./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 64bit --witnessprinter.graph.data.programhash 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:32,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:32,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:04:32,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:32,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:32,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:32,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:32,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:32,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:32,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:32,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:32,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:32,662 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:32,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:32,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:32,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:32,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:32,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:32,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:32,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:32,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:32,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:32,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:32,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:32,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:32,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:32,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:32,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:32,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:32,672 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:04:32,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:04:32,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:32,689 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:32,689 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:32,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:32,690 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:32,690 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_1c98f57b-40ef-4204-8bba-d78b22527e1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d [2023-11-19 08:04:33,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:33,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:33,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:33,068 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:33,069 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:33,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2023-11-19 08:04:36,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:36,456 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:36,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2023-11-19 08:04:36,467 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/data/53c936987/ce5f1a3af75f40e3abb0ccafe35aba44/FLAG546893238 [2023-11-19 08:04:36,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/data/53c936987/ce5f1a3af75f40e3abb0ccafe35aba44 [2023-11-19 08:04:36,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:36,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:36,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:36,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:36,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:36,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:36" (1/1) ... [2023-11-19 08:04:36,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6c8973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36, skipping insertion in model container [2023-11-19 08:04:36,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:36" (1/1) ... [2023-11-19 08:04:36,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:36,791 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2023-11-19 08:04:36,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:36,884 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:36,897 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_1c98f57b-40ef-4204-8bba-d78b22527e1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2023-11-19 08:04:36,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:36,984 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:36,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36 WrapperNode [2023-11-19 08:04:36,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:36,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:36,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:36,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:36,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36" (1/1) ... [2023-11-19 08:04:37,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36" (1/1) ... [2023-11-19 08:04:37,068 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 536 [2023-11-19 08:04:37,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:37,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:37,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:37,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:37,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36" (1/1) ... [2023-11-19 08:04:37,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36" (1/1) ... [2023-11-19 08:04:37,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36" (1/1) ... [2023-11-19 08:04:37,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36" (1/1) ... [2023-11-19 08:04:37,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36" (1/1) ... [2023-11-19 08:04:37,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36" (1/1) ... [2023-11-19 08:04:37,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36" (1/1) ... [2023-11-19 08:04:37,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36" (1/1) ... [2023-11-19 08:04:37,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:37,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:37,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:37,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:37,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36" (1/1) ... [2023-11-19 08:04:37,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:37,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:37,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:37,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:37,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:04:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:37,406 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:37,408 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:38,263 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:38,283 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:38,283 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:04:38,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:38 BoogieIcfgContainer [2023-11-19 08:04:38,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:38,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:38,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:38,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:38,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:36" (1/3) ... [2023-11-19 08:04:38,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328224e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:38, skipping insertion in model container [2023-11-19 08:04:38,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:36" (2/3) ... [2023-11-19 08:04:38,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328224e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:38, skipping insertion in model container [2023-11-19 08:04:38,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:38" (3/3) ... [2023-11-19 08:04:38,307 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul5.c [2023-11-19 08:04:38,331 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:38,331 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:04:38,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:04:38,415 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;@4e90d7ab, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:04:38,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:04:38,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 102 states have (on average 1.6470588235294117) internal successors, (168), 103 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:38,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 08:04:38,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:38,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:38,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:38,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:38,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1999583930, now seen corresponding path program 1 times [2023-11-19 08:04:38,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:38,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135868116] [2023-11-19 