./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/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_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/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_2c6e3696-d2a2-491c-aff1-444ab679f5b6/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 aa2d3a4d32419b470c0361de47444a015c2912d90722971545568c67ebc1d3c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:02:26,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:02:26,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:02:26,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:02:26,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:02:26,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:02:26,416 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:02:26,417 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:02:26,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:02:26,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:02:26,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:02:26,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:02:26,422 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:02:26,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:02:26,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:02:26,424 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:02:26,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:02:26,426 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:02:26,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:02:26,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:02:26,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:02:26,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:02:26,430 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:02:26,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:02:26,431 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:02:26,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:02:26,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:02:26,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:02:26,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:26,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:02:26,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:02:26,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:02:26,437 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:02:26,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:02:26,438 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:02:26,438 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:02:26,439 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:02:26,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:02:26,440 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:02:26,441 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_2c6e3696-d2a2-491c-aff1-444ab679f5b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa2d3a4d32419b470c0361de47444a015c2912d90722971545568c67ebc1d3c0 [2023-11-06 22:02:26,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:02:26,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:02:26,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:02:26,823 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:02:26,824 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:02:26,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i [2023-11-06 22:02:30,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:02:30,647 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:02:30,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i [2023-11-06 22:02:30,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/data/413bd184c/1495afa3ea884462aa1e686bd4e0c0a8/FLAGdb086e637 [2023-11-06 22:02:30,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/data/413bd184c/1495afa3ea884462aa1e686bd4e0c0a8 [2023-11-06 22:02:30,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:02:30,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:02:30,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:30,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:02:30,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:02:30,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:30" (1/1) ... [2023-11-06 22:02:30,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d939310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:30, skipping insertion in model container [2023-11-06 22:02:30,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:30" (1/1) ... [2023-11-06 22:02:30,773 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:02:31,009 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_2c6e3696-d2a2-491c-aff1-444ab679f5b6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i[916,929] [2023-11-06 22:02:31,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:31,102 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:02:31,118 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_2c6e3696-d2a2-491c-aff1-444ab679f5b6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i[916,929] [2023-11-06 22:02:31,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:31,185 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:02:31,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:31 WrapperNode [2023-11-06 22:02:31,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:31,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:31,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:02:31,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:02:31,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:31" (1/1) ... [2023-11-06 22:02:31,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:31" (1/1) ... [2023-11-06 22:02:31,286 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2023-11-06 22:02:31,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:31,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:02:31,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:02:31,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:02:31,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:31" (1/1) ... [2023-11-06 22:02:31,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:31" (1/1) ... [2023-11-06 22:02:31,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:31" (1/1) ... [2023-11-06 22:02:31,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:31" (1/1) ... [2023-11-06 22:02:31,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:31" (1/1) ... [2023-11-06 22:02:31,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:31" (1/1) ... [2023-11-06 22:02:31,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:31" (1/1) ... [2023-11-06 22:02:31,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:31" (1/1) ... [2023-11-06 22:02:31,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:02:31,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:02:31,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:02:31,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:02:31,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:31" (1/1) ... [2023-11-06 22:02:31,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:31,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:31,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:31,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:02:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:02:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:02:31,464 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:02:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:02:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:02:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:02:31,579 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:02:31,582 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:02:31,872 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:02:31,879 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:02:31,879 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:02:31,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:31 BoogieIcfgContainer [2023-11-06 22:02:31,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:02:31,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:02:31,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:02:31,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:02:31,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:02:30" (1/3) ... [2023-11-06 22:02:31,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6700d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:31, skipping insertion in model container [2023-11-06 22:02:31,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:31" (2/3) ... [2023-11-06 22:02:31,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6700d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:31, skipping insertion in model container [2023-11-06 22:02:31,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:31" (3/3) ... [2023-11-06 