is still 157.3MB. Free memory was 101.1MB in the beginning and 74.8MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 21369.83ms. Allocated memory was 157.3MB in the beginning and 283.1MB in the end (delta: 125.8MB). Free memory was 73.9MB in the beginning and 96.0MB in the end (delta: -22.2MB). Peak memory consumption was 105.1MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 283.1MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short7 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 19]: 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 someBinaryFLOATComparisonOperation at line 169, overapproximation of bitwiseAnd at line 78, overapproximation of someUnaryDOUBLEoperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryArithmeticFLOAToperation at line 86, overapproximation of someUnaryFLOAToperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_7 = 0; [L24] unsigned char var_1_8 = 1; [L25] signed short int var_1_9 = -2; [L26] float var_1_13 = 999.4; [L27] float var_1_14 = 100.425; [L28] float var_1_15 = 3.375; [L29] float var_1_16 = 15.9; [L30] signed short int var_1_17 = -10; [L31] signed short int var_1_18 = 18060; [L32] unsigned char var_1_20 = 0; [L33] unsigned long int var_1_21 = 4; [L34] unsigned char var_1_23 = 0; [L35] unsigned char var_1_24 = 0; [L36] unsigned char var_1_25 = 100; [L37] unsigned char var_1_26 = 32; [L38] unsigned char var_1_27 = 10; [L39] unsigned char var_1_28 = 1; [L40] unsigned short int var_1_29 = 256; [L41] unsigned char var_1_30 = 1; [L42] unsigned char var_1_31 = 4; [L43] double var_1_33 = 31.625; [L44] double var_1_36 = 15.75; [L45] double var_1_37 = 15.375; [L46] unsigned short int var_1_38 = 16; [L47] unsigned char var_1_39 = 0; [L48] double var_1_44 = 128.5; [L49] float var_1_45 = 1.85; [L50] double var_1_46 = 1.5; [L51] double var_1_47 = 99999999999.4; [L52] unsigned char var_1_49 = 128; VAL [isInitial=0, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=0, var_1_8=1, var_1_9=-2] [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] FCALL updateLastVariables() [L177] CALL updateVariables() [L126] var_1_7 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L127] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L128] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L128] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L129] var_1_8 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L130] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L131] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L131] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L132] var_1_14 = __VERIFIER_nondet_float() [L133] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L133] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L134] var_1_15 = __VERIFIER_nondet_float() [L135] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L135] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L136] var_1_16 = __VERIFIER_nondet_float() [L137] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L137] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L138] var_1_18 = __VERIFIER_nondet_short() [L139] CALL assume_abort_if_not(var_1_18 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L139] RET assume_abort_if_not(var_1_18 >= 16382) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L140] CALL assume_abort_if_not(var_1_18 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L140] RET assume_abort_if_not(var_1_18 <= 32766) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L141] var_1_21 = __VERIFIER_nondet_ulong() [L142] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L142] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L143] CALL assume_abort_if_not(var_1_21 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L143] RET assume_abort_if_not(var_1_21 <= 4294967295) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L144] CALL assume_abort_if_not(var_1_21 != 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L144] RET assume_abort_if_not(var_1_21 != 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L145] var_1_23 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L146] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L147] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L147] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L148] var_1_24 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L149] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L150] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L150] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L151] var_1_26 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L152] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L153] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L153] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L154] var_1_27 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L155] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L156] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L156] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L157] var_1_36 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=5, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=5, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L158] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=5, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L159] var_1_37 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L160] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L161] var_1_46 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_46 >= 0.0F && var_1_46 <= -1.0e-20F) || (var_1_46 <= 9223372.036854776000e+12F && var_1_46 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=7, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=7, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L162] RET assume_abort_if_not((var_1_46 >= 0.0F && var_1_46 <= -1.0e-20F) || (var_1_46 <= 9223372.036854776000e+12F && var_1_46 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=7, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L163] var_1_47 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_47 >= 0.0F && var_1_47 <= -1.0e-20F) || (var_1_47 <= 9223372.036854776000e+12F && var_1_47 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L164] RET assume_abort_if_not((var_1_47 >= 0.0F && var_1_47 <= -1.0e-20F) || (var_1_47 <= 9223372.036854776000e+12F && var_1_47 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L177] RET updateVariables() [L178] CALL step() [L56] var_1_31 = var_1_26 VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L57] COND FALSE !(! var_1_7) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L60] var_1_38 = ((((var_1_27) > (var_1_27)) ? (var_1_27) : (var_1_27))) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L61] EXPR var_1_18 & (var_1_29 + 2u) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L61] EXPR 16u >> var_1_26 VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L61] COND TRUE (var_1_18 & (var_1_29 + 2u)) < (16u >> var_1_26) [L62] var_1_39 = ((var_1_7 && (var_1_7 && var_1_8)) && (! var_1_23)) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=257/2, var_1_45=37/20, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L64] COND FALSE !