08:04:38,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:38,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:39,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:39,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135868116] [2023-11-19 08:04:39,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135868116] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:39,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:39,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:39,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216303749] [2023-11-19 08:04:39,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:39,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:39,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:39,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:39,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:39,456 INFO L87 Difference]: Start difference. First operand has 104 states, 102 states have (on average 1.6470588235294117) internal successors, (168), 103 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:39,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:39,575 INFO L93 Difference]: Finished difference Result 174 states and 284 transitions. [2023-11-19 08:04:39,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:04:39,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2023-11-19 08:04:39,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:39,598 INFO L225 Difference]: With dead ends: 174 [2023-11-19 08:04:39,598 INFO L226 Difference]: Without dead ends: 102 [2023-11-19 08:04:39,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:39,613 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 1 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:39,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 474 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:39,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-19 08:04:39,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-11-19 08:04:39,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.6237623762376239) internal successors, (164), 101 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:39,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 164 transitions. [2023-11-19 08:04:39,683 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 164 transitions. Word has length 39 [2023-11-19 08:04:39,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:39,685 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 164 transitions. [2023-11-19 08:04:39,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2023-11-19 08:04:39,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 08:04:39,690 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:39,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:39,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:04:39,691 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:39,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:39,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1855834534, now seen corresponding path program 1 times [2023-11-19 08:04:39,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:39,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411728266] [2023-11-19 08:04:39,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:39,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:39,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:39,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:39,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411728266] [2023-11-19 08:04:39,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411728266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:40,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:40,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:40,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614875059] [2023-11-19 08:04:40,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:40,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:40,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:40,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:40,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:40,007 INFO L87 Difference]: Start difference. First operand 102 states and 164 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:40,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:40,083 INFO L93 Difference]: Finished difference Result 175 states and 280 transitions. [2023-11-19 08:04:40,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:04:40,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2023-11-19 08:04:40,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:40,089 INFO L225 Difference]: With dead ends: 175 [2023-11-19 08:04:40,090 INFO L226 Difference]: Without dead ends: 105 [2023-11-19 08:04:40,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:40,093 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 1 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:40,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 471 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:40,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-19 08:04:40,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 104. [2023-11-19 08:04:40,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.6116504854368932) internal successors, (166), 103 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:40,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 166 transitions. [2023-11-19 08:04:40,106 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 166 transitions. Word has length 40 [2023-11-19 08:04:40,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:40,107 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 166 transitions. [2023-11-19 08:04:40,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:40,107 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 166 transitions. [2023-11-19 08:04:40,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 08:04:40,109 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:40,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:40,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:04:40,110 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:40,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:40,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1906727968, now seen corresponding path program 1 times [2023-11-19 08:04:40,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:40,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84658891] [2023-11-19 08:04:40,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:40,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:40,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:40,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:40,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84658891] [2023-11-19 08:04:40,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84658891] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:40,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:40,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:04:40,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860260073] [2023-11-19 08:04:40,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:40,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:04:40,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:40,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:04:40,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:04:40,532 INFO L87 Difference]: Start difference. First operand 104 states and 166 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:40,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:40,646 INFO L93 Difference]: Finished difference Result 261 states and 415 transitions. [2023-11-19 08:04:40,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:04:40,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2023-11-19 08:04:40,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:40,649 INFO L225 Difference]: With dead ends: 261 [2023-11-19 08:04:40,649 INFO L226 Difference]: Without dead ends: 189 [2023-11-19 08:04:40,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:04:40,652 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 479 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:40,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 489 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:40,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-11-19 08:04:40,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 118. [2023-11-19 08:04:40,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.606837606837607) internal successors, (188), 117 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:40,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 188 transitions. [2023-11-19 08:04:40,667 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 188 transitions. Word has length 41 [2023-11-19 08:04:40,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:40,667 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 188 transitions. [2023-11-19 08:04:40,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:40,668 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 188 transitions. [2023-11-19 