./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cdf93f59dd274ab086c68aef6e20ded5f344701c9de4a190c50002498c40f88d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:06:59,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:06:59,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:06:59,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:06:59,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:07:00,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:07:00,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:07:00,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:07:00,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:07:00,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:07:00,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:07:00,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:07:00,051 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:07:00,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:07:00,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:07:00,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:07:00,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:07:00,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:07:00,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:07:00,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:07:00,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:07:00,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:07:00,058 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:07:00,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:07:00,059 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:07:00,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:07:00,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:07:00,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:07:00,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:00,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:07:00,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:07:00,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:07:00,064 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:07:00,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:07:00,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:07:00,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:07:00,066 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:07:00,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:07:00,068 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:07:00,068 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_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdf93f59dd274ab086c68aef6e20ded5f344701c9de4a190c50002498c40f88d [2023-11-06 22:07:00,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:07:00,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:07:00,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:07:00,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:07:00,496 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:07:00,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-0.i [2023-11-06 22:07:03,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:07:04,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:07:04,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-0.i [2023-11-06 22:07:04,233 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/data/90629f6ea/72a9117711964d919ea712b820b9dadc/FLAGa1a031756 [2023-11-06 22:07:04,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/data/90629f6ea/72a9117711964d919ea712b820b9dadc [2023-11-06 22:07:04,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:07:04,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:07:04,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:04,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:07:04,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:07:04,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:04" (1/1) ... [2023-11-06 22:07:04,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193a1685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04, skipping insertion in model container [2023-11-06 22:07:04,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:04" (1/1) ... [2023-11-06 22:07:04,335 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:07:04,501 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_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-0.i[916,929] [2023-11-06 22:07:04,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:04,571 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:07:04,585 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_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-0.i[916,929] [2023-11-06 22:07:04,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:04,657 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:07:04,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04 WrapperNode [2023-11-06 22:07:04,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:04,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:04,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:07:04,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:07:04,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04" (1/1) ... [2023-11-06 22:07:04,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04" (1/1) ... [2023-11-06 22:07:04,730 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2023-11-06 22:07:04,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:04,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:07:04,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:07:04,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:07:04,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04" (1/1) ... [2023-11-06 22:07:04,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04" (1/1) ... [2023-11-06 22:07:04,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04" (1/1) ... [2023-11-06 22:07:04,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04" (1/1) ... [2023-11-06 22:07:04,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04" (1/1) ... [2023-11-06 22:07:04,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04" (1/1) ... [2023-11-06 22:07:04,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04" (1/1) ... [2023-11-06 22:07:04,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04" (1/1) ... [2023-11-06 22:07:04,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:07:04,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:07:04,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:07:04,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:07:04,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04" (1/1) ... [2023-11-06 22:07:04,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:04,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:04,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:07:04,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:07:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:07:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:07:04,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:07:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:07:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:07:04,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:07:04,953 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:07:04,956 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:07:05,392 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:07:05,409 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:07:05,410 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:07:05,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:05 BoogieIcfgContainer [2023-11-06 22:07:05,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:07:05,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:07:05,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:07:05,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:07:05,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:07:04" (1/3) ... [2023-11-06 22:07:05,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43782af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:05, skipping insertion in model container [2023-11-06 22:07:05,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:04" (2/3) ... [2023-11-06 22:07:05,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43782af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:05, skipping insertion in model container [2023-11-06 22:07:05,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:05" (3/3) ... [2023-11-06 22:07:05,461 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-0.i [2023-11-06 22:07:05,478 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:07:05,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:07:05,553 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:07:05,563 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@64507912, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:07:05,564 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:07:05,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:07:05,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-06 22:07:05,597 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:05,599 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:05,601 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:05,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:05,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1324830548, now seen corresponding path program 1 times [2023-11-06 22:07:05,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:05,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245502326] [2023-11-06 22:07:05,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:05,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:07:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:07:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:07:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:07:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:07:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:07:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:07:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:07:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:07:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:07:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:07:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:07:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:07:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:07:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 22:07:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:07:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 22:07:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:07:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:06,237 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-06 22:07:06,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:06,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245502326] [2023-11-06 22:07:06,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245502326] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:06,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:06,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:07:06,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178232862] [2023-11-06 22:07:06,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:06,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:07:06,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:06,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:07:06,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:07:06,295 INFO L87 Difference]: Start difference. First operand has 62 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 22:07:06,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:06,330 INFO L93 Difference]: Finished difference Result 117 states and 194 transitions. [2023-11-06 22:07:06,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:07:06,339 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 122 [2023-11-06 22:07:06,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:06,354 INFO L225 Difference]: With dead ends: 117 [2023-11-06 22:07:06,356 INFO L226 Difference]: Without dead ends: 58 [2023-11-06 22:07:06,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:07:06,369 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:06,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:07:06,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-06 22:07:06,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-06 22:07:06,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:07:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2023-11-06 22:07:06,464 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 122 [2023-11-06 22:07:06,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:06,465 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2023-11-06 22:07:06,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 22:07:06,468 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2023-11-06 22:07:06,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-06 22:07:06,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:06,474 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:06,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:07:06,474 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:06,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:06,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1886955048, now seen corresponding path program 1 times [2023-11-06 22:07:06,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:06,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902953461] [2023-11-06 22:07:06,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:06,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:07:06,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:07:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:07:07,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:07:07,026 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:07:07,028 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:07:07,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:07:07,034 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:07:07,038 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:07:07,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:07:07 BoogieIcfgContainer [2023-11-06 22:07:07,238 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:07:07,240 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:07:07,240 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:07:07,241 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:07:07,241 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:05" (3/4) ... [2023-11-06 22:07:07,247 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:07:07,248 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:07:07,250 INFO L158 Benchmark]: Toolchain (without parser) took 2978.24ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 110.5MB in the beginning and 151.9MB in the end (delta: -41.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:07,251 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 157.3MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:07,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.09ms. Allocated memory is still 157.3MB. Free memory was 110.1MB in the beginning and 96.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:07:07,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.03ms. Allocated memory is still 157.3MB. Free memory was 96.5MB in the beginning and 93.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:07,257 INFO L158 Benchmark]: Boogie Preprocessor took 43.23ms. Allocated memory is still 157.3MB. Free memory was 93.8MB in the beginning and 91.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:07,261 INFO L158 Benchmark]: RCFGBuilder took 637.30ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 91.8MB in the beginning and 156.3MB in the end (delta: -64.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-11-06 22:07:07,262 INFO L158 Benchmark]: TraceAbstraction took 1822.17ms. Allocated memory is still 188.7MB. Free memory was 155.6MB in the beginning and 152.9MB in the end (delta: 2.7MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2023-11-06 22:07:07,263 INFO L158 Benchmark]: Witness Printer took 8.58ms. Allocated memory is still 188.7MB. Free memory was 152.9MB in the beginning and 151.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:07,272 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 157.3MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.09ms. Allocated memory is still 157.3MB. Free memory was 110.1MB in the beginning and 96.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.03ms. Allocated memory is still 157.3MB. Free memory was 96.5MB in the beginning and 93.