./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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 70056f6ecf6cc1e792a4daa4b0ef5828c715d2ed64331075caaff01f6900b2e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:53:24,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:53:24,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 21:53:24,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:53:24,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:53:25,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:53:25,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:53:25,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:53:25,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:53:25,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:53:25,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:53:25,026 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:53:25,027 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:53:25,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:53:25,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:53:25,033 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:53:25,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:53:25,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:53:25,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:53:25,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:53:25,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:53:25,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:53:25,036 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:53:25,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:53:25,037 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:53:25,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:53:25,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:53:25,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:53:25,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:25,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:53:25,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:53:25,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:53:25,041 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:53:25,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:53:25,041 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:53:25,041 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:53:25,042 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:53:25,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:53:25,042 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:53:25,042 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_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70056f6ecf6cc1e792a4daa4b0ef5828c715d2ed64331075caaff01f6900b2e4 [2023-11-06 21:53:25,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:53:25,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:53:25,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:53:25,375 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:53:25,376 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:53:25,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i [2023-11-06 21:53:28,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:53:28,721 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:53:28,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i [2023-11-06 21:53:28,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/data/7c7338076/65f76a6595c54340af72ada01f38eb43/FLAGe36f4a7c3 [2023-11-06 21:53:28,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/data/7c7338076/65f76a6595c54340af72ada01f38eb43 [2023-11-06 21:53:28,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:53:28,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:53:28,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:28,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:53:28,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:53:28,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:28" (1/1) ... [2023-11-06 21:53:28,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4a732d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:28, skipping insertion in model container [2023-11-06 21:53:28,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:28" (1/1) ... [2023-11-06 21:53:28,829 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:53:29,014 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_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i[916,929] [2023-11-06 21:53:29,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:29,075 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:53:29,089 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_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i[916,929] [2023-11-06 21:53:29,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:29,136 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:53:29,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29 WrapperNode [2023-11-06 21:53:29,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:29,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:29,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:53:29,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:53:29,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,202 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-11-06 21:53:29,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:29,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:53:29,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:53:29,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:53:29,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:53:29,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:53:29,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:53:29,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:53:29,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:29,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:29,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:53:29,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:53:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:53:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:53:29,340 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:53:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:53:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:53:29,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:53:29,424 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:53:29,427 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:53:29,686 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:53:29,701 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:53:29,702 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:53:29,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:29 BoogieIcfgContainer [2023-11-06 21:53:29,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:53:29,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:53:29,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:53:29,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:53:29,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:53:28" (1/3) ... [2023-11-06 21:53:29,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a219c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:29, skipping insertion in model container [2023-11-06 21:53:29,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29" (2/3) ... [2023-11-06 21:53:29,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a219c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:29, skipping insertion in model container [2023-11-06 21:53:29,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:29" (3/3) ... [2023-11-06 21:53:29,719 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-13.i [2023-11-06 21:53:29,739 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:53:29,740 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:53:29,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:53:29,801 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;@3416cb76, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:53:29,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:53:29,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 