08:04:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 08:04:40,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:40,670 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:40,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:04:40,670 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:40,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:40,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1674085184, now seen corresponding path program 1 times [2023-11-19 08:04:40,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:40,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987186899] [2023-11-19 08:04:40,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:40,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:40,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:40,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:40,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987186899] [2023-11-19 08:04:40,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987186899] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:40,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:40,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 08:04:40,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964565105] [2023-11-19 08:04:40,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:40,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:04:40,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:40,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:04:40,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:04:41,000 INFO L87 Difference]: Start difference. First operand 118 states and 188 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:41,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:41,182 INFO L93 Difference]: Finished difference Result 326 states and 518 transitions. [2023-11-19 08:04:41,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 08:04:41,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2023-11-19 08:04:41,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:41,187 INFO L225 Difference]: With dead ends: 326 [2023-11-19 08:04:41,187 INFO L226 Difference]: Without dead ends: 254 [2023-11-19 08:04:41,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-11-19 08:04:41,201 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 855 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:41,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 836 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:04:41,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2023-11-19 08:04:41,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 121. [2023-11-19 08:04:41,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.6) internal successors, (192), 120 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:41,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 192 transitions. [2023-11-19 08:04:41,219 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 192 transitions. Word has length 42 [2023-11-19 08:04:41,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:41,220 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 192 transitions. [2023-11-19 08:04:41,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 192 transitions. [2023-11-19 08:04:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 08:04:41,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:41,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:41,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:04:41,225 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:41,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:41,225 INFO L85 PathProgramCache]: Analyzing trace with hash -2067112194, now seen corresponding path program 1 times [2023-11-19 08:04:41,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:41,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403294157] [2023-11-19 08:04:41,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:41,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:41,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:41,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:41,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403294157] [2023-11-19 08:04:41,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403294157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:41,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:41,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 08:04:41,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562709569] [2023-11-19 08:04:41,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:41,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:04:41,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:41,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:04:41,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:04:41,805 INFO L87 Difference]: Start difference. First operand 121 states and 192 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:42,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:42,170 INFO L93 Difference]: Finished difference Result 327 states and 520 transitions. [2023-11-19 08:04:42,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 08:04:42,171 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2023-11-19 08:04:42,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:42,173 INFO L225 Difference]: With dead ends: 327 [2023-11-19 08:04:42,173 INFO L226 Difference]: Without dead ends: 255 [2023-11-19 08:04:42,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2023-11-19 08:04:42,175 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 693 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:42,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 1118 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:04:42,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-11-19 08:04:42,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 124. [2023-11-19 08:04:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.5934959349593496) internal successors, (196), 123 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 196 transitions. [2023-11-19 08:04:42,209 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 196 transitions. Word has length 42 [2023-11-19 08:04:42,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:42,210 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 196 transitions. [2023-11-19 08:04:42,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 196 transitions. [2023-11-19 08:04:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 08:04:42,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:42,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:42,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 08:04:42,214 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:42,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:42,215 INFO L85 PathProgramCache]: Analyzing trace with hash -292104832, now seen corresponding path program 1 times [2023-11-19 08:04:42,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:42,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583076909] [2023-11-19 08:04:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:42,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:42,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:04:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:42,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:04:42,353 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:04:42,354 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:04:42,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 08:04:42,360 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-19 08:04:42,364 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:04:42,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 08:04:42,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:04:42,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-19 08:04:42,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-19 08:04:42,415 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-19 08:04:42,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-19 08:04:42,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-19 08:04:42,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-19 08:04:42,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-19 08:04:42,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-19 08:04:42,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-19 08:04:42,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-19 08:04:42,427 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-19 08:04:42,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-19 08:04:42,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-19 08:04:42,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-19 08:04:42,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-19 08:04:42,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-19 08:04:42,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-19 08:04:42,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-19 08:04:42,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-19 