(var_1_36 <= var_1_16) [L69] var_1_44 = var_1_36 VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=37/20, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L71] COND FALSE !((var_1_14 * (var_1_46 - var_1_47)) < var_1_14) [L76] var_1_45 = (((((((((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) < (var_1_37)) ? (((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) : (var_1_37))) < 0 ) ? -((((((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) < (var_1_37)) ? (((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) : (var_1_37))) : ((((((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) < (var_1_37)) ? (((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) : (var_1_37))))) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L78] var_1_20 || (var_1_26 >= (var_1_18 & var_1_27)) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L78] EXPR var_1_18 & var_1_27 VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L78] var_1_20 || (var_1_26 >= (var_1_18 & var_1_27)) VAL [isInitial=1, var_1_13=4997/5, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L78] COND FALSE !(var_1_20 || (var_1_26 >= (var_1_18 & var_1_27))) [L85] COND TRUE \read(var_1_8) [L86] var_1_13 = (((((var_1_14 + var_1_15)) < (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16))))) ? ((var_1_14 + var_1_15)) : (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16)))))) VAL [isInitial=1, var_1_13=10, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L88] COND TRUE \read(var_1_8) [L89] var_1_25 = (var_1_26 + var_1_27) VAL [isInitial=1, var_1_13=10, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L91] var_1_29 = var_1_27 [L92] var_1_30 = var_1_8 VAL [isInitial=1, var_1_13=10, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L93] COND FALSE !((var_1_29 > var_1_25) && var_1_30) [L96] var_1_9 = ((((var_1_25) > ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25))))) ? (var_1_25) : ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25)))))) VAL [isInitial=1, var_1_13=10, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=1] [L98] var_1_17 = ((var_1_18 - 25) - var_1_25) [L99] signed long int stepLocal_2 = var_1_25 + var_1_17; VAL [isInitial=1, stepLocal_2=16357, var_1_13=10, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=16356, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=1] [L100] COND TRUE ((var_1_18 % var_1_21) & ((((1u) < 0 ) ? -(1u) : (1u)))) < stepLocal_2 [L101] var_1_20 = (var_1_23 || var_1_24) VAL [isInitial=1, stepLocal_2=16357, var_1_13=10, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=16356, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=1] [L105] signed short int stepLocal_3 = var_1_9; VAL [isInitial=1, stepLocal_2=16357, stepLocal_3=1, var_1_13=10, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=16356, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=1] [L106] COND FALSE !((~ var_1_29) > stepLocal_3) [L109] var_1_28 = (var_1_20 || ((! var_1_23) && (var_1_24 || var_1_7))) VAL [isInitial=1, stepLocal_2=16357, stepLocal_3=1, var_1_13=10, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=16356, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=1] [L111] signed long int stepLocal_1 = (((var_1_9) > (var_1_25)) ? (var_1_9) : (var_1_25)); [L112] unsigned char stepLocal_0 = var_1_25; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, stepLocal_2=16357, stepLocal_3=1, var_1_13=10, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=16356, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=1] [L113] COND FALSE !(stepLocal_1 <= (var_1_25 - var_1_25)) [L122] var_1_1 = 0 VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, stepLocal_2=16357, stepLocal_3=1, var_1_13=10, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=16356, var_1_18=16382, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=1] [L178] RET step() [L179] CALL, EXPR property() [L169-L170] return (((((((((((((var_1_9) > (var_1_25)) ? (var_1_9) : (var_1_25))) <= (var_1_25 - var_1_25)) ? ((var_1_25 < var_1_25) ? (var_1_20 ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_8))) : 1) : (var_1_1 == ((unsigned char) 0))) && (((var_1_29 > var_1_25) && var_1_30) ? (var_1_9 == ((signed short int) var_1_25)) : (var_1_9 == ((signed short int) ((((var_1_25) > ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25))))) ? (var_1_25) : ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25)))))))))) && (var_1_8 ? (var_1_13 == ((float) (((((var_1_14 + var_1_15)) < (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16))))) ? ((var_1_14 + var_1_15)) : (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16)))))))) : 1)) && (var_1_17 == ((signed short int) ((var_1_18 - 25) - var_1_25)))) && ((((var_1_18 % var_1_21) & ((((1u) < 0 ) ? -(1u) : (1u)))) < (var_1_25 + var_1_17)) ? (var_1_20 == ((unsigned char) (var_1_23 || var_1_24))) : (var_1_20 == ((unsigned char) var_1_7)))) && (var_1_8 ? (var_1_25 == ((unsigned char) (var_1_26 + var_1_27))) : 1)) && (((~ var_1_29) > var_1_9) ? (var_1_28 == ((unsigned char) (! var_1_7))) : (var_1_28 == ((unsigned char) (var_1_20 || ((! var_1_23) && (var_1_24 || var_1_7))))))) && (var_1_29 == ((unsigned short int) var_1_27))) && (var_1_30 == ((unsigned char) var_1_8)) ; VAL [\result=0, isInitial=1, var_1_13=10, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=16356, var_1_18=16382, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=1] [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_13=10, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=16356, var_1_18=16382, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_13=10, var_1_14=2, var_1_15=3, var_1_16=4, var_1_17=16356, var_1_18=16382, var_1_1=0, var_1_20=0, var_1_21=16383, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=5, var_1_37=6, var_1_38=1, var_1_39=1, var_1_44=5, var_1_45=9, var_1_46=7, var_1_47=8, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.1s, OverallIterations: 14, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3173 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3149 mSDsluCounter, 5785 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3894 mSDsCounter, 1055 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2467 IncrementalHoareTripleChecker+Invalid, 3522 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1055 mSolverCounterUnsat, 1891 mSDtfsCounter, 2467 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3386 GetRequests, 3222 SyntacticMatches, 2 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1143 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=625occurred in iteration=12, InterpolantAutomatonStates: 138, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 882 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 2489 NumberOfCodeBlocks, 2489 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3302 ConstructedInterpolants, 0 QuantifiedInterpolants, 10331 SizeOfPredicates, 44 NumberOfNonLiveVariables, 5359 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 21378/22080 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 [2023-11-19 