./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.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_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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 13083d95d661542b4d69cfedb32ccc83a061059041df5cc86775c87ade99f3f0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:20:18,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:20:18,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:20:18,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:20:18,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:20:18,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:20:18,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:20:18,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:20:18,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:20:18,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:20:18,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:20:18,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:20:18,885 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:20:18,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:20:18,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:20:18,888 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:20:18,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:20:18,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:20:18,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:20:18,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:20:18,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:20:18,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:20:18,891 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:20:18,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:20:18,892 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:20:18,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:20:18,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:20:18,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:20:18,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:18,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:20:18,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:20:18,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:20:18,897 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:20:18,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:20:18,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:20:18,897 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:20:18,898 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:20:18,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:20:18,898 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:20:18,898 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_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13083d95d661542b4d69cfedb32ccc83a061059041df5cc86775c87ade99f3f0 [2023-11-06 22:20:19,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:20:19,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:20:19,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:20:19,296 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:20:19,296 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:20:19,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i [2023-11-06 22:20:22,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:20:22,757 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:20:22,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i [2023-11-06 22:20:22,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/data/4505177f1/aa2c4b91c3c343d88dab7ea329969a3e/FLAG5eca013dc [2023-11-06 22:20:22,792 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/data/4505177f1/aa2c4b91c3c343d88dab7ea329969a3e [2023-11-06 22:20:22,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:20:22,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:20:22,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:22,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:20:22,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:20:22,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:22" (1/1) ... [2023-11-06 22:20:22,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53bf57bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:22, skipping insertion in model container [2023-11-06 22:20:22,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:22" (1/1) ... [2023-11-06 22:20:22,846 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:20:23,029 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_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i[917,930] [2023-11-06 22:20:23,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:23,104 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:20:23,120 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_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i[917,930] [2023-11-06 22:20:23,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:23,172 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:20:23,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:23 WrapperNode [2023-11-06 22:20:23,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:23,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:23,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:20:23,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:20:23,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:23" (1/1) ... [2023-11-06 22:20:23,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:23" (1/1) ... [2023-11-06 22:20:23,244 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2023-11-06 22:20:23,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:23,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:20:23,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:20:23,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:20:23,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:23" (1/1) ... [2023-11-06 22:20:23,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:23" (1/1) ... [2023-11-06 22:20:23,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:23" (1/1) ... [2023-11-06 22:20:23,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:23" (1/1) ... [2023-11-06 22:20:23,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:23" (1/1) ... [2023-11-06 22:20:23,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:23" (1/1) ... [2023-11-06 22:20:23,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:23" (1/1) ... [2023-11-06 22:20:23,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:23" (1/1) ... [2023-11-06 22:20:23,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:20:23,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:20:23,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:20:23,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:20:23,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:23" (1/1) ... [2023-11-06 22:20:23,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:23,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:23,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:20:23,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:20:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:20:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:20:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:20:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:20:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:20:23,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:20:23,557 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:20:23,560 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:20:24,114 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:20:24,123 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:20:24,123 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:20:24,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:24 BoogieIcfgContainer [2023-11-06 22:20:24,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:20:24,129 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:20:24,129 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:20:24,133 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:20:24,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:20:22" (1/3) ... [2023-11-06 22:20:24,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c83dfb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:24, skipping insertion in model container [2023-11-06 22:20:24,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:23" (2/3) ... [2023-11-06 22:20:24,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c83dfb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:24, skipping insertion in model container [2023-11-06 22:20:24,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:24" (3/3) ... [2023-11-06 22:20:24,137 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-43.i [2023-11-06 22:20:24,190 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:20:24,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:20:24,288 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:20:24,297 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;@226041f5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:20:24,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:20:24,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:20:24,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-06 22:20:24,329 