08:04:42,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-19 08:04:42,441 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated [2023-11-19 08:04:42,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-11-19 08:04:42,444 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated [2023-11-19 08:04:42,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-19 08:04:42,447 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated [2023-11-19 08:04:42,452 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 08:04:42,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:04:42 BoogieIcfgContainer [2023-11-19 08:04:42,478 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:04:42,479 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:04:42,479 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:04:42,479 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:04:42,480 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:38" (3/4) ... [2023-11-19 08:04:42,482 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:04:42,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:04:42,484 INFO L158 Benchmark]: Toolchain (without parser) took 5996.39ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 137.8MB in the beginning and 147.9MB in the end (delta: -10.1MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:42,484 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 125.8MB. Free memory was 98.2MB in the beginning and 98.1MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:42,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.03ms. Allocated memory is still 169.9MB. Free memory was 137.6MB in the beginning and 126.6MB in the end (delta: 11.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-11-19 08:04:42,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.83ms. Allocated memory is still 169.9MB. Free memory was 126.6MB in the beginning and 119.0MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 08:04:42,485 INFO L158 Benchmark]: Boogie Preprocessor took 97.51ms. Allocated memory is still 169.9MB. Free memory was 119.0MB in the beginning and 115.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:42,485 INFO L158 Benchmark]: RCFGBuilder took 1123.39ms. Allocated memory is still 169.9MB. Free memory was 114.8MB in the beginning and 95.3MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 08:04:42,486 INFO L158 Benchmark]: TraceAbstraction took 4182.75ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 94.5MB in the beginning and 147.9MB in the end (delta: -53.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:42,486 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 205.5MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:42,489 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 125.8MB. Free memory was 98.2MB in the beginning and 98.1MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.03ms. Allocated memory is still 169.9MB. Free memory was 137.6MB in the beginning and 126.6MB in the end (delta: 11.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.83ms. Allocated memory is still 169.9MB. Free memory was 126.6MB in the beginning and 119.0MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.51ms. Allocated memory is still 169.9MB. Free memory was 119.0MB in the beginning and 115.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1123.39ms. Allocated memory is still 169.9MB. Free memory was 114.8MB in the beginning and 95.3MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4182.75ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 94.5MB in the beginning and 147.9MB in the end (delta: -53.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 205.5MB. Free memory is still 147.9MB. 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~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet36 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: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 107, overapproximation of bitwiseAnd at line 112. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L35] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 64); [L36] const SORT_14 msb_SORT_14 = (SORT_14)1 << (64 - 1); [L38] const SORT_1 var_10 = 0; [L39] const SORT_14 var_15 = 0; [L40] const SORT_1 var_24 = 1; [L41] const SORT_5 var_28 = 0; [L42] const SORT_8 var_35 = 0; [L43] const SORT_5 var_57 = 1; [L44] const SORT_5 var_61 = 1000; [L45] const SORT_5 var_63 = 3735928559; [L46] const SORT_5 var_66 = 12245771; [L48] SORT_1 input_2; [L49] SORT_1 input_3; [L50] SORT_1 input_4; [L51] SORT_5 input_6; [L52] SORT_5 input_7; [L53] SORT_8 input_9; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L55] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] EXPR __VERIFIER_nondet_ulong() & mask_SORT_14 VAL [mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L56] SORT_14 state_16 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L57] EXPR __VERIFIER_nondet_ulong() & mask_SORT_14 VAL [mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L57] SORT_14 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L58] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L58] SORT_5 state_29 = __VERIFIER_nondet_uint() & mask_SORT_5; [L59] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L59] SORT_5 state_31 = __VERIFIER_nondet_uint() & mask_SORT_5; [L60] EXPR __VERIFIER_nondet_ushort() & mask_SORT_8 VAL [mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L60] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L61] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L62] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=0, state_40=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L63] SORT_5 state_42 = __VERIFIER_nondet_uint() & mask_SORT_5; [L64] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=0, state_40=0, state_42=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L64] SORT_5 state_44 = __VERIFIER_nondet_uint() & mask_SORT_5; [L66] SORT_1 init_12_arg_1 = var_10; [L67] state_11 = init_12_arg_1 [L68] SORT_14 init_17_arg_1 = var_15; [L69] state_16 = init_17_arg_1 [L70] SORT_14 init_19_arg_1 = var_15; [L71] state_18 = init_19_arg_1 [L72] SORT_5 init_30_arg_1 = var_28; [L73] state_29 = init_30_arg_1 [L74] SORT_5 init_32_arg_1 = var_28; [L75] state_31 = init_32_arg_1 [L76] SORT_8 init_37_arg_1 = var_35; [L77] state_36 = init_37_arg_1 [L78] SORT_1 init_39_arg_1 = var_24; [L79] state_38 = init_39_arg_1 [L80] SORT_1 init_41_arg_1 = var_24; [L81] state_40 = init_41_arg_1 [L82] SORT_5 init_43_arg_1 = var_28; [L83] state_42 = init_43_arg_1 [L84] SORT_5 init_45_arg_1 = var_28; [L85] state_44 = init_45_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] EXPR input_3 & mask_SORT_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] EXPR input_4 & mask_SORT_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] EXPR input_6 & mask_SORT_5 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] EXPR input_7 & mask_SORT_5 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L107] EXPR var_21_arg_0 | var_21_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=255, var_25_arg_0=0, var_26_arg_0=1, var_26_arg_1=255, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L112] EXPR var_26_arg_0 & var_26_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=255, var_25_arg_0=0, var_26_arg_0=1, var_26_arg_1=255, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] EXPR var_26 & mask_SORT_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=255, var_25_arg_0=0, var_26=1, var_26_arg_0=1, var_26_arg_1=255, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2029 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2029 mSDsluCounter, 3388 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2439 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 949 mSDtfsCounter, 165 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=5, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 336 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 638 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 08:04:42,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 64bit --witnessprinter.graph.data.programhash 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:45,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:45,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-19 08:04:45,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:45,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:45,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:45,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:45,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:45,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:45,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:45,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:45,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:45,427 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:45,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:45,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:45,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:45,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:45,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:45,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:45,430 