22:02:31,892 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-0.i [2023-11-06 22:02:31,912 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:02:31,913 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:02:31,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:02:31,970 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;@7b8254b3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:02:31,971 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:02:31,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 22:02:31,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 22:02:31,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:31,988 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:31,989 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:31,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:31,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1631651389, now seen corresponding path program 1 times [2023-11-06 22:02:32,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:32,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675274068] [2023-11-06 22:02:32,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:32,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:32,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:02:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:32,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:02:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:32,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:02:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:32,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:02:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:32,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:02:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:32,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:02:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:32,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:02:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:32,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:02:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-06 22:02:32,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:02:32,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675274068] [2023-11-06 22:02:32,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675274068] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:32,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:32,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:32,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407254317] [2023-11-06 22:02:32,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:32,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:02:32,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:02:32,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:02:32,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:02:32,371 INFO L87 Difference]: Start difference. First operand has 41 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:02:32,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:32,393 INFO L93 Difference]: Finished difference Result 74 states and 120 transitions. [2023-11-06 22:02:32,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:02:32,395 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2023-11-06 22:02:32,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:32,402 INFO L225 Difference]: With dead ends: 74 [2023-11-06 22:02:32,402 INFO L226 Difference]: Without dead ends: 36 [2023-11-06 22:02:32,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:02:32,408 INFO L413 NwaCegarLoop]: 49 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, 49 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:32,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:02:32,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-06 22:02:32,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-06 22:02:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 22:02:32,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2023-11-06 22:02:32,449 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 58 [2023-11-06 22:02:32,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:32,449 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2023-11-06 22:02:32,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:02:32,450 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2023-11-06 22:02:32,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 22:02:32,453 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:32,454 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:32,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:02:32,454 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:32,455 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:32,455 INFO L85 PathProgramCache]: Analyzing trace with hash -402914689, now seen corresponding path program 1 times [2023-11-06 22:02:32,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:02:32,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668204640] [2023-11-06 22:02:32,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:32,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:02:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:32,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:02:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:02:32,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:02:32,664 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:02:32,665 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:02:32,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:02:32,671 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:02:32,675 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:02:32,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:02:32 BoogieIcfgContainer [2023-11-06 22:02:32,741 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:02:32,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:02:32,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:02:32,742 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:02:32,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:31" (3/4) ... [2023-11-06 22:02:32,745 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:02:32,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:02:32,747 INFO L158 Benchmark]: Toolchain (without parser) took 2041.55ms. Allocated memory is still 184.5MB. Free memory was 138.1MB in the beginning and 131.6MB in the end (delta: 6.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-06 22:02:32,748 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:02:32,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.55ms. Allocated memory is still 184.5MB. Free memory was 137.5MB in the beginning and 126.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:02:32,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.47ms. Allocated memory is still 184.5MB. Free memory was 126.2MB in the beginning and 124.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:02:32,757 INFO L158 Benchmark]: Boogie Preprocessor took 62.41ms. Allocated memory is still 184.5MB. Free memory was 123.5MB in the beginning and 122.6MB in the end (delta: 953.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:02:32,758 INFO L158 Benchmark]: RCFGBuilder took 530.56ms. Allocated memory is still 184.5MB. Free memory was 122.6MB in the beginning and 108.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:02:32,760 INFO L158 Benchmark]: TraceAbstraction took 856.40ms. Allocated memory is still 184.5MB. Free memory was 108.3MB in the beginning and 131.6MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:02:32,760 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 184.5MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:02:32,769 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.55ms. Allocated memory is still 184.5MB. Free memory was 137.5MB in the beginning and 126.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.47ms. Allocated memory is still 184.5MB. Free memory was 126.2MB in the beginning and 124.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.41ms. Allocated memory is still 184.5MB. Free memory was 123.5MB in the beginning and 122.6MB in the end (delta: 953.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 530.56ms. Allocated memory is still 184.5MB. Free memory was 122.6MB in the beginning and 108.