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:24,331 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:24,332 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:24,341 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:24,342 INFO L85 PathProgramCache]: Analyzing trace with hash -367201464, now seen corresponding path program 1 times [2023-11-06 22:20:24,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:24,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930514548] [2023-11-06 22:20:24,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:24,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:24,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:20:24,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930514548] [2023-11-06 22:20:24,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:20:24,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637757996] [2023-11-06 22:20:24,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:24,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:24,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:24,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:24,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:20:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:24,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:20:24,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-06 22:20:24,936 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:24,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637757996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:24,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:24,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:20:24,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488032084] [2023-11-06 22:20:24,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:24,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:20:24,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:20:24,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:20:24,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:20:24,987 INFO L87 Difference]: Start difference. First operand has 73 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:20:25,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:25,027 INFO L93 Difference]: Finished difference Result 139 states and 236 transitions. [2023-11-06 22:20:25,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:20:25,030 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2023-11-06 22:20:25,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:25,040 INFO L225 Difference]: With dead ends: 139 [2023-11-06 22:20:25,041 INFO L226 Difference]: Without dead ends: 69 [2023-11-06 22:20:25,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 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 22:20:25,050 INFO L413 NwaCegarLoop]: 104 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, 104 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 22:20:25,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:20:25,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-06 22:20:25,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-06 22:20:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 47 states have internal predecessors, (64), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:20:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2023-11-06 22:20:25,108 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 133 [2023-11-06 22:20:25,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:25,109 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2023-11-06 22:20:25,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:20:25,110 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2023-11-06 22:20:25,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-06 22:20:25,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:25,114 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:25,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:20:25,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:20:25,320 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:25,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:25,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1283197120, now seen corresponding path program 1 times [2023-11-06 22:20:25,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:25,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051284680] [2023-11-06 22:20:25,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:25,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:25,405 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:20:25,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1531786740] [2023-11-06 22:20:25,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:25,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:25,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:25,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:25,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:20:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:25,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:20:25,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 267 proven. 45 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2023-11-06 22:20:25,774 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:20:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-06 22:20:25,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:20:25,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051284680] [2023-11-06 22:20:25,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:20:25,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531786740] [2023-11-06 22:20:25,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531786740] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:20:25,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:20:25,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 22:20:26,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65691812] [2023-11-06 22:20:26,000 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:20:26,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:20:26,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:20:26,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:20:26,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:20:26,004 INFO L87 Difference]: Start difference. First operand 69 states and 104 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-06 22:20:26,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:26,201 INFO L93 Difference]: Finished difference Result 141 states and 210 transitions. [2023-11-06 22:20:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:20:26,202 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 133 [2023-11-06 22:20:26,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:26,205 INFO L225 Difference]: With dead ends: 141 [2023-11-06 22:20:26,205 INFO L226 Difference]: Without dead ends: 75 [2023-11-06 22:20:26,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:20:26,208 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 103 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:26,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 167 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:20:26,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-06 22:20:26,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2023-11-06 22:20:26,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 50 states have (on average 1.3) internal successors, (65), 50 states have internal predecessors, (65), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:20:26,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 105 transitions. [2023-11-06 22:20:26,228 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 105 transitions. Word has length 133 [2023-11-06 22:20:26,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:26,229 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 105 transitions. [2023-11-06 22:20:26,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-06 22:20:26,229 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2023-11-06 22:20:26,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:20:26,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:26,232 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:26,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:20:26,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:26,438 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:26,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:26,439 INFO L85 PathProgramCache]: Analyzing trace with hash 575046638, now seen corresponding path program 1 times [2023-11-06 22:20:26,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:26,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363301610] [2023-11-06 22:20:26,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:26,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:26,505 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:20:26,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1616485093] [2023-11-06 22:20:26,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:26,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:26,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:26,517 