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:04:45,430 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:04:45,432 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:04:45,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:45,433 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:45,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:45,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:45,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:45,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:45,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:45,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:45,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:45,438 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:04:45,438 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:04:45,438 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:45,438 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:45,439 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:45,439 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:45,439 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:04:45,439 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:45,440 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_1c98f57b-40ef-4204-8bba-d78b22527e1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d [2023-11-19 08:04:45,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:45,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:45,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:45,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:45,944 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:45,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2023-11-19 08:04:49,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:49,816 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:49,817 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2023-11-19 08:04:49,843 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/data/a877076b5/37306731f5944863be3dd7a1c12bd3ef/FLAGee1d5dc63 [2023-11-19 08:04:49,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/data/a877076b5/37306731f5944863be3dd7a1c12bd3ef [2023-11-19 08:04:49,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:49,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:49,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:49,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:49,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:49,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:49" (1/1) ... [2023-11-19 08:04:49,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b46c8b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49, skipping insertion in model container [2023-11-19 08:04:49,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:49" (1/1) ... [2023-11-19 08:04:49,956 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:50,193 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_1c98f57b-40ef-4204-8bba-d78b22527e1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2023-11-19 08:04:50,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:50,359 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:50,391 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_1c98f57b-40ef-4204-8bba-d78b22527e1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2023-11-19 08:04:50,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:50,522 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:50,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50 WrapperNode [2023-11-19 08:04:50,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:50,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:50,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:50,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:50,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,627 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 271 [2023-11-19 08:04:50,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:50,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:50,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:50,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:50,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:50,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:50,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:50,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:50,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (1/1) ... [2023-11-19 08:04:50,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:50,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:50,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:50,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:04:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:50,935 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:50,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:51,641 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:51,648 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:51,648 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:04:51,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:51 BoogieIcfgContainer [2023-11-19 08:04:51,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:51,655 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:51,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:51,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:51,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:49" (1/3) ... [2023-11-19 08:04:51,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663a0eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:51, skipping insertion in model container [2023-11-19 08:04:51,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:50" (2/3) ... [2023-11-19 08:04:51,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663a0eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:51, skipping insertion in model container [2023-11-19 08:04:51,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:51" (3/3) ... [2023-11-19 08:04:51,667 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul5.c [2023-11-19 08:04:51,693 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:51,694 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:04:51,757 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:04:51,765 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;@5e174c2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:04:51,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:04:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:51,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 08:04:51,778 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:51,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 08:04:51,779 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:51,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:51,788 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-19 08:04:51,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:04:51,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151546591] [2023-11-19 08:04:51,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:51,809 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 08:04:51,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:04:51,815 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 08:04:51,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 08:04:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:52,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 08:04:52,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:52,454 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:52,455 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:04:52,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151546591] [2023-11-19 08:04:52,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [151546591] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:52,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:52,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:52,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387677024] [2023-11-19 08:04:52,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:52,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:52,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:04:52,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:52,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:52,524 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:53,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:53,007 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-19 08:04:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:04:53,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-19 08:04:53,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:53,020 INFO L225 Difference]: With dead ends: 19 [2023-11-19 08:04:53,020 INFO L226 Difference]: Without dead ends: 10 [2023-11-19 08:04:53,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:04:53,028 