./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.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_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/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_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/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_1f5148e6-c0ed-473d-ad53-e386394987f8/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 d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:59:09,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:59:09,252 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 21:59:09,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:59:09,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:59:09,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:59:09,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:59:09,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:59:09,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:59:09,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:59:09,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:59:09,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:59:09,322 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:59:09,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:59:09,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:59:09,326 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:59:09,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:59:09,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:59:09,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:59:09,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:59:09,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:59:09,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:59:09,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:59:09,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:59:09,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:59:09,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:59:09,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:59:09,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:59:09,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:09,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:59:09,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:59:09,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:59:09,336 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:59:09,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:59:09,337 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:59:09,337 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:59:09,338 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:59:09,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:59:09,338 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:59:09,338 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_1f5148e6-c0ed-473d-ad53-e386394987f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae [2023-11-06 21:59:09,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:59:09,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:59:09,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:59:09,703 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:59:09,704 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:59:09,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2023-11-06 21:59:13,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:59:13,772 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:59:13,773 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2023-11-06 21:59:13,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/data/d2fafe943/cc451b3d84fe47f39e00221012b950f3/FLAGe59f85d0d [2023-11-06 21:59:14,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/data/d2fafe943/cc451b3d84fe47f39e00221012b950f3 [2023-11-06 21:59:14,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:59:14,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:59:14,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:14,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:59:14,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:59:14,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:14" (1/1) ... [2023-11-06 21:59:14,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b61569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14, skipping insertion in model container [2023-11-06 21:59:14,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:14" (1/1) ... [2023-11-06 21:59:14,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:59:14,317 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_1f5148e6-c0ed-473d-ad53-e386394987f8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2023-11-06 21:59:14,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:14,395 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:59:14,412 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_1f5148e6-c0ed-473d-ad53-e386394987f8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2023-11-06 21:59:14,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:14,468 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:59:14,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14 WrapperNode [2023-11-06 21:59:14,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:14,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:14,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:59:14,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:59:14,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14" (1/1) ... [2023-11-06 21:59:14,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14" (1/1) ... [2023-11-06 21:59:14,536 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2023-11-06 21:59:14,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:14,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:59:14,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:59:14,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:59:14,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14" (1/1) ... [2023-11-06 21:59:14,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14" (1/1) ... [2023-11-06 21:59:14,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14" (1/1) ... [2023-11-06 21:59:14,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14" (1/1) ... [2023-11-06 21:59:14,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14" (1/1) ... [2023-11-06 21:59:14,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14" (1/1) ... [2023-11-06 21:59:14,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14" (1/1) ... [2023-11-06 21:59:14,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14" (1/1) ... [2023-11-06 21:59:14,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:59:14,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:59:14,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:59:14,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:59:14,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14" (1/1) ... [2023-11-06 21:59:14,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:14,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:14,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:59:14,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:59:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:59:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:59:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:59:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:59:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:59:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:59:14,810 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:59:14,812 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:59:15,132 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:59:15,141 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:59:15,142 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:59:15,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:15 BoogieIcfgContainer [2023-11-06 21:59:15,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:59:15,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:59:15,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:59:15,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:59:15,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:14" (1/3) ... [2023-11-06 21:59:15,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5228067f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:15, skipping insertion in model container [2023-11-06 21:59:15,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:14" (2/3) ... [2023-11-06 21:59:15,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5228067f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:15, skipping insertion in model container [2023-11-06 21:59:15,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:15" (3/3) ... [2023-11-06 21:59:15,182 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-99.i [2023-11-06 21:59:15,209 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:59:15,210 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:59:15,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:59:15,319 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;@34faba72, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:59:15,319 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:59:15,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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 21:59:15,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-06 21:59:15,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:15,344 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, 1] [2023-11-06 21:59:15,345 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:15,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:15,351 INFO L85 PathProgramCache]: Analyzing trace with hash 195872303, now seen corresponding path program 1 times [2023-11-06 21:59:15,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:15,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294381019] [2023-11-06 21:59:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:15,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:15,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:15,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294381019] [2023-11-06 21:59:15,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 21:59:15,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941190783] [2023-11-06 21:59:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:15,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:15,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:15,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:15,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 21:59:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:16,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 21:59:16,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:16,113 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 21:59:16,113 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:59:16,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941190783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:16,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:16,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:59:16,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115632757] [2023-11-06 21:59:16,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:16,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:59:16,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:16,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:59:16,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:16,193 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 21:59:16,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:16,230 INFO L93 Difference]: Finished difference Result 105 states and 177 transitions. [2023-11-06 21:59:16,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:59:16,233 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), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2023-11-06 21:59:16,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:16,243 INFO L225 Difference]: With dead ends: 105 [2023-11-06 21:59:16,243 INFO L226 Difference]: Without dead ends: 52 [2023-11-06 21:59:16,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 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 21:59:16,254 INFO L413 NwaCegarLoop]: 75 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, 75 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 21:59:16,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:59:16,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-06 21:59:16,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-06 21:59:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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 21:59:16,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2023-11-06 21:59:16,345 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 120 [2023-11-06 21:59:16,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:16,346 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2023-11-06 21:59:16,347 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), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 21:59:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2023-11-06 21:59:16,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-06 21:59:16,358 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:16,358 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, 1] [2023-11-06 21:59:16,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:16,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 21:59:16,571 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:16,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:16,572 INFO L85 PathProgramCache]: Analyzing trace with hash -2017633295, now seen corresponding path program 1 times [2023-11-06 21:59:16,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:16,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152124223] [2023-11-06 21:59:16,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:16,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:16,706 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 21:59:16,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [802614130] [2023-11-06 21:59:16,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:16,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:16,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:16,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:59:16,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 21:59:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:59:16,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:59:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:59:17,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:59:17,184 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:59:17,190 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:59:17,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:59:17,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:59:17,411 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 21:59:17,416 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:59:17,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:59:17 BoogieIcfgContainer [2023-11-06 21:59:17,608 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:59:17,610 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:59:17,610 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:59:17,611 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:59:17,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:15" (3/4) ... [2023-11-06 21:59:17,615 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:59:17,617 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:59:17,618 INFO L158 Benchmark]: Toolchain (without parser) took 3546.63ms. Allocated memory is still 157.3MB. Free memory was 113.1MB in the beginning and 114.9MB in the end (delta: -1.8MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2023-11-06 21:59:17,627 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 104.9MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:17,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.07ms. Allocated memory is still 157.3MB. Free memory was 112.8MB in the beginning and 100.6MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:59:17,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.01ms. Allocated memory is still 157.3MB. Free memory was 100.6MB in the beginning and 98.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:59:17,632 INFO L158 Benchmark]: Boogie Preprocessor took 56.81ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 96.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:17,633 INFO L158 Benchmark]: RCFGBuilder took 549.80ms. Allocated memory is still 157.3MB. Free memory was 96.8MB in the beginning and 81.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 21:59:17,633 INFO L158 Benchmark]: TraceAbstraction took 2442.05ms. Allocated memory is still 157.3MB. Free memory was 128.5MB in the beginning and 114.9MB in the end (delta: 13.5MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2023-11-06 21:59:17,637 INFO L158 Benchmark]: Witness Printer took 7.67ms. Allocated memory is still 157.3MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:17,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 104.9MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.07ms. Allocated memory is still 157.3MB. Free memory was 112.8MB in the beginning and 100.6MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.01ms. Allocated memory is still 157.3MB. Free memory was 100.6MB in the beginning and 98.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.81ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 96.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 549.80ms. Allocated memory is still 157.3MB. Free memory was 96.8MB in the beginning and 81.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2442.05ms. Allocated memory is still 157.3MB. Free memory was 128.5MB in the beginning and 114.9MB in the end (delta: 13.5MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Witness Printer took 7.67ms. Allocated memory is still 157.3MB. Free memory is still 114.9MB. 