21:53:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 21:53:29,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:29,826 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:53:29,827 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:29,832 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:29,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1848977806, now seen corresponding path program 1 times [2023-11-06 21:53:29,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:29,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771475706] [2023-11-06 21:53:29,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:29,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:30,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:30,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771475706] [2023-11-06 21:53:30,160 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 21:53:30,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727644494] [2023-11-06 21:53:30,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:30,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:53:30,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:30,165 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:53:30,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 21:53:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:30,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 21:53:30,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:53:30,511 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-06 21:53:30,512 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:53:30,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727644494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:30,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:30,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:53:30,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938312791] [2023-11-06 21:53:30,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:30,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:53:30,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:30,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:53:30,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:53:30,554 INFO L87 Difference]: Start difference. First operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 21:53:30,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:30,587 INFO L93 Difference]: Finished difference Result 99 states and 171 transitions. [2023-11-06 21:53:30,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:53:30,589 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 118 [2023-11-06 21:53:30,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:30,598 INFO L225 Difference]: With dead ends: 99 [2023-11-06 21:53:30,598 INFO L226 Difference]: Without dead ends: 49 [2023-11-06 21:53:30,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 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 21:53:30,606 INFO L413 NwaCegarLoop]: 71 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, 71 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 21:53:30,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:30,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-06 21:53:30,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-06 21:53:30,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 21:53:30,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2023-11-06 21:53:30,659 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 118 [2023-11-06 21:53:30,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:30,660 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2023-11-06 21:53:30,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 21:53:30,661 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2023-11-06 21:53:30,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-06 21:53:30,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:30,665 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:53:30,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 21:53:30,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 21:53:30,872 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:30,873 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:30,873 INFO L85 PathProgramCache]: Analyzing trace with hash -609254647, now seen corresponding path program 1 times [2023-11-06 21:53:30,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:30,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552121959] [2023-11-06 21:53:30,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:30,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:30,999 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:53:30,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121956358] [2023-11-06 21:53:30,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:31,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:53:31,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:31,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:53:31,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 21:53:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:53:31,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:53:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:53:31,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:53:31,433 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:53:31,434 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:53:31,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:53:31,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-06 21:53:31,646 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 21:53:31,649 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:53:31,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:53:31 BoogieIcfgContainer [2023-11-06 21:53:31,810 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:53:31,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:53:31,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:53:31,811 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:53:31,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:29" (3/4) ... [2023-11-06 21:53:31,815 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:53:31,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:53:31,817 INFO L158 Benchmark]: Toolchain (without parser) took 3053.38ms. Allocated memory is still 178.3MB. Free memory was 150.9MB in the beginning and 143.8MB in the end (delta: 7.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-06 21:53:31,817 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:53:31,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.01ms. Allocated memory is still 178.3MB. Free memory was 150.0MB in the beginning and 139.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:53:31,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.36ms. Allocated memory is still 178.3MB. Free memory was 139.8MB in the beginning and 137.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:53:31,820 INFO L158 Benchmark]: Boogie Preprocessor took 39.75ms. Allocated memory is still 178.3MB. Free memory was 137.7MB in the beginning and 135.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:53:31,820 INFO L158 Benchmark]: RCFGBuilder took 459.71ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 118.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 21:53:31,821 INFO L158 Benchmark]: TraceAbstraction took 2103.26ms. Allocated memory is still 178.3MB. Free memory was 118.9MB in the beginning and 143.8MB in the end (delta: -25.0MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2023-11-06 21:53:31,822 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 178.3MB. Free memory is still 143.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:53:31,825 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.01ms. Allocated memory is still 178.3MB. Free memory was 150.0MB in the beginning and 139.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.36ms. Allocated memory is still 178.3MB. Free memory was 139.8MB in the beginning and 137.