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.23ms. Allocated memory is still 157.3MB. Free memory was 93.8MB in the beginning and 91.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 637.30ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 91.8MB in the beginning and 156.3MB in the end (delta: -64.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1822.17ms. Allocated memory is still 188.7MB. Free memory was 155.6MB in the beginning and 152.9MB in the end (delta: 2.7MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * Witness Printer took 8.58ms. Allocated memory is still 188.7MB. Free memory was 152.9MB in the beginning and 151.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 119, overapproximation of someBinaryFLOATComparisonOperation at line 119. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 32; [L25] signed long int var_1_4 = -32; [L26] signed long int var_1_5 = 2; [L27] signed short int var_1_6 = -10; [L28] unsigned long int var_1_7 = 1; [L29] unsigned char var_1_8 = 0; [L30] unsigned long int var_1_9 = 3470417420; [L31] unsigned char var_1_10 = 0; [L32] double var_1_11 = 32.875; [L33] double var_1_12 = 25.6; [L34] double var_1_13 = 1.75; [L35] float var_1_14 = 5.4; [L36] float var_1_15 = 127.5; [L37] float var_1_16 = 3.5; [L38] signed long int var_1_17 = 64; [L39] unsigned char var_1_18 = 64; VAL [isInitial=0, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L123] isInitial = 1 [L124] FCALL initially() [L125] COND TRUE 1 [L126] FCALL updateLastVariables() [L127] CALL updateVariables() [L86] var_1_2 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L87] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L88] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L88] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L89] var_1_3 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L90] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L91] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L91] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L92] var_1_4 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_4 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L93] RET assume_abort_if_not(var_1_4 >= -1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L94] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L94] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L95] var_1_9 = __VERIFIER_nondet_ulong() [L96] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L96] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L97] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L97] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L98] var_1_10 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L99] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L100] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L100] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L101] var_1_11 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L102] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L103] var_1_12 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L104] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L105] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L105] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L106] var_1_13 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L107] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L108] var_1_15 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L109] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L110] var_1_16 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L111] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L112] var_1_18 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L113] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L114] CALL assume_abort_if_not(var_1_18 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L114] RET assume_abort_if_not(var_1_18 <= 255) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=0, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L127] RET updateVariables() [L128] CALL step() [L43] COND TRUE var_1_2 > (- var_1_3) [L44] var_1_1 = ((((var_1_3) > ((var_1_2 + var_1_4))) ? (var_1_3) : ((var_1_2 + var_1_4)))) VAL [isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L48] unsigned char stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=34, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L49] COND TRUE var_1_3 < stepLocal_0 [L50] var_1_5 = ((var_1_2 - var_1_3) + var_1_4) VAL [isInitial=1, stepLocal_0=34, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L52] unsigned char stepLocal_1 = var_1_2; VAL [isInitial=1, stepLocal_0=34, stepLocal_1=34, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L53] COND FALSE !(stepLocal_1 < (- var_1_5)) VAL [isInitial=1, stepLocal_0=34, stepLocal_1=34, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L56] signed short int stepLocal_3 = var_1_6; [L57] signed long int stepLocal_2 = var_1_1; VAL [isInitial=1, stepLocal_0=34, stepLocal_1=34, stepLocal_2=33, stepLocal_3=-10, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L58] COND FALSE !(stepLocal_2 > var_1_3) VAL [isInitial=1, stepLocal_0=34, stepLocal_1=34, stepLocal_2=33, stepLocal_3=-10, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L63] unsigned long int stepLocal_4 = var_1_9 - var_1_2; VAL [isInitial=1, stepLocal_0=34, stepLocal_1=34, stepLocal_2=33, stepLocal_3=-10, stepLocal_4=4294967261, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L64] COND TRUE (- 8u) >= stepLocal_4 [L65] var_1_8 = (! var_1_10) VAL [isInitial=1, stepLocal_0=34, stepLocal_1=34, stepLocal_2=33, stepLocal_3=-10, stepLocal_4=4294967261, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L69] unsigned long int stepLocal_5 = var_1_9; VAL [isInitial=1, stepLocal_0=34, stepLocal_1=34, stepLocal_2=33, stepLocal_3=-10, stepLocal_4=4294967261, stepLocal_5=4294967295, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=27/5, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L70] COND FALSE !((var_1_12 * var_1_11) > var_1_13) [L77] var_1_14 = var_1_16 VAL [isInitial=1, stepLocal_0=34, stepLocal_1=34, stepLocal_2=33, stepLocal_3=-10, stepLocal_4=4294967261, stepLocal_5=4294967295, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=4294967304, var_1_15=4294967302, var_1_16=4294967304, var_1_17=64, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L79] COND TRUE ((var_1_11 + var_1_14) / 9.2) < ((((var_1_13) < (var_1_16)) ? (var_1_13) : (var_1_16))) [L80] var_1_17 = ((((var_1_2) > (var_1_18)) ? (var_1_2) : (var_1_18))) VAL [isInitial=1, stepLocal_0=34, stepLocal_1=34, stepLocal_2=33, stepLocal_3=-10, stepLocal_4=4294967261, stepLocal_5=4294967295, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=4294967304, var_1_15=4294967302, var_1_16=4294967304, var_1_17=34, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L128] RET step() [L129] CALL, EXPR property() [L119-L120] return (((((((var_1_2 > (- var_1_3)) ? (var_1_1 == ((signed long int) ((((var_1_3) > ((var_1_2 + var_1_4))) ? (var_1_3) : ((var_1_2 + var_1_4)))))) : (var_1_1 == ((signed long int) (((((1 - var_1_2)) < (16)) ? ((1 - var_1_2)) : (16)))))) && ((var_1_3 < var_1_2) ? (var_1_5 == ((signed long int) ((var_1_2 - var_1_3) + var_1_4))) : 1)) && ((var_1_2 < (- var_1_5)) ? (var_1_6 == ((signed short int) (32 - var_1_3))) : 1)) && ((var_1_1 > var_1_3) ? ((var_1_4 <= var_1_6) ? (var_1_7 == ((unsigned long int) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_2)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_11 / var_1_12) >= var_1_13) || var_1_10))))) && (((var_1_12 * var_1_11) > var_1_13) ? ((var_1_9 < var_1_5) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((var_1_11 + var_1_14) / 9.2) < ((((var_1_13) < (var_1_16)) ? (var_1_13) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((var_1_2) > (var_1_18)) ? (var_1_2) : (var_1_18))))) : (var_1_17 == ((signed long int) var_1_4))) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=4294967304, var_1_15=4294967302, var_1_16=4294967304, var_1_17=34, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L129] RET, EXPR property() [L129] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=4294967304, var_1_15=4294967302, var_1_16=4294967304, var_1_17=34, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=4294967303, var_1_12=4294967300, var_1_13=4294967301, var_1_14=4294967304, var_1_15=4294967302, var_1_16=4294967304, var_1_17=34, var_1_18=34, var_1_1=33, var_1_2=34, var_1_3=33, var_1_4=-1, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967295] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 