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:26,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:20:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:26,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:20:26,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:26,721 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-06 22:20:26,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:26,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:20:26,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363301610] [2023-11-06 22:20:26,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:20:26,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616485093] [2023-11-06 22:20:26,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616485093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:26,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:26,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:20:26,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148867218] [2023-11-06 22:20:26,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:26,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:20:26,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:20:26,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:20:26,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:20:26,726 INFO L87 Difference]: Start difference. First operand 73 states and 105 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:20:27,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:27,066 INFO L93 Difference]: Finished difference Result 151 states and 214 transitions. [2023-11-06 22:20:27,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:20:27,067 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2023-11-06 22:20:27,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:27,071 INFO L225 Difference]: With dead ends: 151 [2023-11-06 22:20:27,071 INFO L226 Difference]: Without dead ends: 81 [2023-11-06 22:20:27,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:20:27,074 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 123 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:27,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 180 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:20:27,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-06 22:20:27,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2023-11-06 22:20:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 53 states have internal predecessors, (66), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:20:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2023-11-06 22:20:27,094 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 134 [2023-11-06 22:20:27,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:27,095 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2023-11-06 22:20:27,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:20:27,096 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2023-11-06 22:20:27,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:20:27,099 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:27,099 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:27,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-06 22:20:27,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:27,306 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:27,306 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:27,306 INFO L85 PathProgramCache]: Analyzing trace with hash 182019628, now seen corresponding path program 1 times [2023-11-06 22:20:27,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:27,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830419739] [2023-11-06 22:20:27,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:27,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:27,361 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:20:27,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [800054116] [2023-11-06 22:20:27,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:27,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:27,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:27,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:27,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:20:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:27,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:20:27,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:20:28,862 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:28,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:20:28,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830419739] [2023-11-06 22:20:28,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:20:28,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800054116] [2023-11-06 22:20:28,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800054116] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:28,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:28,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:20:28,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014893382] [2023-11-06 22:20:28,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:28,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:20:28,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:20:28,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:20:28,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:20:28,868 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:20:28,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:28,964 INFO L93 Difference]: Finished difference Result 214 states and 294 transitions. [2023-11-06 22:20:28,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:20:28,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2023-11-06 22:20:28,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:28,980 INFO L225 Difference]: With dead ends: 214 [2023-11-06 22:20:28,980 INFO L226 Difference]: Without dead ends: 140 [2023-11-06 22:20:28,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:20:28,988 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 81 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:28,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 412 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:20:28,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-06 22:20:29,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 80. [2023-11-06 22:20:29,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 56 states have internal predecessors, (69), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:20:29,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2023-11-06 22:20:29,024 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 134 [2023-11-06 22:20:29,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:29,025 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2023-11-06 22:20:29,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:20:29,026 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2023-11-06 22:20:29,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:20:29,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:29,030 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:29,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:20:29,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:29,237 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:29,237 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:29,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1050130644, now seen corresponding path program 1 times [2023-11-06 22:20:29,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:29,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663605] [2023-11-06 22:20:29,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:29,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:29,302 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:20:29,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730416017] [2023-11-06 22:20:29,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:29,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:29,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:29,307 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:29,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:20:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:29,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:20:29,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:29,643 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 267 proven. 