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.75ms. Allocated memory is still 178.3MB. Free memory was 137.7MB in the beginning and 135.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.71ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 118.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2103.26ms. Allocated memory is still 178.3MB. Free memory was 118.9MB in the beginning and 143.8MB in the end (delta: -25.0MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 178.3MB. Free memory is still 143.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 25; [L23] unsigned char var_1_2 = 1; [L24] signed char var_1_5 = 16; [L25] unsigned short int var_1_6 = 16; [L26] signed char var_1_7 = 4; [L27] unsigned short int var_1_8 = 2; [L28] signed char var_1_9 = 64; [L29] signed char var_1_10 = 0; [L30] unsigned char var_1_11 = 16; [L31] signed long int var_1_12 = 128; [L32] signed long int var_1_13 = 50; [L33] signed long int var_1_14 = 3; [L34] signed long int var_1_15 = 25; VAL [isInitial=0, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L96] isInitial = 1 [L97] FCALL initially() [L98] COND TRUE 1 [L99] FCALL updateLastVariables() [L100] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L62] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L62] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L63] var_1_6 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=64] [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=64] [L65] CALL assume_abort_if_not(var_1_6 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=64] [L65] RET assume_abort_if_not(var_1_6 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=64] [L66] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=64] [L66] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=64] [L67] var_1_7 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=64] [L68] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=64] [L69] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=64] [L69] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=64] [L70] var_1_9 = __VERIFIER_nondet_char() [L71] CALL assume_abort_if_not(var_1_9 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L71] RET assume_abort_if_not(var_1_9 >= 63) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L72] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L72] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L73] var_1_10 = __VERIFIER_nondet_char() [L74] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L74] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L75] CALL assume_abort_if_not(var_1_10 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L75] RET assume_abort_if_not(var_1_10 <= 64) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=128, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L76] var_1_12 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L77] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L78] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L78] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=50, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L79] var_1_13 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L80] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L81] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L81] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=3, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L82] var_1_14 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L83] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L84] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L84] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=25, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L85] var_1_15 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L86] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L87] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L87] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L100] RET updateVariables() [L101] CALL step() [L38] COND FALSE !(((var_1_12 - var_1_13) + var_1_14) <= (256.625 * ((((1.875) > (var_1_15)) ? (1.875) : (var_1_15))))) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L41] COND TRUE \read(var_1_2) [L42] var_1_1 = ((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=16, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L44] COND TRUE (var_1_1 == 16) || (var_1_11 < (10 / var_1_6)) [L45] var_1_5 = var_1_7 VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L49] unsigned char stepLocal_1 = var_1_11; [L50] unsigned char stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=16, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L51] COND TRUE stepLocal_0 || (var_1_11 >= var_1_11) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=16, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=127] [L52] COND TRUE stepLocal_1 < ((var_1_9 - var_1_10) - 16) [L53] var_1_8 = ((((var_1_10) > (32)) ? (var_1_10) : (32))) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=16, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=32, var_1_9=127] [L101] RET step() [L102] CALL, EXPR property() [L92-L93] return (((var_1_2 ? (var_1_1 == ((unsigned short int) ((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))))) : 1) && (((var_1_1 == 16) || (var_1_11 < (10 / var_1_6))) ? (var_1_5 == ((signed char) var_1_7)) : (var_1_5 == ((signed char) 5)))) && ((var_1_2 || (var_1_11 >= var_1_11)) ? ((var_1_11 < ((var_1_9 - var_1_10) - 16)) ? (var_1_8 == ((unsigned short int) ((((var_1_10) > (32)) ? (var_1_10) : (32))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_9) < (var_1_11)) ? (var_1_9) : (var_1_11))))))) && ((((var_1_12 - var_1_13) + var_1_14) <= (256.625 * ((((1.875) > (var_1_15)) ? (1.875) : (var_1_15))))) ? (var_1_11 == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=32, var_1_9=127] [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=32, var_1_9=127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=0, var_1_13=0, var_1_14=-2147483648, var_1_15=-2147483648, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=32, var_1_9=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 19, 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, 71 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, 71 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 117 SizeOfPredicates, 0 NumberOfNonLiveVariables, 281 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 684/684 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 21:53:31,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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 70056f6ecf6cc1e792a4daa4b0ef5828c715d2ed64331075caaff01f6900b2e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:53:35,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:53:35,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 21:53:35,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:53:35,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:53:35,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:53:35,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:53:35,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:53:35,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:53:35,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:53:35,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:53:35,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:53:35,255 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:53:35,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:53:35,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:53:35,258 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:53:35,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:53:35,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:53:35,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:53:35,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:53:35,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:53:35,261 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:53:35,262 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:53:35,262 