84 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 612/612 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:07:07,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cdf93f59dd274ab086c68aef6e20ded5f344701c9de4a190c50002498c40f88d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:07:10,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:07:10,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:07:10,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:07:10,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:07:10,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:07:10,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:07:10,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:07:10,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:07:10,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:07:10,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:07:10,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:07:10,665 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:07:10,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:07:10,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:07:10,668 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:07:10,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:07:10,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:07:10,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:07:10,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:07:10,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:07:10,672 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:07:10,673 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:07:10,673 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:07:10,674 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:07:10,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:07:10,675 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:07:10,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:07:10,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:07:10,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:07:10,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:10,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:07:10,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:07:10,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:07:10,680 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:07:10,681 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:07:10,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:07:10,682 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:07:10,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:07:10,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:07:10,684 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:07:10,684 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:07:10,685 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_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdf93f59dd274ab086c68aef6e20ded5f344701c9de4a190c50002498c40f88d [2023-11-06 22:07:11,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:07:11,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:07:11,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:07:11,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:07:11,238 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:07:11,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-0.i [2023-11-06 22:07:15,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:07:15,528 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:07:15,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-0.i [2023-11-06 22:07:15,553 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/data/944afa363/69b713ab3e7642edb8c3af0828c2b9e3/FLAG267b4bf32 [2023-11-06 22:07:15,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/data/944afa363/69b713ab3e7642edb8c3af0828c2b9e3 [2023-11-06 22:07:15,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:07:15,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:07:15,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:15,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:07:15,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:07:15,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:15" (1/1) ... [2023-11-06 22:07:15,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1e076b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:15, skipping insertion in model container [2023-11-06 22:07:15,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:15" (1/1) ... [2023-11-06 22:07:15,630 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:07:15,884 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_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-0.i[916,929] [2023-11-06 22:07:15,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:16,019 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:07:16,036 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_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-0.i[916,929] [2023-11-06 22:07:16,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:16,116 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:07:16,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:16 WrapperNode [2023-11-06 22:07:16,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:16,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:16,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:07:16,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:07:16,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:16" (1/1) ... [2023-11-06 22:07:16,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:16" (1/1) ... [2023-11-06 22:07:16,216 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2023-11-06 22:07:16,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:16,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:07:16,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:07:16,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:07:16,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:16" (1/1) ... [2023-11-06 22:07:16,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:16" (1/1) ... [2023-11-06 22:07:16,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:16" (1/1) ... [2023-11-06 22:07:16,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:16" (1/1) ... [2023-11-06 22:07:16,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:16" (1/1) ... [2023-11-06 22:07:16,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:16" (1/1) ... [2023-11-06 22:07:16,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:16" (1/1) ... [2023-11-06 22:07:16,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:16" (1/1) ... [2023-11-06 22:07:16,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:07:16,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:07:16,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:07:16,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:07:16,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:16" (1/1) ... [2023-11-06 22:07:16,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:16,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:16,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:07:16,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:07:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:07:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:07:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:07:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:07:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:07:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:07:16,567 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:07:16,570 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:07:30,600 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:07:30,614 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:07:30,614 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:07:30,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:30 BoogieIcfgContainer [2023-11-06 22:07:30,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:07:30,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:07:30,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:07:30,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:07:30,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:07:15" (1/3) ... [2023-11-06 