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:53,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:04:53,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-19 08:04:53,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-19 08:04:53,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:53,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-19 08:04:53,068 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-19 08:04:53,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:53,069 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-19 08:04:53,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-19 08:04:53,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 08:04:53,070 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:53,070 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:53,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 08:04:53,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 08:04:53,276 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:53,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:53,277 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-19 08:04:53,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:04:53,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1415245302] [2023-11-19 08:04:53,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:53,279 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 08:04:53,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:04:53,281 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 08:04:53,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 08:04:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:53,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 08:04:53,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:54,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:54,030 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:54,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:54,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:04:54,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1415245302] [2023-11-19 08:04:54,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1415245302] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:04:54,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:04:54,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-19 08:04:54,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124800713] [2023-11-19 08:04:54,798 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:04:54,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:04:54,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:04:54,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:04:54,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:04:54,802 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:55,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:55,658 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-19 08:04:55,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:04:55,659 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 08:04:55,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:55,660 INFO L225 Difference]: With dead ends: 15 [2023-11-19 08:04:55,660 INFO L226 Difference]: Without dead ends: 13 [2023-11-19 08:04:55,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:04:55,663 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:55,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 17 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 08:04:55,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-19 08:04:55,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-19 08:04:55,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 08:04:55,674 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-19 08:04:55,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:55,675 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-19 08:04:55,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:55,676 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 08:04:55,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 08:04:55,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:55,678 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-19 08:04:55,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 08:04:55,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 08:04:55,888 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:55,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:55,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-19 08:04:55,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:04:55,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055217734] [2023-11-19 08:04:55,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:04:55,890 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 08:04:55,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:04:55,892 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 08:04:55,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 08:04:56,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 08:04:56,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-19 08:04:56,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:04:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:57,480 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-19 08:04:57,481 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:04:57,483 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:04:57,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 08:04:57,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 08:04:57,691 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-11-19 08:04:57,697 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:04:57,797 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 08:04:57,798 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 08:04:57,798 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 08:04:57,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:04:57 BoogieIcfgContainer [2023-11-19 08:04:57,904 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:04:57,905 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:04:57,915 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:04:57,915 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:04:57,916 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:51" (3/4) ... [2023-11-19 08:04:57,918 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 08:04:57,957 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 08:04:57,957 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 08:04:57,958 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 08:04:58,063 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:04:58,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:04:58,064 INFO L158 Benchmark]: Toolchain (without parser) took 8186.31ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 40.5MB in the beginning and 59.7MB in the end (delta: -19.2MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2023-11-19 08:04:58,064 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:58,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.10ms. Allocated memory is still 71.3MB. Free memory was 40.3MB in the beginning and 47.5MB in the end (delta: -7.2MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-19 08:04:58,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.62ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 44.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:58,066 INFO L158 Benchmark]: Boogie Preprocessor took 102.63ms. Allocated memory is still 71.3MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:58,066 INFO L158 Benchmark]: RCFGBuilder took 920.30ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 42.5MB in the beginning and 60.7MB in the end (delta: -18.2MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-19 08:04:58,067 INFO L158 Benchmark]: TraceAbstraction took 6249.09ms. Allocated memory is still 94.4MB. Free memory was 59.9MB in the beginning and 68.6MB in the end (delta: -8.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-19 08:04:58,067 INFO L158 Benchmark]: Witness Printer took 158.87ms. Allocated memory is still 94.4MB. Free memory was 68.6MB in the beginning and 59.7MB in the end (delta: 9.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 08:04:58,069 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.10ms. Allocated memory is still 71.3MB. Free memory was 40.3MB in the beginning and 47.5MB in the end (delta: -7.2MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.62ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 44.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.63ms. Allocated memory is still 71.3MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 920.30ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 42.5MB in the beginning and 60.7MB in the end (delta: -18.2MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6249.09ms. Allocated memory is still 94.4MB. Free memory was 59.9MB in the beginning and 68.6MB in the end (delta: -8.