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:53:35,262 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:53:35,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:53:35,263 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:53:35,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:53:35,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:53:35,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:53:35,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:35,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:53:35,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:53:35,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:53:35,267 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 21:53:35,268 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:53:35,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:53:35,268 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:53:35,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:53:35,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:53:35,270 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 21:53:35,270 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:53:35,270 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_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70056f6ecf6cc1e792a4daa4b0ef5828c715d2ed64331075caaff01f6900b2e4 [2023-11-06 21:53:35,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:53:35,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:53:35,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:53:35,690 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:53:35,693 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:53:35,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i [2023-11-06 21:53:39,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:53:39,514 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:53:39,514 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i [2023-11-06 21:53:39,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/data/d5c235011/7b6ca1262c3b45bab783e3982c92faf8/FLAGaff6f46bd [2023-11-06 21:53:39,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/data/d5c235011/7b6ca1262c3b45bab783e3982c92faf8 [2023-11-06 21:53:39,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:53:39,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:53:39,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:39,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:53:39,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:53:39,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cfb3d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:39, skipping insertion in model container [2023-11-06 21:53:39,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:39" (1/1) ... [2023-11-06 21:53:39,596 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:53:39,802 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_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i[916,929] [2023-11-06 21:53:39,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:39,901 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:53:39,921 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_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-13.i[916,929] [2023-11-06 21:53:39,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:40,008 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:53:40,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40 WrapperNode [2023-11-06 21:53:40,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:40,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:40,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:53:40,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:53:40,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,092 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2023-11-06 21:53:40,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:40,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:53:40,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:53:40,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:53:40,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:53:40,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:53:40,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:53:40,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:53:40,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:40,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:40,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:53:40,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:53:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:53:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:53:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:53:40,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:53:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:53:40,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:53:40,357 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:53:40,359 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:53:46,563 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:53:46,569 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:53:46,570 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:53:46,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:46 BoogieIcfgContainer [2023-11-06 21:53:46,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:53:46,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:53:46,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:53:46,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:53:46,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:53:39" (1/3) ... [2023-11-06 21:53:46,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdb526b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:46, skipping insertion in model container [2023-11-06 21:53:46,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (2/3) ... [2023-11-06 21:53:46,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdb526b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:46, skipping insertion in model container [2023-11-06 21:53:46,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:46" (3/3) ... [2023-11-06 21:53:46,582 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-13.i [2023-11-06 21:53:46,598 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:53:46,599 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:53:46,650 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:53:46,657 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;@71391b5c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:53:46,657 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:53:46,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 21:53:46,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 21:53:46,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:46,678 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:53:46,679 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:46,685 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:46,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1848977806, now seen corresponding path program 1 times [2023-11-06 21:53:46,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:53:46,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051659098] [2023-11-06 21:53:46,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:46,698 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 21:53:46,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:53:46,704 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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 21:53:46,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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 21:53:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 21:53:47,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:53:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-06 21:53:47,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:53:47,116 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:53:47,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051659098] [2023-11-06 