08:05:27,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bd3e010bc1161b63e7109d8f2f51cd280074799234e989c902599e5e44de78e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:29,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:29,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:05:29,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:29,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:30,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:30,037 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:30,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:30,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:30,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:30,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:30,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:30,046 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:30,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:30,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:05:30,050 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:05:30,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:05:30,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:30,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:05:30,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:30,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:05:30,053 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:05:30,054 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:05:30,054 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:05:30,055 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:05:30,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:30,056 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:30,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:30,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:30,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:30,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:30,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:30,059 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:30,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:05:30,060 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:05:30,060 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:05:30,061 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:30,061 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:05:30,061 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:30,062 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:30,063 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:05:30,063 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:30,063 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_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bd3e010bc1161b63e7109d8f2f51cd280074799234e989c902599e5e44de78e [2023-11-19 08:05:30,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:30,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:30,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:30,506 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:30,506 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:30,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2023-11-19 08:05:33,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:33,920 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:33,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2023-11-19 08:05:33,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/data/559e3887a/5d94284a0c974d0095f3d1ef8e80a99a/FLAGe24c88b1c [2023-11-19 08:05:33,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/data/559e3887a/5d94284a0c974d0095f3d1ef8e80a99a [2023-11-19 08:05:33,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:33,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:33,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:33,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:33,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:33,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:33" (1/1) ... [2023-11-19 08:05:33,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a026a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:33, skipping insertion in model container [2023-11-19 08:05:33,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:33" (1/1) ... [2023-11-19 08:05:34,021 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:34,234 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_12fca92d-ab3e-4720-9e92-0a4d046c2861/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i[919,932] [2023-11-19 08:05:34,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:34,404 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:34,421 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_12fca92d-ab3e-4720-9e92-0a4d046c2861/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i[919,932] [2023-11-19 08:05:34,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:34,518 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:34,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:34 WrapperNode [2023-11-19 08:05:34,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:34,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:34,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:34,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:34,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:34" (1/1) ... [2023-11-19 08:05:34,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:34" (1/1) ... [2023-11-19 08:05:34,596 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2023-11-19 08:05:34,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:34,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:34,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:34,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:34,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:34" (1/1) ... [2023-11-19 08:05:34,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:34" (1/1) ... [2023-11-19 08:05:34,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:34" (1/1) ... [2023-11-19 08:05:34,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:34" (1/1) ... [2023-11-19 08:05:34,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:34" (1/1) ... [2023-11-19 08:05:34,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:34" (1/1) ... [2023-11-19 08:05:34,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:34" (1/1) ... [2023-11-19 08:05:34,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:34" (1/1) ... [2023-11-19 08:05:34,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:34,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:34,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:34,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:34,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:34" (1/1) ... [2023-11-19 08:05:34,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:34,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:34,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:34,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:05:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:05:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:05:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:34,955 