45 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2023-11-06 22:20:29,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:20:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-06 22:20:29,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:20:29,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663605] [2023-11-06 22:20:29,843 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:20:29,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730416017] [2023-11-06 22:20:29,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730416017] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:20:29,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:20:29,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-06 22:20:29,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989467918] [2023-11-06 22:20:29,845 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:20:29,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:20:29,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:20:29,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:20:29,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:20:29,857 INFO L87 Difference]: Start difference. First operand 80 states and 109 transitions. Second operand has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-06 22:20:30,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:30,159 INFO L93 Difference]: Finished difference Result 170 states and 230 transitions. [2023-11-06 22:20:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:20:30,161 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 134 [2023-11-06 22:20:30,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:30,163 INFO L225 Difference]: With dead ends: 170 [2023-11-06 22:20:30,163 INFO L226 Difference]: Without dead ends: 93 [2023-11-06 22:20:30,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:20:30,166 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 119 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:30,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 355 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:20:30,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-06 22:20:30,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 82. [2023-11-06 22:20:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:20:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 111 transitions. [2023-11-06 22:20:30,201 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 111 transitions. Word has length 134 [2023-11-06 22:20:30,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:30,202 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 111 transitions. [2023-11-06 22:20:30,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2023-11-06 22:20:30,203 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 111 transitions. [2023-11-06 22:20:30,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:20:30,205 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:30,206 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:30,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-06 22:20:30,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:30,412 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:30,412 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:30,413 INFO L85 PathProgramCache]: Analyzing trace with hash -791965206, now seen corresponding path program 1 times [2023-11-06 22:20:30,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:30,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318509860] [2023-11-06 22:20:30,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:30,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:30,466 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:20:30,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [758896121] [2023-11-06 22:20:30,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:30,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:30,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:30,468 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:30,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:20:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:20:30,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:20:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:20:30,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:20:30,894 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:20:30,896 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:20:30,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:20:31,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:20:31,114 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 22:20:31,118 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:20:31,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:20:31 BoogieIcfgContainer [2023-11-06 22:20:31,240 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:20:31,240 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:20:31,241 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:20:31,241 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:20:31,241 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:24" (3/4) ... [2023-11-06 22:20:31,243 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:20:31,245 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:20:31,245 INFO L158 Benchmark]: Toolchain (without parser) took 8448.31ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 112.4MB in the beginning and 119.6MB in the end (delta: -7.2MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2023-11-06 22:20:31,246 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 159.4MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:20:31,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.84ms. Allocated memory is still 159.4MB. Free memory was 111.9MB in the beginning and 99.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:20:31,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.33ms. Allocated memory is still 159.4MB. Free memory was 99.1MB in the beginning and 96.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:20:31,247 INFO L158 Benchmark]: Boogie Preprocessor took 66.59ms. Allocated memory is still 159.4MB. Free memory was 96.4MB in the beginning and 94.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:20:31,247 INFO L158 Benchmark]: RCFGBuilder took 812.59ms. Allocated memory is still 159.4MB. Free memory was 94.8MB in the beginning and 76.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:20:31,248 INFO L158 Benchmark]: TraceAbstraction took 7111.03ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 74.9MB in the beginning and 119.6MB in the end (delta: -44.7MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-06 22:20:31,248 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 232.8MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:20:31,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 159.4MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.84ms. Allocated memory is still 159.4MB. Free memory was 111.9MB in the beginning and 99.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.33ms. Allocated memory is still 159.4MB. Free memory was 99.1MB in the beginning and 96.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.59ms. Allocated memory is still 159.4MB. Free memory was 96.4MB in the beginning and 94.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 812.59ms. Allocated memory is still 159.4MB. Free memory was 94.8MB in the beginning and 76.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7111.03ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 74.9MB in the beginning and 119.6MB in the end (delta: -44.7MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 232.8MB. Free memory is still 119.6MB. 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 someBinaryFLOATComparisonOperation at line 108. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] float var_1_2 = 4.5; [L24] float var_1_3 = 64.8; [L25] float var_1_4 = 64.4; [L26] float var_1_5 = 0.2; [L27] signed short int var_1_7 = 10000; [L28] signed short int var_1_8 = 1; [L29] signed short int var_1_9 = 50; [L30] signed short int var_1_10 = 8; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 100; [L33] unsigned short int var_1_15 = 128; [L34] unsigned short int var_1_16 = 23647; [L35] unsigned short int var_1_17 = 32; [L36] signed char var_1_18 = 0; [L37] signed char var_1_19 = -50; [L38] unsigned char var_1_20 = 0; [L39] unsigned char var_1_21 = 0; VAL [isInitial=0, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=9/2, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] FCALL updateLastVariables() [L116] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L73] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=324/5, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L74] var_1_3 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L75] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=322/5, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L76] var_1_4 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L77] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=1/5, var_1_7=10000, var_1_8=1, var_1_9=50] [L78] var_1_5 = __VERIFIER_nondet_float() [L79] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=10000, var_1_8=1, var_1_9=50] [L79] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=10000, var_1_8=1, var_1_9=50] [L80] var_1_7 = __VERIFIER_nondet_short() [L81] CALL assume_abort_if_not(var_1_7 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=1, var_1_9=50] [L81] RET assume_abort_if_not(var_1_7 >= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=1, var_1_9=50] [L82] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=1, var_1_9=50] [L82] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=1, var_1_9=50] [L83] var_1_8 = __VERIFIER_nondet_short() [L84] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=50] [L84] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=50] [L85] CALL assume_abort_if_not(var_1_8 <= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=50] [L85] RET assume_abort_if_not(var_1_8 <= 8192) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=50] [L86] var_1_9 = __VERIFIER_nondet_short() [L87] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L87] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_9 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L88] RET assume_abort_if_not(var_1_9 <= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L89] var_1_10 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L90] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L91] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L92] var_1_14 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L94] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L95] var_1_16 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L96] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L97] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L98] var_1_19 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L99] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L100] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L101] var_1_21 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L102] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L103] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L116] RET updateVariables() [L117] CALL step() [L43] var_1_18 = var_1_19 [L44] var_1_20 = var_1_21 [L45] signed char stepLocal_1 = var_1_18; [L46] signed long int stepLocal_0 = var_1_9 / var_1_7; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L47] EXPR var_1_8 << var_1_10 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8 << var_1_10=0, var_1_8=0, var_1_9=1] [L47] COND FALSE !(stepLocal_1 > (var_1_8 << var_1_10)) [L54] EXPR var_1_7 ^ var_1_18 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7 ^ var_1_18=16383, var_1_7=16383, var_1_8=0, var_1_9=1] [L54] signed long int stepLocal_2 = var_1_7 ^ var_1_18; [L55] COND FALSE !(var_1_14 >= stepLocal_2) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=16383, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L58] COND TRUE var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5)))) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=16383, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L59] COND FALSE !(\read(var_1_20)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=16383, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L69] var_1_17 = var_1_1 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=16383, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR ((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1) VAL [((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)=0, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L108] EXPR (((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1) VAL [(((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1)=0, ((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)=0, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L108-L109] return ((((((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1)) && (var_1_17 == ((unsigned short int) var_1_1))) && (var_1_18 == ((signed char) var_1_19))) && (var_1_20 == ((unsigned char) var_1_21)) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=32766, var_1_13=2, var_1_14=0, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_7=16383, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 6, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 436 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 426 mSDsluCounter, 1218 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 737 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 541 IncrementalHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 481 mSDtfsCounter, 541 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 947 GetRequests, 907 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=5, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 77 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 935 NumberOfCodeBlocks, 935 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 928 ConstructedInterpolants, 0 QuantifiedInterpolants, 1516 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1603 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 5140/5320 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 22:20:31,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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 13083d95d661542b4d69cfedb32ccc83a061059041df5cc86775c87ade99f3f0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:20:34,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:20:34,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:20:34,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:20:34,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:20:34,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:20:34,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:20:34,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:20:34,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:20:34,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:20:34,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:20:34,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:20:34,340 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:20:34,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:20:34,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:20:34,343 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:20:34,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:20:34,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:20:34,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:20:34,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:20:34,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:20:34,347 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:20:34,347 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:20:34,348 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:20:34,348 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:20:34,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:20:34,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:20:34,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:20:34,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:20:34,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:20:34,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:34,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:20:34,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:20:34,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:20:34,353 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:20:34,353 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:20:34,353 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:20:34,354 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:20:34,354 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:20:34,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:20:34,355 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:20:34,356 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:20:34,356 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_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13083d95d661542b4d69cfedb32ccc83a061059041df5cc86775c87ade99f3f0 [2023-11-06 22:20:34,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:20:34,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:20:34,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:20:34,786 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:20:34,786 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:20:34,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i [2023-11-06 22:20:38,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:20:38,767 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:20:38,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i [2023-11-06 22:20:38,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/data/08ee1fc8b/637b38f102a34c7b9da88ad3ded6d5d9/FLAG1a3c907f4 [2023-11-06 22:20:38,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/data/08ee1fc8b/637b38f102a34c7b9da88ad3ded6d5d9 [2023-11-06 22:20:38,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:20:38,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:20:38,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:38,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:20:38,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:20:38,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:38" (1/1) ... [2023-11-06 22:20:38,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c92998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:38, skipping insertion in model container [2023-11-06 22:20:38,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:38" (1/1) ... [2023-11-06 22:20:38,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:20:39,040 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_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i[917,930] [2023-11-06 22:20:39,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:39,146 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:20:39,163 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_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-43.i[917,930] [2023-11-06 22:20:39,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:39,232 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:20:39,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:39 WrapperNode [2023-11-06 