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 856.40ms. Allocated memory is still 184.5MB. Free memory was 108.3MB in the beginning and 131.6MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 184.5MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryArithmeticDOUBLEoperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 25.8; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 128.2; [L25] double var_1_4 = 15.4; [L26] double var_1_5 = 5.25; [L27] unsigned char var_1_9 = 1; [L28] unsigned char var_1_10 = 100; [L29] unsigned char var_1_12 = 1; [L30] unsigned short int var_1_13 = 5; [L31] double last_1_var_1_5 = 5.25; [L32] unsigned char last_1_var_1_10 = 100; [L33] unsigned short int last_1_var_1_13 = 5; VAL [isInitial=0, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L84] last_1_var_1_5 = var_1_5 [L85] last_1_var_1_10 = var_1_10 [L86] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L96] RET updateLastVariables() [L97] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L70] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L71] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L72] var_1_3 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L73] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L74] var_1_4 = __VERIFIER_nondet_double() [L75] 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, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=1] [L75] 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, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=1] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L77] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L78] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L79] var_1_12 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L80] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L81] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L97] RET updateVariables() [L98] CALL step() [L37] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L42] COND FALSE !((last_1_var_1_13 + last_1_var_1_13) < last_1_var_1_13) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L47] COND TRUE ! var_1_2 [L48] var_1_1 = (var_1_3 - var_1_4) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=21/4, var_1_9=0] [L52] COND FALSE !((var_1_3 + (var_1_4 + var_1_1)) != var_1_1) [L65] var_1_5 = var_1_3 VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=262, var_1_9=0] [L98] RET step() [L99] CALL, EXPR property() [L89-L90] return ((((! var_1_2) ? (var_1_1 == ((double) (var_1_3 - var_1_4))) : (var_1_1 == ((double) ((((16.2) < (var_1_3)) ? (16.2) : (var_1_3)))))) && (((var_1_3 + (var_1_4 + var_1_1)) != var_1_1) ? (var_1_2 ? (((- var_1_13) <= var_1_10) ? (var_1_9 ? (var_1_5 == ((double) var_1_4)) : 1) : (var_1_5 == ((double) var_1_3))) : (var_1_5 == ((double) var_1_3))) : (var_1_5 == ((double) var_1_3)))) && (((last_1_var_1_13 + last_1_var_1_13) < last_1_var_1_13) ? ((last_1_var_1_13 > last_1_var_1_13) ? (var_1_10 == ((unsigned char) var_1_12)) : 1) : 1)) && (var_1_9 ? (((var_1_4 * (var_1_3 - 5.3)) <= last_1_var_1_5) ? (var_1_13 == ((unsigned short int) last_1_var_1_10)) : 1) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=262, var_1_9=0] [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=262, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=0, var_1_3=262, var_1_4=261, var_1_5=262, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 8, 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, 49 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, 49 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 112/112 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:02:32,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/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_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/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_2c6e3696-d2a2-491c-aff1-444ab679f5b6/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 aa2d3a4d32419b470c0361de47444a015c2912d90722971545568c67ebc1d3c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:02:35,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:02:36,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:02:36,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:02:36,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:02:36,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:02:36,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:02:36,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:02:36,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:02:36,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:02:36,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:02:36,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:02:36,069 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:02:36,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:02:36,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:02:36,071 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:02:36,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:02:36,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:02:36,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:02:36,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:02:36,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:02:36,074 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:02:36,075 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:02:36,075 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:02:36,076 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:02:36,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:02:36,077 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:02:36,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:02:36,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:02:36,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:02:36,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:36,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:02:36,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:02:36,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:02:36,080 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:02:36,081 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:02:36,081 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:02:36,081 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:02:36,081 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:02:36,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:02:36,082 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:02:36,082 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:02:36,082 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_2c6e3696-d2a2-491c-aff1-444ab679f5b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa2d3a4d32419b470c0361de47444a015c2912d90722971545568c67ebc1d3c0 [2023-11-06 22:02:36,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:02:36,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:02:36,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:02:36,581 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:02:36,582 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:02:36,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i [2023-11-06 22:02:39,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:02:40,370 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:02:40,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i [2023-11-06 22:02:40,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/data/d026a9a50/a18ab8ebbe424c50b37e0fc5f803475d/FLAGb51fe9adc [2023-11-06 22:02:40,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/data/d026a9a50/a18ab8ebbe424c50b37e0fc5f803475d [2023-11-06 22:02:40,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:02:40,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:02:40,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:40,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:02:40,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:02:40,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e0dbae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40, skipping insertion in model container [2023-11-06 22:02:40,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,454 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:02:40,702 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_2c6e3696-d2a2-491c-aff1-444ab679f5b6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i[916,929] [2023-11-06 22:02:40,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:40,811 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:02:40,831 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_2c6e3696-d2a2-491c-aff1-444ab679f5b6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i[916,929] [2023-11-06 22:02:40,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:02:40,900 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:02:40,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40 WrapperNode [2023-11-06 22:02:40,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:02:40,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:40,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:02:40,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:02:40,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:40,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:41,007 