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:34,958 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:42,602 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:42,619 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:42,621 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:05:42,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:42 BoogieIcfgContainer [2023-11-19 08:05:42,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:42,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:05:42,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:05:42,636 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:05:42,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:33" (1/3) ... [2023-11-19 08:05:42,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b59d786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:42, skipping insertion in model container [2023-11-19 08:05:42,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:34" (2/3) ... [2023-11-19 08:05:42,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b59d786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:42, skipping insertion in model container [2023-11-19 08:05:42,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:42" (3/3) ... [2023-11-19 08:05:42,642 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2023-11-19 08:05:42,657 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:05:42,658 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:05:42,723 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:05:42,733 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3af578ac, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:05:42,733 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:05:42,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 53 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:05:42,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 08:05:42,764 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:42,765 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:42,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:42,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:42,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1164577728, now seen corresponding path program 1 times [2023-11-19 08:05:42,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:42,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275704178] [2023-11-19 08:05:42,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:42,786 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 [2023-11-19 08:05:42,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:42,837 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:05:42,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:05:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:43,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:05:43,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2023-11-19 08:05:43,759 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:43,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:43,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1275704178] [2023-11-19 08:05:43,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1275704178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:43,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:43,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:05:43,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093180787] [2023-11-19 08:05:43,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:43,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:05:43,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:43,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:05:43,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:05:43,808 INFO L87 Difference]: Start difference. First operand has 79 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 53 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 08:05:43,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:43,844 INFO L93 Difference]: Finished difference Result 151 states and 260 transitions. [2023-11-19 08:05:43,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:05:43,846 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2023-11-19 08:05:43,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:43,854 INFO L225 Difference]: With dead ends: 151 [2023-11-19 08:05:43,854 INFO L226 Difference]: Without dead ends: 75 [2023-11-19 08:05:43,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:05:43,862 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:43,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:05:43,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-19 08:05:43,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-19 08:05:43,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:05:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2023-11-19 08:05:43,915 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 160 [2023-11-19 08:05:43,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:43,916 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2023-11-19 08:05:43,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 08:05:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2023-11-19 08:05:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 08:05:43,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:43,922 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:43,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:44,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:05:44,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:44,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:44,125 INFO L85 PathProgramCache]: Analyzing trace with hash -791925380, now seen corresponding path program 1 times [2023-11-19 08:05:44,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:44,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [737502954] [2023-11-19 08:05:44,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:44,127 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 [2023-11-19 08:05:44,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:44,128 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:05:44,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:05:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:44,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:05:44,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:46,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 23 proven. 