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Witness Printer took 158.87ms. Allocated memory is still 94.4MB. Free memory was 68.6MB in the beginning and 59.7MB in the end (delta: 9.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L35] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 64); [L36] const SORT_14 msb_SORT_14 = (SORT_14)1 << (64 - 1); [L38] const SORT_1 var_10 = 0; [L39] const SORT_14 var_15 = 0; [L40] const SORT_1 var_24 = 1; [L41] const SORT_5 var_28 = 0; [L42] const SORT_8 var_35 = 0; [L43] const SORT_5 var_57 = 1; [L44] const SORT_5 var_61 = 1000; [L45] const SORT_5 var_63 = 3735928559; [L46] const SORT_5 var_66 = 12245771; [L48] SORT_1 input_2; [L49] SORT_1 input_3; [L50] SORT_1 input_4; [L51] SORT_5 input_6; [L52] SORT_5 input_7; [L53] SORT_8 input_9; [L55] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_14 state_16 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L57] SORT_14 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L58] SORT_5 state_29 = __VERIFIER_nondet_uint() & mask_SORT_5; [L59] SORT_5 state_31 = __VERIFIER_nondet_uint() & mask_SORT_5; [L60] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L61] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] SORT_5 state_42 = __VERIFIER_nondet_uint() & mask_SORT_5; [L64] SORT_5 state_44 = __VERIFIER_nondet_uint() & mask_SORT_5; [L66] SORT_1 init_12_arg_1 = var_10; [L67] state_11 = init_12_arg_1 [L68] SORT_14 init_17_arg_1 = var_15; [L69] state_16 = init_17_arg_1 [L70] SORT_14 init_19_arg_1 = var_15; [L71] state_18 = init_19_arg_1 [L72] SORT_5 init_30_arg_1 = var_28; [L73] state_29 = init_30_arg_1 [L74] SORT_5 init_32_arg_1 = var_28; [L75] state_31 = init_32_arg_1 [L76] SORT_8 init_37_arg_1 = var_35; [L77] state_36 = init_37_arg_1 [L78] SORT_1 init_39_arg_1 = var_24; [L79] state_38 = init_39_arg_1 [L80] SORT_1 init_41_arg_1 = var_24; [L81] state_40 = init_41_arg_1 [L82] SORT_5 init_43_arg_1 = var_28; [L83] state_42 = init_43_arg_1 [L84] SORT_5 init_45_arg_1 = var_28; [L85] state_44 = init_45_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L115] RET __VERIFIER_assert(!(bad_27_arg_0)) [L117] SORT_1 next_51_arg_1 = var_24; [L118] SORT_1 var_33_arg_0 = state_11; [L119] SORT_1 var_33 = ~var_33_arg_0; [L120] var_33 = var_33 & mask_SORT_1 [L121] SORT_5 var_52_arg_0 = state_29; [L122] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L123] SORT_14 var_52 = var_52_arg_0; [L124] SORT_5 var_53_arg_0 = state_31; [L125] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L126] SORT_14 var_53 = var_53_arg_0; [L127] SORT_14 var_54_arg_0 = var_52; [L128] SORT_14 var_54_arg_1 = var_53; [L129] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L130] SORT_1 var_55_arg_0 = var_33; [L131] SORT_14 var_55_arg_1 = var_15; [L132] SORT_14 var_55_arg_2 = var_54; [L133] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L134] var_55 = var_55 & mask_SORT_14 [L135] SORT_14 next_56_arg_1 = var_55; [L136] SORT_1 var_70_arg_0 = state_38; [L137] SORT_1 var_70_arg_1 = state_40; [L138] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L139] var_70 = var_70 & mask_SORT_1 [L140] SORT_8 var_60_arg_0 = state_36; [L141] var_60_arg_0 = var_60_arg_0 & mask_SORT_8 [L142] SORT_5 var_60 = var_60_arg_0; [L143] SORT_5 var_62_arg_0 = var_60; [L144] SORT_5 var_62_arg_1 = var_61; [L145] SORT_1 var_62 = var_62_arg_0 > var_62_arg_1; [L146] SORT_5 var_64_arg_0 = input_6; [L147] SORT_5 var_64_arg_1 = var_63; [L148] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L149] SORT_1 var_65_arg_0 = var_62; [L150] SORT_1 var_65_arg_1 = var_64; [L151] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L152] SORT_5 var_67_arg_0 = input_7; [L153] SORT_5 var_67_arg_1 = var_66; [L154] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L155] SORT_1 var_68_arg_0 = var_65; [L156] SORT_1 var_68_arg_1 = var_67; [L157] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L158] var_68 = var_68 & mask_SORT_1 [L159] SORT_5 var_46_arg_0 = state_42; [L160] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L161] SORT_14 var_46 = var_46_arg_0; [L162] SORT_5 var_47_arg_0 = state_44; [L163] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L164] SORT_14 var_47 = var_47_arg_0; [L165] SORT_14 var_48_arg_0 = var_46; [L166] SORT_14 var_48_arg_1 = var_47; [L167] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L168] SORT_5 var_58_arg_0 = var_57; [L169] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L170] SORT_14 var_58 = var_58_arg_0; [L171] SORT_14 var_59_arg_0 = var_48; [L172] SORT_14 var_59_arg_1 = var_58; [L173] SORT_14 var_59 = var_59_arg_0 + var_59_arg_1; [L174] SORT_1 var_69_arg_0 = var_68; [L175] SORT_14 var_69_arg_1 = var_59; [L176] SORT_14 var_69_arg_2 = var_48; [L177] SORT_14 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L178] SORT_1 var_71_arg_0 = var_70; [L179] SORT_14 var_71_arg_1 = var_69; [L180] SORT_14 var_71_arg_2 = state_18; [L181] SORT_14 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L182] SORT_1 var_72_arg_0 = var_33; [L183] SORT_14 var_72_arg_1 = var_15; [L184] SORT_14 var_72_arg_2 = var_71; [L185] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L186] var_72 = var_72 & mask_SORT_14 [L187] SORT_14 next_73_arg_1 = var_72; [L188] SORT_1 var_74_arg_0 = input_3; [L189] SORT_5 var_74_arg_1 = input_6; [L190] SORT_5 var_74_arg_2 = state_29; [L191] SORT_5 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L192] SORT_1 var_75_arg_0 = var_33; [L193] SORT_5 var_75_arg_1 = var_28; [L194] SORT_5 var_75_arg_2 = var_74; [L195] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L196] SORT_5 next_76_arg_1 = var_75; [L197] SORT_1 var_77_arg_0 = input_4; [L198] SORT_5 var_77_arg_1 = input_7; [L199] SORT_5 var_77_arg_2 = state_31; [L200] SORT_5 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L201] SORT_1 var_78_arg_0 = var_33; [L202] SORT_5 var_78_arg_1 = var_28; [L203] SORT_5 var_78_arg_2 = var_77; [L204] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L205] SORT_5 next_79_arg_1 = var_78; [L206] SORT_1 var_80_arg_0 = var_33; [L207] SORT_8 var_80_arg_1 = input_9; [L208] SORT_8 var_80_arg_2 = state_36; [L209] SORT_8 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L210] SORT_8 next_81_arg_1 = var_80; [L211] SORT_1 var_82_arg_0 = var_33; [L212] SORT_1 var_82_arg_1 = var_24; [L213] SORT_1 var_82_arg_2 = input_3; [L214] SORT_1 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L215] SORT_1 next_83_arg_1 = var_82; [L216] SORT_1 var_84_arg_0 = var_33; [L217] SORT_1 var_84_arg_1 = var_24; [L218] SORT_1 var_84_arg_2 = input_4; [L219] SORT_1 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L220] SORT_1 next_85_arg_1 = var_84; [L221] SORT_1 var_86_arg_0 = input_3; [L222] SORT_5 var_86_arg_1 = input_6; [L223] SORT_5 var_86_arg_2 = state_42; [L224] SORT_5 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L225] SORT_1 var_87_arg_0 = var_33; [L226] SORT_5 var_87_arg_1 = var_28; [L227] SORT_5 var_87_arg_2 = var_86; [L228] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L229] SORT_5 next_88_arg_1 = var_87; [L230] SORT_1 var_89_arg_0 = input_4; [L231] SORT_5 var_89_arg_1 = input_7; [L232] SORT_5 var_89_arg_2 = state_44; [L233] SORT_5 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L234] SORT_1 var_90_arg_0 = var_33; [L235] SORT_5 var_90_arg_1 = var_28; [L236] SORT_5 var_90_arg_2 = var_89; [L237] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L238] SORT_5 next_91_arg_1 = var_90; [L240] state_11 = next_51_arg_1 [L241] state_16 = next_56_arg_1 [L242] state_18 = next_73_arg_1 [L243] state_29 = next_76_arg_1 [L244] state_31 = next_79_arg_1 [L245] state_36 = next_81_arg_1 [L246] state_38 = next_83_arg_1 [L247] state_40 = next_85_arg_1 [L248] state_42 = next_88_arg_1 [L249] state_44 = next_91_arg_1 VAL [bad_27_arg_0=0, init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, input_9=1008, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, next_51_arg_1=1, next_56_arg_1=0, next_73_arg_1=0, next_76_arg_1=0, next_79_arg_1=0, next_81_arg_1=1008, next_83_arg_1=1, next_85_arg_1=1, next_88_arg_1=0, next_91_arg_1=0, state_11=1, state_16=0, state_18=0, state_29=0, state_31=0, state_36=1008, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=255, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=0, var_25_arg_0=255, var_26=0, var_26_arg_0=1, var_26_arg_1=0, var_28=0, var_33=1, var_33_arg_0=0, var_35=0, var_46=0, var_46_arg_0=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_52=0, var_52_arg_0=0, var_53=0, var_53_arg_0=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_57=1, var_58=1, var_58_arg_0=1, var_59=1, var_59_arg_0=0, var_59_arg_1=1, var_60=0, var_60_arg_0=0, var_61=1000, var_62=0, var_62_arg_0=0, var_62_arg_1=1000, var_63=3735928559, var_64=0, var_64_arg_0=0, var_64_arg_1=3735928559, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_66=12245771, var_67=0, var_67_arg_0=0, var_67_arg_1=12245771, var_68=0, var_68_arg_0=0, var_68_arg_1=0, var_69=0, var_69_arg_0=0, var_69_arg_1=1, var_69_arg_2=0, var_70=1, var_70_arg_0=1, var_70_arg_1=1, var_71=0, var_71_arg_0=1, var_71_arg_1=0, var_71_arg_2=0, var_72=0, var_72_arg_0=1, var_72_arg_1=0, var_72_arg_2=0, var_74=0, var_74_arg_0=0, var_74_arg_1=0, var_74_arg_2=0, var_75=0, var_75_arg_0=1, var_75_arg_1=0, var_75_arg_2=0, var_77=0, var_77_arg_0=0, var_77_arg_1=0, var_77_arg_2=0, var_78=0, var_78_arg_0=1, var_78_arg_1=0, var_78_arg_2=0, var_80=1008, var_80_arg_0=1, var_80_arg_1=1008, var_80_arg_2=0, var_82=1, var_82_arg_0=1, var_82_arg_1=1, var_82_arg_2=0, var_84=1, var_84_arg_0=1, var_84_arg_1=1, var_84_arg_2=0, var_86=0, var_86_arg_0=0, var_86_arg_1=0, var_86_arg_2=0, var_87=0, var_87_arg_0=1, var_87_arg_1=0, var_87_arg_2=0, var_89=0, var_89_arg_0=0, var_89_arg_1=0, var_89_arg_2=0, var_90=0, var_90_arg_0=1, var_90_arg_1=0, var_90_arg_2=0] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L115] RET __VERIFIER_assert(!