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 someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.5; [L23] unsigned char var_1_2 = 16; [L24] float var_1_4 = 2000000000.6; [L25] float var_1_5 = 500.5; [L26] float var_1_6 = 999999999.5; [L27] unsigned char var_1_7 = 1; [L28] float var_1_8 = 127.25; [L29] float var_1_9 = 4.8; [L30] float var_1_10 = 0.4; [L31] signed long int var_1_11 = 0; [L32] signed long int var_1_12 = 256; [L33] signed long int var_1_13 = 25; [L34] signed long int var_1_14 = -5; [L35] signed short int var_1_15 = 2; [L36] signed long int var_1_16 = -50; VAL [isInitial=0, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=16, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L66] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L67] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L67] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L68] var_1_4 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L69] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L70] var_1_5 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L71] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L72] var_1_6 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L73] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L74] var_1_7 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L75] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L76] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L76] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L77] var_1_8 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=24/5] [L78] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=24/5] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L80] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L82] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L83] var_1_12 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L84] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L85] CALL assume_abort_if_not(var_1_12 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L85] RET assume_abort_if_not(var_1_12 <= 2147483646) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L86] var_1_13 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L87] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L88] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L88] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L89] var_1_15 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_15 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L90] RET assume_abort_if_not(var_1_15 >= -32768) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L91] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L91] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L92] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L92] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L93] var_1_16 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_16 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L94] RET assume_abort_if_not(var_1_16 >= -1073741823) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L95] CALL assume_abort_if_not(var_1_16 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L95] RET assume_abort_if_not(var_1_16 <= 1073741823) VAL [isInitial=1, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L108] RET updateVariables() [L109] CALL step() [L40] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); VAL [isInitial=1, stepLocal_0=8, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_1=511/2, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L41] COND TRUE (((((200) < (128)) ? (200) : (128))) - var_1_2) > stepLocal_0 [L42] var_1_1 = (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6) VAL [isInitial=1, stepLocal_0=8, var_1_10=7, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L48] COND TRUE (var_1_5 + var_1_6) == var_1_1 [L49] var_1_11 = (((((var_1_2) < (var_1_12)) ? (var_1_2) : (var_1_12))) - var_1_13) VAL [isInitial=1, stepLocal_0=8, var_1_10=7, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L53] signed long int stepLocal_1 = var_1_12 % var_1_15; VAL [isInitial=1, stepLocal_0=8, stepLocal_1=0, var_1_10=7, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L54] COND TRUE var_1_9 == var_1_4 [L55] var_1_14 = var_1_13 VAL [isInitial=1, stepLocal_0=8, stepLocal_1=0, var_1_10=7, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((((((200) < (128)) ? (200) : (128))) - var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (var_1_1 == ((float) (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6))) : (var_1_7 ? (var_1_1 == ((float) (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) + var_1_10))) : 1)) && (((var_1_5 + var_1_6) == var_1_1) ? (var_1_11 == ((signed long int) (((((var_1_2) < (var_1_12)) ? (var_1_2) : (var_1_12))) - var_1_13))) : (var_1_11 == ((signed long int) var_1_13)))) && ((var_1_9 == var_1_4) ? (var_1_14 == ((signed long int) var_1_13)) : (((var_1_12 % var_1_15) != var_1_13) ? (var_1_14 == ((signed long int) ((((((var_1_15 + var_1_2) + var_1_16)) > (var_1_13)) ? (((var_1_15 + var_1_2) + var_1_16)) : (var_1_13))))) : (var_1_14 == ((signed long int) var_1_16)))) ; VAL [\result=0, isInitial=1, var_1_10=7, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=7, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=7, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_2=1, var_1_4=2, var_1_5=3, var_1_6=4, var_1_7=1, var_1_8=5, var_1_9=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, 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, 75 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, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 283 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 21:59:17,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/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_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/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_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/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_1f5148e6-c0ed-473d-ad53-e386394987f8/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 d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:59:21,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:59:21,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 21:59:21,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:59:21,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:59:21,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:59:21,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:59:21,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:59:21,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:59:21,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:59:21,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:59:21,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:59:21,330 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:59:21,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:59:21,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:59:21,332 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:59:21,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:59:21,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:59:21,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:59:21,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:59:21,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:59:21,335 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:59:21,336 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:59:21,336 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:59:21,337 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:59:21,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:59:21,338 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:59:21,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:59:21,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:59:21,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:59:21,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:21,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:59:21,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:59:21,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:59:21,342 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 21:59:21,343 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:59:21,343 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:59:21,344 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:59:21,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:59:21,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:59:21,345 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 21:59:21,347 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:59:21,348 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_1f5148e6-c0ed-473d-ad53-e386394987f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae [2023-11-06 21:59:21,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:59:21,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:59:21,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:59:21,931 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:59:21,931 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:59:21,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2023-11-06 21:59:25,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:59:26,194 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:59:26,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2023-11-06 21:59:26,216 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/data/25a796997/1f778d35e30c4d3fa9255fde985b515d/FLAGc94c0d8e3 [2023-11-06 21:59:26,238 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/data/25a796997/1f778d35e30c4d3fa9255fde985b515d [2023-11-06 21:59:26,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:59:26,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:59:26,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:26,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:59:26,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:59:26,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:26" (1/1) ... [2023-11-06 21:59:26,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207ed62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26, skipping insertion in model container [2023-11-06 21:59:26,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:26" (1/1) ... [2023-11-06 21:59:26,297 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:59:26,547 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_1f5148e6-c0ed-473d-ad53-e386394987f8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2023-11-06 21:59:26,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:26,678 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:59:26,697 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_1f5148e6-c0ed-473d-ad53-e386394987f8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2023-11-06 21:59:26,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:26,766 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:59:26,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26 