21:53:47,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051659098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:47,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:47,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:53:47,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459359667] [2023-11-06 21:53:47,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:47,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:53:47,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:53:47,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:53:47,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:53:47,174 INFO L87 Difference]: Start difference. First operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 21:53:47,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:47,223 INFO L93 Difference]: Finished difference Result 99 states and 171 transitions. [2023-11-06 21:53:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:53:47,225 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 118 [2023-11-06 21:53:47,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:47,233 INFO L225 Difference]: With dead ends: 99 [2023-11-06 21:53:47,233 INFO L226 Difference]: Without dead ends: 49 [2023-11-06 21:53:47,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 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 21:53:47,241 INFO L413 NwaCegarLoop]: 71 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, 71 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 21:53:47,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:47,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-06 21:53:47,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-06 21:53:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 21:53:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2023-11-06 21:53:47,292 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 118 [2023-11-06 21:53:47,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:47,292 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2023-11-06 21:53:47,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 21:53:47,293 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2023-11-06 21:53:47,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-06 21:53:47,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:47,297 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:53:47,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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 21:53:47,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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 21:53:47,520 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:47,521 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:47,521 INFO L85 PathProgramCache]: Analyzing trace with hash -609254647, now seen corresponding path program 1 times [2023-11-06 21:53:47,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:53:47,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [633036626] [2023-11-06 21:53:47,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:47,523 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 21:53:47,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:53:47,525 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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 21:53:47,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdff4d3d-cb6c-44a9-b102-4b54146cdb87/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 21:53:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 21:53:47,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:54:08,295 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (bvadd c_~var_1_12~0 c_~var_1_14~0 (bvneg c_~var_1_13~0)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 2053.0 8.0))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0))) (and (= (_ bv16 8) c_~var_1_11~0) (not (fp.leq .cse0 (fp.mul c_currentRoundingMode .cse1 .cse2))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 15.0 8.0)))) (or (not (fp.leq .cse0 (fp.mul c_currentRoundingMode .cse1 .cse3))) (not (fp.gt .cse3 .cse2)))))) is different from false [2023-11-06 21:54:10,318 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (bvadd c_~var_1_12~0 c_~var_1_14~0 (bvneg c_~var_1_13~0)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 2053.0 8.0))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0))) (and (= (_ bv16 8) c_~var_1_11~0) (not (fp.leq .cse0 (fp.mul c_currentRoundingMode .cse1 .cse2))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 15.0 8.0)))) (or (not (fp.leq .cse0 (fp.mul c_currentRoundingMode .cse1 .cse3))) (not (fp.gt .cse3 .cse2)))))) is different from true [2023-11-06 21:54:27,414 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (bvadd c_~var_1_12~0 c_~var_1_14~0 (bvneg c_~var_1_13~0)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 2053.0 8.0))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0))) (and (= (_ bv16 8) c_~var_1_11~0) (= (_ bv16 16) c_~var_1_1~0) (not (fp.leq .cse0 (fp.mul c_currentRoundingMode .cse1 .cse2))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 15.0 8.0)))) (or (not (fp.leq .cse0 (fp.mul c_currentRoundingMode .cse1 .cse3))) (not (fp.gt .cse3 .cse2)))))) is different from false [2023-11-06 21:54:52,670 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (bvadd c_~var_1_12~0 c_~var_1_14~0 (bvneg c_~var_1_13~0)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 2053.0 8.0))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0))) (and (= c_~var_1_7~0 c_~var_1_5~0) (= (_ bv16 8) c_~var_1_11~0) (= (_ bv16 16) c_~var_1_1~0) (not (fp.leq .cse0 (fp.mul c_currentRoundingMode .cse1 .cse2))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 15.0 8.0)))) (or (not (fp.leq .cse0 (fp.mul c_currentRoundingMode .cse1 .cse3))) (not (fp.gt .cse3 .cse2)))))) is different from false [2023-11-06 21:54:54,692 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (bvadd c_~var_1_12~0 c_~var_1_14~0 (bvneg c_~var_1_13~0)))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 2053.0 8.0))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0))) (and (= c_~var_1_7~0 c_~var_1_5~0) (= (_ bv16 8) c_~var_1_11~0) (= (_ bv16 16) c_~var_1_1~0) (not (fp.leq .cse0 (fp.mul c_currentRoundingMode .cse1 .cse2))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 15.0 8.0)))) (or (not (fp.leq .cse0 (fp.mul c_currentRoundingMode .cse1 .cse3))) (not (fp.gt .cse3 .cse2)))))) is different from true [2023-11-06 21:56:10,464 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (bvadd c_~var_1_12~0 c_~var_1_14~0 (bvneg c_~var_1_13~0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 2053.0 8.0))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0))) (and (= c_~var_1_7~0 c_~var_1_5~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_10~0))) (let ((.cse0 (bvsgt .cse1 (_ bv32 32)))) (or (and (= c_~var_1_8~0 (_ bv32 16)) (not .cse0)) (and .cse0 (= ((_ extract 15 0) .cse1) c_~var_1_8~0))))) (= (_ bv16 8) c_~var_1_11~0) (= (_ bv16 16) c_~var_1_1~0) (not (fp.leq .cse2 (fp.mul c_currentRoundingMode .cse3 .cse4))) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 15.0 8.0)))) (or (not (fp.leq .cse2 (fp.mul c_currentRoundingMode .cse3 .cse5))) (not (fp.gt .cse5 .cse4)))))) is different from false [2023-11-06 21:56:12,489 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (bvadd c_~var_1_12~0 c_~var_1_14~0 (bvneg c_~var_1_13~0)))) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 2053.0 8.0))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0))) (and (= c_~var_1_7~0 c_~var_1_5~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_10~0))) (let ((.cse0 (bvsgt .cse1 (_ bv32 32)))) (or (and (= c_~var_1_8~0 (_ bv32 16)) (not .cse0)) (and .cse0 (= ((_ extract 15 0) .cse1) c_~var_1_8~0))))) (= (_ bv16 8) c_~var_1_11~0) (= (_ bv16 16) c_~var_1_1~0) (not (fp.leq .cse2 (fp.mul c_currentRoundingMode .cse3 .cse4))) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 15.0 8.0)))) (or (not (fp.leq .cse2 (fp.mul c_currentRoundingMode .cse3 .cse5))) (not (fp.gt .cse5 .cse4)))))) is different from true