22:20:39,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:39,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:39,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:20:39,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:20:39,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:39" (1/1) ... [2023-11-06 22:20:39,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:39" (1/1) ... [2023-11-06 22:20:39,313 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2023-11-06 22:20:39,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:39,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:20:39,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:20:39,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:20:39,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:39" (1/1) ... [2023-11-06 22:20:39,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:39" (1/1) ... [2023-11-06 22:20:39,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:39" (1/1) ... [2023-11-06 22:20:39,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:39" (1/1) ... [2023-11-06 22:20:39,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:39" (1/1) ... [2023-11-06 22:20:39,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:39" (1/1) ... [2023-11-06 22:20:39,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:39" (1/1) ... [2023-11-06 22:20:39,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:39" (1/1) ... [2023-11-06 22:20:39,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:20:39,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:20:39,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:20:39,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:20:39,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:39" (1/1) ... [2023-11-06 22:20:39,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:39,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:39,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:20:39,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:20:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:20:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:20:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:20:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:20:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:20:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:20:39,567 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:20:39,568 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:20:40,108 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:20:40,117 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:20:40,117 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:20:40,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:40 BoogieIcfgContainer [2023-11-06 22:20:40,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:20:40,122 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:20:40,122 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:20:40,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:20:40,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:20:38" (1/3) ... [2023-11-06 22:20:40,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ecf5c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:40, skipping insertion in model container [2023-11-06 22:20:40,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:39" (2/3) ... [2023-11-06 22:20:40,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ecf5c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:40, skipping insertion in model container [2023-11-06 22:20:40,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:40" (3/3) ... [2023-11-06 22:20:40,130 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-43.i [2023-11-06 22:20:40,152 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:20:40,152 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:20:40,226 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:20:40,233 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;@606eded, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:20:40,234 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:20:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:20:40,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-06 22:20:40,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:40,258 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:40,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:40,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:40,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1571513004, now seen corresponding path program 1 times [2023-11-06 22:20:40,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:20:40,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379543295] [2023-11-06 22:20:40,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:40,278 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 22:20:40,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:20:40,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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 22:20:40,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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 22:20:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:40,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:20:40,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:40,938 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-06 22:20:40,938 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:40,939 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:20:40,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379543295] [2023-11-06 22:20:40,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379543295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:40,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:40,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:20:40,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962398580] [2023-11-06 22:20:40,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:40,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:20:40,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:20:40,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:20:40,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:20:40,998 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:20:41,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:41,645 INFO L93 Difference]: Finished difference Result 119 states and 198 transitions. [2023-11-06 22:20:41,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:20:41,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 127 [2023-11-06 22:20:41,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:41,665 INFO L225 Difference]: With dead ends: 119 [2023-11-06 22:20:41,666 INFO L226 Difference]: Without dead ends: 63 [2023-11-06 22:20:41,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:20:41,675 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 82 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:41,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 116 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:20:41,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-06 22:20:41,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2023-11-06 22:20:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:20:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2023-11-06 22:20:41,753 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 127 [2023-11-06 22:20:41,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:41,757 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2023-11-06 22:20:41,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:20:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2023-11-06 22:20:41,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-06 22:20:41,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:41,772 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:41,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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 22:20:41,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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 22:20:41,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:41,993 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:41,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1514254702, now seen corresponding path program 1 times [2023-11-06 22:20:41,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:20:41,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310444487] [2023-11-06 22:20:41,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:41,995 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 22:20:41,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:20:41,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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 22:20:41,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8c4407-e8cd-40c2-929d-bc2fe7c56900/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 22:20:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:42,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-06 22:20:42,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:23,620 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 348 proven. 108 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-11-06 22:22:23,621 INFO L327 TraceCheckSpWp]: Computing backward predicates...