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2023-11-06 22:02:41,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:02:41,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:02:41,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:02:41,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:02:41,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:41,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:41,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:41,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:41,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:41,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:41,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:41,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:41,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:02:41,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:02:41,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:02:41,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:02:41,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (1/1) ... [2023-11-06 22:02:41,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:41,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:02:41,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:02:41,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:02:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:02:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:02:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:02:41,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:02:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:02:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:02:41,294 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:02:41,296 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:02:51,206 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:02:51,215 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:02:51,215 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:02:51,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:51 BoogieIcfgContainer [2023-11-06 22:02:51,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:02:51,222 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:02:51,223 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:02:51,227 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:02:51,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:02:40" (1/3) ... [2023-11-06 22:02:51,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258c5adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:51, skipping insertion in model container [2023-11-06 22:02:51,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:02:40" (2/3) ... [2023-11-06 22:02:51,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258c5adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:02:51, skipping insertion in model container [2023-11-06 22:02:51,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:02:51" (3/3) ... [2023-11-06 22:02:51,232 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-0.i [2023-11-06 22:02:51,256 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:02:51,256 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:02:51,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:02:51,329 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;@5777c040, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:02:51,330 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:02:51,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 22:02:51,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 22:02:51,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:51,351 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:51,355 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:51,368 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:51,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1631651389, now seen corresponding path program 1 times [2023-11-06 22:02:51,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:02:51,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278944886] [2023-11-06 22:02:51,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:51,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:02:51,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:02:51,416 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:02:51,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:02:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:52,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:02:52,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:52,239 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-06 22:02:52,239 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:02:52,240 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:02:52,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278944886] [2023-11-06 22:02:52,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1278944886] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:02:52,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:02:52,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:02:52,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336390192] [2023-11-06 22:02:52,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:52,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:02:52,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:02:52,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:02:52,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:02:52,287 INFO L87 Difference]: Start difference. First operand has 41 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:02:52,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:52,318 INFO L93 Difference]: Finished difference Result 74 states and 120 transitions. [2023-11-06 22:02:52,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:02:52,321 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2023-11-06 22:02:52,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:52,330 INFO L225 Difference]: With dead ends: 74 [2023-11-06 22:02:52,330 INFO L226 Difference]: Without dead ends: 36 [2023-11-06 22:02:52,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:02:52,338 INFO L413 NwaCegarLoop]: 49 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, 49 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:52,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:02:52,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-06 22:02:52,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-06 22:02:52,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 22:02:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2023-11-06 22:02:52,391 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 58 [2023-11-06 22:02:52,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:52,392 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2023-11-06 22:02:52,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:02:52,393 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2023-11-06 22:02:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 22:02:52,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:52,397 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:02:52,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:52,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:02:52,616 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:52,617 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:52,617 INFO L85 PathProgramCache]: Analyzing trace with hash -402914689, now seen corresponding path program 1 times [2023-11-06 22:02:52,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:02:52,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373267813] [2023-11-06 22:02:52,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:52,619 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:02:52,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:02:52,621 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:02:52,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c6e3696-d2a2-491c-aff1-444ab679f5b6/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:02:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:53,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:02:53,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:03:39,409 WARN L839 $PredicateComparison]: unable to prove that (and (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0)) (fp.leq c_~var_1_3~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (= c_~var_1_13~0 (_ bv5 16)) (fp.geq c_~var_1_3~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (= c_~var_1_9~0 (_ bv0 8)) (= c_~var_1_3~0 c_~var_1_5~0) (= (_ bv0 8) c_~var_1_2~0) (fp.eq (fp.add c_currentRoundingMode c_~var_1_3~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_1~0)) c_~var_1_1~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false