69 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 08:05:46,563 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:05:47,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 08:05:47,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:47,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [737502954] [2023-11-19 08:05:47,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [737502954] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:05:47,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:05:47,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-19 08:05:47,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431379491] [2023-11-19 08:05:47,419 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:05:47,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:05:47,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:47,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:05:47,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:05:47,428 INFO L87 Difference]: Start difference. First operand 75 states and 113 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-19 08:05:48,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:48,747 INFO L93 Difference]: Finished difference Result 155 states and 230 transitions. [2023-11-19 08:05:48,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:05:48,748 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 160 [2023-11-19 08:05:48,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:48,751 INFO L225 Difference]: With dead ends: 155 [2023-11-19 08:05:48,752 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 08:05:48,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 312 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:05:48,755 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 87 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:48,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 189 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 08:05:48,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 08:05:48,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2023-11-19 08:05:48,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 52 states have internal predecessors, (67), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:05:48,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 115 transitions. [2023-11-19 08:05:48,780 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 115 transitions. Word has length 160 [2023-11-19 08:05:48,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:48,782 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 115 transitions. [2023-11-19 08:05:48,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-19 08:05:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2023-11-19 08:05:48,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 08:05:48,786 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:48,787 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:48,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:05:49,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:05:49,001 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:49,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:49,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1609573830, now seen corresponding path program 1 times [2023-11-19 08:05:49,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:49,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1678601013] [2023-11-19 08:05:49,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:49,004 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 [2023-11-19 08:05:49,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:49,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:05:49,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:05:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:49,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:05:49,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 08:05:49,803 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:49,803 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:49,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1678601013] [2023-11-19 08:05:49,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1678601013] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:49,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:49,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:05:49,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700356084] [2023-11-19 08:05:49,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:49,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:05:49,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:49,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:05:49,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:05:49,807 INFO L87 Difference]: Start difference. First operand 79 states and 115 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:50,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:50,135 INFO L93 Difference]: Finished difference Result 217 states and 320 transitions. [2023-11-19 08:05:50,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:05:50,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2023-11-19 08:05:50,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:05:50,139 INFO L225 Difference]: With dead ends: 217 [2023-11-19 08:05:50,140 INFO L226 Difference]: Without dead ends: 141 [2023-11-19 08:05:50,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:05:50,143 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 112 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:05:50,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 476 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:05:50,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-19 08:05:50,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 79. [2023-11-19 08:05:50,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 52 states have internal predecessors, (66), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 08:05:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 114 transitions. [2023-11-19 08:05:50,170 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 114 transitions. Word has length 160 [2023-11-19 08:05:50,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:05:50,172 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 114 transitions. [2023-11-19 08:05:50,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 08:05:50,172 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2023-11-19 08:05:50,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 08:05:50,176 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:50,176 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:50,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:50,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:05:50,393 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:05:50,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:50,394 INFO L85 PathProgramCache]: Analyzing trace with hash 165433532, now seen corresponding path program 1 times [2023-11-19 08:05:50,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:50,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030335576] [2023-11-19 08:05:50,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:50,396 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:05:50,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:50,397 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:05:50,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fca92d-ab3e-4720-9e92-0a4d046c2861/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:05:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:51,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 08:05:51,126 INFO L285 TraceCheckSpWp]: Computing forward predicates...