22:07:30,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11692f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:30, skipping insertion in model container [2023-11-06 22:07:30,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:16" (2/3) ... [2023-11-06 22:07:30,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11692f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:30, skipping insertion in model container [2023-11-06 22:07:30,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:30" (3/3) ... [2023-11-06 22:07:30,637 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-0.i [2023-11-06 22:07:30,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:07:30,663 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:07:30,732 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:07:30,741 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e3c8939, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:07:30,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:07:30,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:07:30,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-06 22:07:30,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:30,767 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:30,772 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:30,782 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:30,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1324830548, now seen corresponding path program 1 times [2023-11-06 22:07:30,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:30,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620203366] [2023-11-06 22:07:30,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:30,806 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:30,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:30,812 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:07:30,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:07:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:07:33,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-11-06 22:07:33,583 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:33,584 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:07:33,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620203366] [2023-11-06 22:07:33,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620203366] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:33,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:33,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:07:33,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692895364] [2023-11-06 22:07:33,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:33,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:07:33,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:07:33,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:07:33,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:07:33,644 INFO L87 Difference]: Start difference. First operand has 62 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 22:07:33,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:33,691 INFO L93 Difference]: Finished difference Result 117 states and 194 transitions. [2023-11-06 22:07:33,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:07:33,695 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 122 [2023-11-06 22:07:33,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:33,707 INFO L225 Difference]: With dead ends: 117 [2023-11-06 22:07:33,707 INFO L226 Difference]: Without dead ends: 58 [2023-11-06 22:07:33,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:07:33,718 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:33,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:07:33,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-06 22:07:33,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-06 22:07:33,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:07:33,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2023-11-06 22:07:33,798 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 122 [2023-11-06 22:07:33,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:33,799 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2023-11-06 22:07:33,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 22:07:33,800 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2023-11-06 22:07:33,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-06 22:07:33,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:33,821 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:33,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:34,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:34,045 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:34,046 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:34,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1886955048, now seen corresponding path program 1 times [2023-11-06 22:07:34,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:34,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1921373308] [2023-11-06 22:07:34,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:34,048 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:34,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:34,049 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:07:34,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e36ef5a-c1d5-41c7-8c27-e7ab487ae500/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:07:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:37,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-06 22:07:37,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:09:42,070 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_3~0)) (.cse1 ((_ zero_extend 24) c_~var_1_2~0))) (and (let ((.cse0 (= c_~var_1_10~0 (_ bv0 8)))) (or (and (not .cse0) (= c_~var_1_8~0 (_ bv0 8))) (and (= (_ bv1 8) c_~var_1_8~0) .cse0))) (not (bvslt .cse1 (bvneg c_~var_1_5~0))) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 16) (bvadd c_~var_1_6~0 (_ bv10 16))) (not (bvsgt c_~var_1_1~0 .cse2)) (bvuge (_ bv4294967288 32) (bvadd c_~var_1_9~0 (bvneg .cse1))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 c_~var_1_11~0) c_~var_1_13~0)) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_16~0 .cse3) (fp.leq c_~var_1_16~0 .cse4)) (and (fp.leq c_~var_1_16~0 (fp.neg .cse3)) (fp.geq c_~var_1_16~0 (fp.neg .cse4))))) (bvsle c_~var_1_4~0 (_ bv1073741823 32)) (let ((.cse6 (bvadd c_~var_1_4~0 .cse1))) (let ((.cse5 (bvsgt .cse2 .cse6))) (or (and .cse5 (= c_~var_1_1~0 .cse2)) (and (not .cse5) (= c_~var_1_1~0 .cse6))))) (= c_~var_1_5~0 (bvadd (bvneg .cse2) c_~var_1_4~0 .cse1)) (bvslt .cse2 .cse1) (= c_~var_1_7~0 (_ bv1 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-11-06 22:09:44,108 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_3~0)) (.cse1 ((_ zero_extend 24) c_~var_1_2~0))) (and (let ((.cse0 (= c_~var_1_10~0 (_ bv0 8)))) (or (and (not .cse0) (= c_~var_1_8~0 (_ bv0 8))) (and (= (_ bv1 8) c_~var_1_8~0) .cse0))) (not (bvslt .cse1 (bvneg c_~var_1_5~0))) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 16) (bvadd c_~var_1_6~0 (_ bv10 16))) (not (bvsgt c_~var_1_1~0 .cse2)) (bvuge (_ bv4294967288 32) (bvadd c_~var_1_9~0 (bvneg .cse1))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 c_~var_1_11~0) c_~var_1_13~0)) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_16~0 .cse3) (fp.leq c_~var_1_16~0 .cse4)) (and (fp.leq c_~var_1_16~0 (fp.neg .cse3)) (fp.geq c_~var_1_16~0 (fp.neg .cse4))))) (bvsle c_~var_1_4~0 (_ bv1073741823 32)) (let ((.cse6 (bvadd c_~var_1_4~0 .cse1))) (let ((.cse5 (bvsgt .cse2 .cse6))) (or (and .cse5 (= c_~var_1_1~0 .cse2)) (and (not .cse5) (= c_~var_1_1~0 .cse6))))) (= c_~var_1_5~0 (bvadd (bvneg .cse2) c_~var_1_4~0 .cse1)) (bvslt .cse2 .cse1) (= c_~var_1_7~0 (_ bv1 32)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-11-06 22:10:12,952 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:10:18,841 WARN L293 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:10:43,620 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:10:53,826 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:10:59,053 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:11:04,249 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:11:09,323 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)