WrapperNode [2023-11-06 21:59:26,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:26,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:26,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:59:26,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:59:26,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26" (1/1) ... [2023-11-06 21:59:26,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26" (1/1) ... [2023-11-06 21:59:26,859 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2023-11-06 21:59:26,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:26,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:59:26,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:59:26,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:59:26,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26" (1/1) ... [2023-11-06 21:59:26,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26" (1/1) ... [2023-11-06 21:59:26,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26" (1/1) ... [2023-11-06 21:59:26,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26" (1/1) ... [2023-11-06 21:59:26,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26" (1/1) ... [2023-11-06 21:59:26,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26" (1/1) ... [2023-11-06 21:59:26,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26" (1/1) ... [2023-11-06 21:59:26,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26" (1/1) ... [2023-11-06 21:59:26,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:59:26,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:59:26,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:59:26,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:59:26,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26" (1/1) ... [2023-11-06 21:59:26,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:27,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:27,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:59:27,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:59:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:59:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:59:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:59:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:59:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:59:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:59:27,216 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:59:27,220 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:59:29,423 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:59:29,432 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:59:29,433 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:59:29,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:29 BoogieIcfgContainer [2023-11-06 21:59:29,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:59:29,439 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:59:29,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:59:29,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:59:29,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:26" (1/3) ... [2023-11-06 21:59:29,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d621f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:29, skipping insertion in model container [2023-11-06 21:59:29,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:26" (2/3) ... [2023-11-06 21:59:29,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d621f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:29, skipping insertion in model container [2023-11-06 21:59:29,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:29" (3/3) ... [2023-11-06 21:59:29,448 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-99.i [2023-11-06 21:59:29,473 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:59:29,473 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:59:29,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:59:29,547 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;@30f3d018, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:59:29,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:59:29,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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 21:59:29,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-06 21:59:29,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:29,580 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, 1] [2023-11-06 21:59:29,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:29,593 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:29,593 INFO L85 PathProgramCache]: Analyzing trace with hash 195872303, now seen corresponding path program 1 times [2023-11-06 21:59:29,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:59:29,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285518027] [2023-11-06 21:59:29,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:29,613 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 21:59:29,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:59:29,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/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 21:59:29,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/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 21:59:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:30,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 21:59:30,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:59:30,443 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-06 21:59:30,443 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:59:30,444 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:59:30,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285518027] [2023-11-06 21:59:30,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285518027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:30,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:30,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:59:30,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649161106] [2023-11-06 21:59:30,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:30,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:59:30,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:59:30,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:59:30,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:30,503 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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 21:59:30,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:30,562 INFO L93 Difference]: Finished difference Result 105 states and 177 transitions. [2023-11-06 21:59:30,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:59:30,566 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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 120 [2023-11-06 21:59:30,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:30,577 INFO L225 Difference]: With dead ends: 105 [2023-11-06 21:59:30,578 INFO L226 Difference]: Without dead ends: 52 [2023-11-06 21:59:30,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 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 21:59:30,588 INFO L413 NwaCegarLoop]: 75 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, 75 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 21:59:30,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:59:30,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-06 21:59:30,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-06 21:59:30,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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 21:59:30,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2023-11-06 21:59:30,675 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 120 [2023-11-06 21:59:30,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:30,675 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2023-11-06 21:59:30,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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 21:59:30,676 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2023-11-06 21:59:30,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-06 21:59:30,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:30,680 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, 1] [2023-11-06 21:59:30,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/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 21:59:30,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/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 21:59:30,901 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:30,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:30,902 INFO L85 PathProgramCache]: Analyzing trace with hash -2017633295, now seen corresponding path program 1 times [2023-11-06 21:59:30,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:59:30,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298937750] [2023-11-06 21:59:30,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:30,904 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 21:59:30,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:59:30,906 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/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 21:59:30,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f5148e6-c0ed-473d-ad53-e386394987f8/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 21:59:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:31,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 21:59:31,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:00:00,889 WARN L293 SmtUtils]: Spent 6.37s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:00:57,254 WARN L293 SmtUtils]: Spent 17.03s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)