(bad_27_arg_0)) [L117] SORT_1 next_51_arg_1 = var_24; [L118] SORT_1 var_33_arg_0 = state_11; [L119] SORT_1 var_33 = ~var_33_arg_0; [L120] var_33 = var_33 & mask_SORT_1 [L121] SORT_5 var_52_arg_0 = state_29; [L122] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L123] SORT_14 var_52 = var_52_arg_0; [L124] SORT_5 var_53_arg_0 = state_31; [L125] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L126] SORT_14 var_53 = var_53_arg_0; [L127] SORT_14 var_54_arg_0 = var_52; [L128] SORT_14 var_54_arg_1 = var_53; [L129] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L130] SORT_1 var_55_arg_0 = var_33; [L131] SORT_14 var_55_arg_1 = var_15; [L132] SORT_14 var_55_arg_2 = var_54; [L133] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L134] var_55 = var_55 & mask_SORT_14 [L135] SORT_14 next_56_arg_1 = var_55; [L136] SORT_1 var_70_arg_0 = state_38; [L137] SORT_1 var_70_arg_1 = state_40; [L138] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L139] var_70 = var_70 & mask_SORT_1 [L140] SORT_8 var_60_arg_0 = state_36; [L141] var_60_arg_0 = var_60_arg_0 & mask_SORT_8 [L142] SORT_5 var_60 = var_60_arg_0; [L143] SORT_5 var_62_arg_0 = var_60; [L144] SORT_5 var_62_arg_1 = var_61; [L145] SORT_1 var_62 = var_62_arg_0 > var_62_arg_1; [L146] SORT_5 var_64_arg_0 = input_6; [L147] SORT_5 var_64_arg_1 = var_63; [L148] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L149] SORT_1 var_65_arg_0 = var_62; [L150] SORT_1 var_65_arg_1 = var_64; [L151] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L152] SORT_5 var_67_arg_0 = input_7; [L153] SORT_5 var_67_arg_1 = var_66; [L154] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L155] SORT_1 var_68_arg_0 = var_65; [L156] SORT_1 var_68_arg_1 = var_67; [L157] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L158] var_68 = var_68 & mask_SORT_1 [L159] SORT_5 var_46_arg_0 = state_42; [L160] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L161] SORT_14 var_46 = var_46_arg_0; [L162] SORT_5 var_47_arg_0 = state_44; [L163] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L164] SORT_14 var_47 = var_47_arg_0; [L165] SORT_14 var_48_arg_0 = var_46; [L166] SORT_14 var_48_arg_1 = var_47; [L167] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L168] SORT_5 var_58_arg_0 = var_57; [L169] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L170] SORT_14 var_58 = var_58_arg_0; [L171] SORT_14 var_59_arg_0 = var_48; [L172] SORT_14 var_59_arg_1 = var_58; [L173] SORT_14 var_59 = var_59_arg_0 + var_59_arg_1; [L174] SORT_1 var_69_arg_0 = var_68; [L175] SORT_14 var_69_arg_1 = var_59; [L176] SORT_14 var_69_arg_2 = var_48; [L177] SORT_14 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L178] SORT_1 var_71_arg_0 = var_70; [L179] SORT_14 var_71_arg_1 = var_69; [L180] SORT_14 var_71_arg_2 = state_18; [L181] SORT_14 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L182] SORT_1 var_72_arg_0 = var_33; [L183] SORT_14 var_72_arg_1 = var_15; [L184] SORT_14 var_72_arg_2 = var_71; [L185] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L186] var_72 = var_72 & mask_SORT_14 [L187] SORT_14 next_73_arg_1 = var_72; [L188] SORT_1 var_74_arg_0 = input_3; [L189] SORT_5 var_74_arg_1 = input_6; [L190] SORT_5 var_74_arg_2 = state_29; [L191] SORT_5 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L192] SORT_1 var_75_arg_0 = var_33; [L193] SORT_5 var_75_arg_1 = var_28; [L194] SORT_5 var_75_arg_2 = var_74; [L195] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L196] SORT_5 next_76_arg_1 = var_75; [L197] SORT_1 var_77_arg_0 = input_4; [L198] SORT_5 var_77_arg_1 = input_7; [L199] SORT_5 var_77_arg_2 = state_31; [L200] SORT_5 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L201] SORT_1 var_78_arg_0 = var_33; [L202] SORT_5 var_78_arg_1 = var_28; [L203] SORT_5 var_78_arg_2 = var_77; [L204] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L205] SORT_5 next_79_arg_1 = var_78; [L206] SORT_1 var_80_arg_0 = var_33; [L207] SORT_8 var_80_arg_1 = input_9; [L208] SORT_8 var_80_arg_2 = state_36; [L209] SORT_8 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L210] SORT_8 next_81_arg_1 = var_80; [L211] SORT_1 var_82_arg_0 = var_33; [L212] SORT_1 var_82_arg_1 = var_24; [L213] SORT_1 var_82_arg_2 = input_3; [L214] SORT_1 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L215] SORT_1 next_83_arg_1 = var_82; [L216] SORT_1 var_84_arg_0 = var_33; [L217] SORT_1 var_84_arg_1 = var_24; [L218] SORT_1 var_84_arg_2 = input_4; [L219] SORT_1 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L220] SORT_1 next_85_arg_1 = var_84; [L221] SORT_1 var_86_arg_0 = input_3; [L222] SORT_5 var_86_arg_1 = input_6; [L223] SORT_5 var_86_arg_2 = state_42; [L224] SORT_5 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L225] SORT_1 var_87_arg_0 = var_33; [L226] SORT_5 var_87_arg_1 = var_28; [L227] SORT_5 var_87_arg_2 = var_86; [L228] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L229] SORT_5 next_88_arg_1 = var_87; [L230] SORT_1 var_89_arg_0 = input_4; [L231] SORT_5 var_89_arg_1 = input_7; [L232] SORT_5 var_89_arg_2 = state_44; [L233] SORT_5 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L234] SORT_1 var_90_arg_0 = var_33; [L235] SORT_5 var_90_arg_1 = var_28; [L236] SORT_5 var_90_arg_2 = var_89; [L237] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L238] SORT_5 next_91_arg_1 = var_90; [L240] state_11 = next_51_arg_1 [L241] state_16 = next_56_arg_1 [L242] state_18 = next_73_arg_1 [L243] state_29 = next_76_arg_1 [L244] state_31 = next_79_arg_1 [L245] state_36 = next_81_arg_1 [L246] state_38 = next_83_arg_1 [L247] state_40 = next_85_arg_1 [L248] state_42 = next_88_arg_1 [L249] state_44 = next_91_arg_1 VAL [bad_27_arg_0=0, init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=3735928559, input_7=12245771, input_9=0, mask_SORT_14=18446744073709551615, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_14=9223372036854775808, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_8=512, next_51_arg_1=1, next_56_arg_1=0, next_73_arg_1=1, next_76_arg_1=0, next_79_arg_1=0, next_81_arg_1=1008, next_83_arg_1=0, next_85_arg_1=0, next_88_arg_1=0, next_91_arg_1=0, state_11=1, state_16=0, state_18=1, state_29=0, state_31=0, state_36=1008, state_38=0, state_40=0, state_42=0, state_44=0, var_10=0, var_13=254, var_13_arg_0=1, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=255, var_21_arg_0=254, var_21_arg_1=1, var_24=1, var_25=0, var_25_arg_0=255, var_26=0, var_26_arg_0=1, var_26_arg_1=0, var_28=0, var_33=0, var_33_arg_0=1, var_35=0, var_46=0, var_46_arg_0=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_52=0, var_52_arg_0=0, var_53=0, var_53_arg_0=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_55_arg_2=0, var_57=1, var_58=1, var_58_arg_0=1, var_59=1, var_59_arg_0=0, var_59_arg_1=1, var_60=1008, var_60_arg_0=1008, var_61=1000, var_62=1, var_62_arg_0=1008, var_62_arg_1=1000, var_63=3735928559, var_64=1, var_64_arg_0=3735928559, var_64_arg_1=3735928559, var_65=1, var_65_arg_0=1, var_65_arg_1=1, var_66=12245771, var_67=1, var_67_arg_0=12245771, var_67_arg_1=12245771, var_68=1, var_68_arg_0=1, var_68_arg_1=1, var_69=1, var_69_arg_0=1, var_69_arg_1=1, var_69_arg_2=0, var_70=1, var_70_arg_0=1, var_70_arg_1=1, var_71=1, var_71_arg_0=1, var_71_arg_1=1, var_71_arg_2=0, var_72=1, var_72_arg_0=0, var_72_arg_1=0, var_72_arg_2=1, var_74=0, var_74_arg_0=0, var_74_arg_1=3735928559, var_74_arg_2=0, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_75_arg_2=0, var_77=0, var_77_arg_0=0, var_77_arg_1=12245771, var_77_arg_2=0, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_80=1008, var_80_arg_0=0, var_80_arg_1=0, var_80_arg_2=1008, var_82=0, var_82_arg_0=0, var_82_arg_1=1, var_82_arg_2=0, var_84=0, var_84_arg_0=0, var_84_arg_1=1, var_84_arg_2=0, var_86=0, var_86_arg_0=0, var_86_arg_1=3735928559, var_86_arg_2=0, var_87=0, var_87_arg_0=0, var_87_arg_1=0, var_87_arg_2=0, var_89=0, var_89_arg_0=0, var_89_arg_1=12245771, var_89_arg_2=0, var_90=0, var_90_arg_0=0, var_90_arg_1=0, var_90_arg_2=0] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 4 QuantifiedInterpolants, 388 SizeOfPredicates, 49 NumberOfNonLiveVariables, 298 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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 proved your program to be incorrect! [2023-11-19 08:04:58,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c98f57b-40ef-4204-8bba-d78b22527e1b/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE