./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-27.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_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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 1e456843fdfee792acdec70f65283e9873fff45c66d78486fccbf0101dfc4a7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:07:26,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:07:26,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:07:26,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:07:26,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:07:26,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:07:26,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:07:26,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:07:26,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:07:26,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:07:26,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:07:26,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:07:26,693 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:07:26,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:07:26,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:07:26,695 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:07:26,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:07:26,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:07:26,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:07:26,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:07:26,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:07:26,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:07:26,702 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:07:26,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:07:26,703 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:07:26,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:07:26,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:07:26,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:07:26,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:26,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:07:26,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:07:26,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:07:26,707 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:07:26,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:07:26,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:07:26,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:07:26,708 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:07:26,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:07:26,709 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:07:26,709 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_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e456843fdfee792acdec70f65283e9873fff45c66d78486fccbf0101dfc4a7f [2023-11-06 22:07:27,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:07:27,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:07:27,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:07:27,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:07:27,089 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:07:27,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-27.i [2023-11-06 22:07:30,188 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:07:30,480 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:07:30,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-27.i [2023-11-06 22:07:30,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/data/1ffbdcb8c/b88cd9120911454da44757bd979e13de/FLAG7b9568285 [2023-11-06 22:07:30,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/data/1ffbdcb8c/b88cd9120911454da44757bd979e13de [2023-11-06 22:07:30,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:07:30,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:07:30,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:30,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:07:30,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:07:30,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:30,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0270ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30, skipping insertion in model container [2023-11-06 22:07:30,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:30,574 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:07:30,774 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_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-27.i[917,930] [2023-11-06 22:07:30,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:30,843 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:07:30,856 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_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-27.i[917,930] [2023-11-06 22:07:30,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:30,906 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:07:30,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30 WrapperNode [2023-11-06 22:07:30,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:30,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:30,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:07:30,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:07:30,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:30,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:30,989 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 161 [2023-11-06 22:07:31,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:31,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:07:31,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:07:31,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:07:31,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:07:31,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:07:31,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:07:31,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:07:31,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:31,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:31,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:07:31,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:07:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:07:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:07:31,149 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:07:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:07:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:07:31,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:07:31,238 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:07:31,241 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:07:31,679 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:07:31,692 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:07:31,692 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:07:31,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:31 BoogieIcfgContainer [2023-11-06 22:07:31,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:07:31,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:07:31,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:07:31,701 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:07:31,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:07:30" (1/3) ... [2023-11-06 22:07:31,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3892bb59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:31, skipping insertion in model container [2023-11-06 22:07:31,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (2/3) ... [2023-11-06 22:07:31,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3892bb59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:31, skipping insertion in model container [2023-11-06 22:07:31,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:31" (3/3) ... [2023-11-06 22:07:31,705 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-27.i [2023-11-06 22:07:31,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:07:31,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:07:31,808 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:07:31,814 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;@4006a654, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:07:31,814 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:07:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:07:31,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:07:31,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:31,835 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:31,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:31,840 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:31,841 INFO L85 PathProgramCache]: Analyzing trace with hash 309635680, now seen corresponding path program 1 times [2023-11-06 22:07:31,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:31,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561774489] [2023-11-06 22:07:31,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:31,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:07:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:07:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:07:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:07:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:07:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:07:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:07:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:07:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:07:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:07:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:07:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:07:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 22:07:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:07:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:07:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:07:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 22:07:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:07:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-06 22:07:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:07:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-06 22:07:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:07:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 22:07:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-06 22:07:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:07:32,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:32,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561774489] [2023-11-06 22:07:32,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561774489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:32,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:32,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:07:32,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896254679] [2023-11-06 22:07:32,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:32,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:07:32,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:32,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:07:32,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:07:32,469 INFO L87 Difference]: Start difference. First operand has 73 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:07:32,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:32,518 INFO L93 Difference]: Finished difference Result 139 states and 242 transitions. [2023-11-06 22:07:32,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:07:32,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 152 [2023-11-06 22:07:32,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:32,536 INFO L225 Difference]: With dead ends: 139 [2023-11-06 22:07:32,536 INFO L226 Difference]: Without dead ends: 69 [2023-11-06 22:07:32,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:07:32,547 INFO L413 NwaCegarLoop]: 105 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, 105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:32,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:07:32,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-06 22:07:32,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-06 22:07:32,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:07:32,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 105 transitions. [2023-11-06 22:07:32,608 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 105 transitions. Word has length 152 [2023-11-06 22:07:32,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:32,613 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 105 transitions. [2023-11-06 22:07:32,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:07:32,614 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 105 transitions. [2023-11-06 22:07:32,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:07:32,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:32,621 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:32,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:07:32,622 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:32,622 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:32,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1906990744, now seen corresponding path program 1 times [2023-11-06 22:07:32,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:32,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305830743] [2023-11-06 22:07:32,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:32,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:07:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:07:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:07:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:07:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:07:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:07:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:07:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:07:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:07:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:07:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:07:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:07:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 22:07:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:07:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:07:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:07:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 22:07:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:07:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:32,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-06 22:07:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:07:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-06 22:07:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:07:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 22:07:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-06 22:07:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:07:33,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:33,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305830743] [2023-11-06 22:07:33,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305830743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:33,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:33,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:07:33,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980381744] [2023-11-06 22:07:33,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:33,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:07:33,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:33,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:07:33,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:33,037 INFO L87 Difference]: Start difference. First operand 69 states and 105 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:07:33,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:33,090 INFO L93 Difference]: Finished difference Result 155 states and 236 transitions. [2023-11-06 22:07:33,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:07:33,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 152 [2023-11-06 22:07:33,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:33,095 INFO L225 Difference]: With dead ends: 155 [2023-11-06 22:07:33,095 INFO L226 Difference]: Without dead ends: 89 [2023-11-06 22:07:33,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:33,098 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 29 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:33,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 187 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:07:33,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-06 22:07:33,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 76. [2023-11-06 22:07:33,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.4) internal successors, (70), 50 states have internal predecessors, (70), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:07:33,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 118 transitions. [2023-11-06 22:07:33,113 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 118 transitions. Word has length 152 [2023-11-06 22:07:33,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:33,115 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 118 transitions. [2023-11-06 22:07:33,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:07:33,116 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2023-11-06 22:07:33,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:07:33,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:33,120 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:33,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:07:33,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:33,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:33,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1475546479, now seen corresponding path program 1 times [2023-11-06 22:07:33,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:33,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911885857] [2023-11-06 22:07:33,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:33,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:07:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:07:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:07:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:07:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:07:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:07:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:07:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:07:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:07:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:07:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:07:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:07:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 22:07:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:07:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:07:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:07:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 22:07:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:07:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-06 22:07:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:07:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-06 22:07:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:07:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 22:07:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-06 22:07:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:07:33,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:33,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911885857] [2023-11-06 22:07:33,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911885857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:33,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:33,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:07:33,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947569120] [2023-11-06 22:07:33,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:33,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:07:33,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:33,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:07:33,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:07:33,959 INFO L87 Difference]: Start difference. First operand 76 states and 118 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:07:34,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:34,084 INFO L93 Difference]: Finished difference Result 170 states and 263 transitions. [2023-11-06 22:07:34,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:07:34,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 153 [2023-11-06 22:07:34,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:34,096 INFO L225 Difference]: With dead ends: 170 [2023-11-06 22:07:34,101 INFO L226 Difference]: Without dead ends: 97 [2023-11-06 22:07:34,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 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 22:07:34,109 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 64 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:34,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 280 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:07:34,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-06 22:07:34,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 84. [2023-11-06 22:07:34,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 58 states have internal predecessors, (84), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:07:34,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 132 transitions. [2023-11-06 22:07:34,130 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 132 transitions. Word has length 153 [2023-11-06 22:07:34,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:34,132 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 132 transitions. [2023-11-06 22:07:34,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:07:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 132 transitions. [2023-11-06 22:07:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:07:34,141 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:34,141 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:34,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:07:34,142 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:34,142 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:34,146 INFO L85 PathProgramCache]: Analyzing trace with hash -216770544, now seen corresponding path program 1 times [2023-11-06 22:07:34,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:34,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965254959] [2023-11-06 22:07:34,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:34,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:07:34,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:07:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:07:34,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:07:34,618 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:07:34,619 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:07:34,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:07:34,624 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:07:34,629 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:07:34,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:07:34 BoogieIcfgContainer [2023-11-06 22:07:34,785 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:07:34,786 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:07:34,786 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:07:34,787 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:07:34,787 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:31" (3/4) ... [2023-11-06 22:07:34,790 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:07:34,791 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:07:34,792 INFO L158 Benchmark]: Toolchain (without parser) took 4271.33ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 89.6MB in the beginning and 44.6MB in the end (delta: 45.0MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2023-11-06 22:07:34,792 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 127.9MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:34,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.92ms. Allocated memory is still 127.9MB. Free memory was 89.3MB in the beginning and 75.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:07:34,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.50ms. Allocated memory is still 127.9MB. Free memory was 75.7MB in the beginning and 73.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:34,798 INFO L158 Benchmark]: Boogie Preprocessor took 51.28ms. Allocated memory is still 127.9MB. Free memory was 73.0MB in the beginning and 71.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:34,800 INFO L158 Benchmark]: RCFGBuilder took 640.24ms. Allocated memory is still 127.9MB. Free memory was 71.2MB in the beginning and 97.4MB in the end (delta: -26.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-06 22:07:34,801 INFO L158 Benchmark]: TraceAbstraction took 3088.46ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 96.7MB in the beginning and 44.6MB in the end (delta: 52.1MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2023-11-06 22:07:34,801 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 159.4MB. Free memory is still 44.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:34,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 127.9MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.92ms. Allocated memory is still 127.9MB. Free memory was 89.3MB in the beginning and 75.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.50ms. Allocated memory is still 127.9MB. Free memory was 75.7MB in the beginning and 73.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.28ms. Allocated memory is still 127.9MB. Free memory was 73.0MB in the beginning and 71.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 640.24ms. Allocated memory is still 127.9MB. Free memory was 71.2MB in the beginning and 97.4MB in the end (delta: -26.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3088.46ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 96.7MB in the beginning and 44.6MB in the end (delta: 52.1MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 159.4MB. Free memory is still 44.6MB. 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 133, overapproximation of someBinaryArithmeticFLOAToperation at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.9; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 31.5; [L26] float var_1_5 = 25.4; [L27] float var_1_6 = 9.5; [L28] float var_1_7 = 63.2; [L29] unsigned long int var_1_8 = 1; [L30] unsigned long int var_1_9 = 128; [L31] signed short int var_1_10 = -50; [L32] unsigned long int var_1_11 = 8; [L33] unsigned char var_1_12 = 32; [L34] float var_1_13 = 15.625; [L35] unsigned char var_1_14 = 1; [L36] unsigned char var_1_15 = 0; [L37] unsigned char var_1_16 = 1; [L38] unsigned char var_1_17 = 1; [L39] unsigned long int var_1_18 = 128; [L40] unsigned char var_1_19 = 0; [L41] unsigned char var_1_20 = 8; [L42] unsigned short int var_1_21 = 16; [L43] unsigned short int var_1_22 = 128; VAL [isInitial=0, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=0, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] FCALL updateLastVariables() [L141] CALL updateVariables() [L91] var_1_2 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L92] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L93] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L93] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L94] var_1_3 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L95] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L96] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L96] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L97] var_1_4 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L98] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L99] var_1_5 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L100] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=19/2, var_1_7=316/5, var_1_8=1, var_1_9=128] [L101] var_1_6 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=316/5, var_1_8=1, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=316/5, var_1_8=1, var_1_9=128] [L102] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=316/5, var_1_8=1, var_1_9=128] [L103] var_1_7 = __VERIFIER_nondet_float() [L104] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=128] [L104] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=128] [L105] var_1_9 = __VERIFIER_nondet_ulong() [L106] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L106] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L107] CALL assume_abort_if_not(var_1_9 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L107] RET assume_abort_if_not(var_1_9 <= 4294967294) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L108] var_1_11 = __VERIFIER_nondet_ulong() [L109] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L109] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L110] CALL assume_abort_if_not(var_1_11 <= 33) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L110] RET assume_abort_if_not(var_1_11 <= 33) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L111] var_1_13 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L112] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L113] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L113] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L114] var_1_15 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L115] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L116] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L116] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L117] var_1_16 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L118] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L119] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L119] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L120] var_1_17 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L121] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L122] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L122] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=128, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L123] var_1_18 = __VERIFIER_nondet_ulong() [L124] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L124] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L125] CALL assume_abort_if_not(var_1_18 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L125] RET assume_abort_if_not(var_1_18 <= 4294967295) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L126] var_1_19 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L127] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L128] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L128] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L141] RET updateVariables() [L142] CALL step() [L47] unsigned char stepLocal_1 = var_1_3; [L48] unsigned char stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L49] COND TRUE var_1_2 || stepLocal_1 VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L50] COND TRUE var_1_2 || stepLocal_0 [L51] var_1_1 = (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=1, var_1_9=2147483648] [L58] COND FALSE !(var_1_6 > (- var_1_7)) [L63] var_1_8 = var_1_9 VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=2147483648, var_1_9=2147483648] [L65] EXPR 2u >> var_1_11 VAL [2u >> var_1_11=2, isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=-50, var_1_11=0, var_1_12=32, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=2147483648, var_1_9=2147483648] [L65] COND FALSE !((var_1_9 + var_1_8) > (2u >> var_1_11)) [L72] COND TRUE var_1_6 == (var_1_4 / var_1_13) [L73] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=-50, var_1_11=0, var_1_12=0, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=2147483648, var_1_9=2147483648] [L75] COND FALSE !(! var_1_2) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=-50, var_1_11=0, var_1_12=0, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_20=8, var_1_21=16, var_1_22=128, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=2147483648, var_1_9=2147483648] [L86] var_1_20 = var_1_11 [L87] var_1_21 = 8 [L88] var_1_22 = var_1_12 VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=-50, var_1_11=0, var_1_12=0, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_20=0, var_1_21=8, var_1_22=0, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=2147483648, var_1_9=2147483648] [L142] RET step() [L143] CALL, EXPR property() [L133] EXPR (((var_1_2 || var_1_3) ? ((var_1_2 || var_1_3) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_9)))) && (((var_1_9 + var_1_8) > (2u >> var_1_11)) ? ((var_1_8 != var_1_9) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1) VAL [(((var_1_2 || var_1_3) ? ((var_1_2 || var_1_3) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_9)))) && (((var_1_9 + var_1_8) > (2u >> var_1_11)) ? ((var_1_8 != var_1_9) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1)=0, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=0, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_20=0, var_1_21=8, var_1_22=0, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=2147483648, var_1_9=2147483648] [L133-L134] return ((((((((var_1_2 || var_1_3) ? ((var_1_2 || var_1_3) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_9)))) && (((var_1_9 + var_1_8) > (2u >> var_1_11)) ? ((var_1_8 != var_1_9) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1)) && ((var_1_6 == (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned char) var_1_11)) : 1)) && ((! var_1_2) ? ((var_1_2 || var_1_3) ? (var_1_14 == ((unsigned char) ((! (! var_1_15)) && (var_1_16 && var_1_17)))) : ((((((var_1_9) > (var_1_12)) ? (var_1_9) : (var_1_12))) >= var_1_18) ? (var_1_14 == ((unsigned char) (var_1_2 || var_1_16))) : (var_1_14 == ((unsigned char) (! var_1_19))))) : 1)) && (var_1_20 == ((unsigned char) var_1_11))) && (var_1_21 == ((unsigned short int) 8))) && (var_1_22 == ((unsigned short int) var_1_12)) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=0, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_20=0, var_1_21=8, var_1_22=0, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=2147483648, var_1_9=2147483648] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-50, var_1_11=0, var_1_12=0, var_1_13=4294967302, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=2147483648, var_1_19=0, var_1_20=0, var_1_21=8, var_1_22=0, var_1_2=1, var_1_3=1, var_1_4=4294967305, var_1_5=4294967303, var_1_6=4294967304, var_1_7=4294967301, var_1_8=2147483648, var_1_9=2147483648] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 572 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 259 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 313 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=3, InterpolantAutomatonStates: 10, 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, 3 MinimizatonAttempts, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 610 NumberOfCodeBlocks, 610 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 454 ConstructedInterpolants, 0 QuantifiedInterpolants, 570 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3312/3312 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:07:34,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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 1e456843fdfee792acdec70f65283e9873fff45c66d78486fccbf0101dfc4a7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:07:37,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:07:37,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:07:37,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:07:37,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:07:37,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:07:37,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:07:37,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:07:37,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:07:37,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:07:37,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:07:37,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:07:37,646 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:07:37,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:07:37,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:07:37,648 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:07:37,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:07:37,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:07:37,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:07:37,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:07:37,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:07:37,652 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:07:37,652 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:07:37,653 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:07:37,653 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:07:37,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:07:37,654 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:07:37,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:07:37,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:07:37,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:07:37,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:37,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:07:37,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:07:37,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:07:37,658 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:07:37,659 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:07:37,659 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:07:37,659 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:07:37,660 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:07:37,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:07:37,660 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:07:37,661 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:07:37,661 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_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e456843fdfee792acdec70f65283e9873fff45c66d78486fccbf0101dfc4a7f [2023-11-06 22:07:38,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:07:38,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:07:38,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:07:38,108 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:07:38,108 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:07:38,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-27.i [2023-11-06 22:07:41,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:07:41,838 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:07:41,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-27.i [2023-11-06 22:07:41,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/data/30d4c48ad/a3c7ccbcf4c84519b4645b9ac22f81e1/FLAG887fc8963 [2023-11-06 22:07:41,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/data/30d4c48ad/a3c7ccbcf4c84519b4645b9ac22f81e1 [2023-11-06 22:07:41,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:07:41,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:07:41,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:41,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:07:41,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:07:41,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:41" (1/1) ... [2023-11-06 22:07:41,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c04f739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:41, skipping insertion in model container [2023-11-06 22:07:41,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:41" (1/1) ... [2023-11-06 22:07:41,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:07:42,077 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_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-27.i[917,930] [2023-11-06 22:07:42,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:42,166 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:07:42,185 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_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-27.i[917,930] [2023-11-06 22:07:42,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:42,282 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:07:42,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:42 WrapperNode [2023-11-06 22:07:42,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:42,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:42,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:07:42,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:07:42,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:42" (1/1) ... [2023-11-06 22:07:42,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:42" (1/1) ... [2023-11-06 22:07:42,357 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-06 22:07:42,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:42,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:07:42,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:07:42,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:07:42,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:42" (1/1) ... [2023-11-06 22:07:42,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:42" (1/1) ... [2023-11-06 22:07:42,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:42" (1/1) ... [2023-11-06 22:07:42,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:42" (1/1) ... [2023-11-06 22:07:42,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:42" (1/1) ... [2023-11-06 22:07:42,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:42" (1/1) ... [2023-11-06 22:07:42,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:42" (1/1) ... [2023-11-06 22:07:42,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:42" (1/1) ... [2023-11-06 22:07:42,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:07:42,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:07:42,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:07:42,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:07:42,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:42" (1/1) ... [2023-11-06 22:07:42,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:42,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:42,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:07:42,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:07:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:07:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:07:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:07:42,536 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:07:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:07:42,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:07:42,679 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:07:42,681 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:07:47,196 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:07:47,209 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:07:47,210 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:07:47,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:47 BoogieIcfgContainer [2023-11-06 22:07:47,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:07:47,218 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:07:47,218 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:07:47,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:07:47,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:07:41" (1/3) ... [2023-11-06 22:07:47,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4822cd97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:47, skipping insertion in model container [2023-11-06 22:07:47,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:42" (2/3) ... [2023-11-06 22:07:47,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4822cd97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:47, skipping insertion in model container [2023-11-06 22:07:47,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:47" (3/3) ... [2023-11-06 22:07:47,229 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-27.i [2023-11-06 22:07:47,247 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:07:47,248 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:07:47,300 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:07:47,307 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;@384f3599, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:07:47,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:07:47,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:07:47,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-06 22:07:47,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:47,336 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:47,339 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:47,348 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:47,348 INFO L85 PathProgramCache]: Analyzing trace with hash 184450689, now seen corresponding path program 1 times [2023-11-06 22:07:47,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:47,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448053539] [2023-11-06 22:07:47,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:47,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:47,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:47,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:07:47,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:07:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:47,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:07:47,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:48,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2023-11-06 22:07:48,067 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:48,068 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:07:48,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448053539] [2023-11-06 22:07:48,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1448053539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:48,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:48,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:07:48,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779764156] [2023-11-06 22:07:48,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:48,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:07:48,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:07:48,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:07:48,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:07:48,132 INFO L87 Difference]: Start difference. First operand has 68 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:07:48,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:48,199 INFO L93 Difference]: Finished difference Result 129 states and 226 transitions. [2023-11-06 22:07:48,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:07:48,202 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 149 [2023-11-06 22:07:48,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:48,210 INFO L225 Difference]: With dead ends: 129 [2023-11-06 22:07:48,210 INFO L226 Difference]: Without dead ends: 64 [2023-11-06 22:07:48,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:07:48,219 INFO L413 NwaCegarLoop]: 97 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, 97 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:48,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:07:48,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-06 22:07:48,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-06 22:07:48,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:07:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 97 transitions. [2023-11-06 22:07:48,298 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 97 transitions. Word has length 149 [2023-11-06 22:07:48,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:48,298 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 97 transitions. [2023-11-06 22:07:48,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:07:48,301 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2023-11-06 22:07:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-06 22:07:48,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:48,308 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:48,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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)] Ended with exit code 0 [2023-11-06 22:07:48,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:48,530 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:48,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:48,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1223697529, now seen corresponding path program 1 times [2023-11-06 22:07:48,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:48,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915186596] [2023-11-06 22:07:48,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:48,532 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:48,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:48,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:07:48,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:07:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:49,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:07:49,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:07:49,268 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:49,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:07:49,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915186596] [2023-11-06 22:07:49,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915186596] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:49,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:49,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:07:49,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785234628] [2023-11-06 22:07:49,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:49,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:07:49,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:07:49,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:07:49,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:49,274 INFO L87 Difference]: Start difference. First operand 64 states and 97 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:07:51,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:07:53,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:07:53,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:53,284 INFO L93 Difference]: Finished difference Result 140 states and 212 transitions. [2023-11-06 22:07:53,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:07:53,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 149 [2023-11-06 22:07:53,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:53,335 INFO L225 Difference]: With dead ends: 140 [2023-11-06 22:07:53,335 INFO L226 Difference]: Without dead ends: 79 [2023-11-06 22:07:53,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:53,340 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 22 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:53,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 173 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2023-11-06 22:07:53,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-06 22:07:53,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 70. [2023-11-06 22:07:53,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 44 states have internal predecessors, (60), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:07:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 108 transitions. [2023-11-06 22:07:53,358 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 108 transitions. Word has length 149 [2023-11-06 22:07:53,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:53,361 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 108 transitions. [2023-11-06 22:07:53,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:07:53,361 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2023-11-06 22:07:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:07:53,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:53,365 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:53,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:53,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:53,566 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:53,567 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:53,567 INFO L85 PathProgramCache]: Analyzing trace with hash 281812512, now seen corresponding path program 1 times [2023-11-06 22:07:53,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:53,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031134042] [2023-11-06 22:07:53,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:53,571 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:53,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:53,576 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:07:53,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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 (4)] Waiting until timeout for monitored process [2023-11-06 22:07:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:54,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:07:54,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2023-11-06 22:07:55,043 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:07:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:07:55,295 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:07:55,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031134042] [2023-11-06 22:07:55,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031134042] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:07:55,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:07:55,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2023-11-06 22:07:55,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759295628] [2023-11-06 22:07:55,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:55,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:07:55,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:07:55,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:07:55,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:07:55,304 INFO L87 Difference]: Start difference. First operand 70 states and 108 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:07:57,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:07:59,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:08:00,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:00,061 INFO L93 Difference]: Finished difference Result 160 states and 243 transitions. [2023-11-06 22:08:00,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:08:00,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 150 [2023-11-06 22:08:00,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:00,120 INFO L225 Difference]: With dead ends: 160 [2023-11-06 22:08:00,120 INFO L226 Difference]: Without dead ends: 93 [2023-11-06 22:08:00,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:08:00,123 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 48 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:00,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 321 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2023-11-06 22:08:00,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-06 22:08:00,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2023-11-06 22:08:00,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 61 states have (on average 1.360655737704918) internal successors, (83), 62 states have internal predecessors, (83), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:08:00,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 135 transitions. [2023-11-06 22:08:00,148 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 135 transitions. Word has length 150 [2023-11-06 22:08:00,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:00,150 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 135 transitions. [2023-11-06 22:08:00,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 135 transitions. [2023-11-06 22:08:00,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:08:00,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:00,164 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:08:00,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:00,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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 22:08:00,382 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:00,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:00,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1907830833, now seen corresponding path program 1 times [2023-11-06 22:08:00,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:08:00,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187600140] [2023-11-06 22:08:00,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:00,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:08:00,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:08:00,392 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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 22:08:00,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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 (5)] Waiting until timeout for monitored process [2023-11-06 22:08:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:00,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:08:00,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 512 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2023-11-06 22:08:04,571 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:08:05,226 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:08:05,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187600140] [2023-11-06 22:08:05,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1187600140] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:08:05,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [121758555] [2023-11-06 22:08:05,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:05,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:08:05,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:08:05,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:08:05,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-06 22:08:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:06,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:08:06,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 462 proven. 96 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2023-11-06 22:08:11,580 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:08:17,691 WARN L839 $PredicateComparison]: unable to prove that (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_4~0 ~var_1_13~0)))) is different from false [2023-11-06 22:08:49,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [121758555] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:08:49,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:08:49,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2023-11-06 22:08:49,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922739409] [2023-11-06 22:08:49,801 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:08:49,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:08:49,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:08:49,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:08:49,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=110, Unknown=3, NotChecked=22, Total=182 [2023-11-06 22:08:49,807 INFO L87 Difference]: Start difference. First operand 90 states and 135 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (40), 4 states have call predecessors, (40), 5 states have return successors, (41), 4 states have call predecessors, (41), 4 states have call successors, (41) [2023-11-06 22:08:55,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:08:59,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:09:02,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:09:04,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:09:05,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:09:05,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:05,270 INFO L93 Difference]: Finished difference Result 189 states and 277 transitions. [2023-11-06 22:09:05,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:09:05,321 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (40), 4 states have call predecessors, (40), 5 states have return successors, (41), 4 states have call predecessors, (41), 4 states have call successors, (41) Word has length 150 [2023-11-06 22:09:05,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:05,325 INFO L225 Difference]: With dead ends: 189 [2023-11-06 22:09:05,326 INFO L226 Difference]: Without dead ends: 102 [2023-11-06 22:09:05,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 22.2s TimeCoverageRelationStatistics Valid=101, Invalid=206, Unknown=3, NotChecked=32, Total=342 [2023-11-06 22:09:05,328 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 80 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 28 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:05,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 139 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 157 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2023-11-06 22:09:05,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-06 22:09:05,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2023-11-06 22:09:05,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 68 states have internal predecessors, (86), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:09:05,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 138 transitions. [2023-11-06 22:09:05,354 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 138 transitions. Word has length 150 [2023-11-06 22:09:05,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:05,355 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 138 transitions. [2023-11-06 22:09:05,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (40), 4 states have call predecessors, (40), 5 states have return successors, (41), 4 states have call predecessors, (41), 4 states have call successors, (41) [2023-11-06 22:09:05,355 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 138 transitions. [2023-11-06 22:09:05,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-06 22:09:05,358 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:05,358 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:09:05,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-06 22:09:05,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:09:05,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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 22:09:05,768 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:09:05,769 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:05,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1170866029, now seen corresponding path program 1 times [2023-11-06 22:09:05,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:09:05,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645071546] [2023-11-06 22:09:05,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:05,769 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 22:09:05,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:09:05,770 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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 22:09:05,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc3e6b2-8fd8-4bb9-8026-80b36c660a20/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 (7)] Waiting until timeout for monitored process [2023-11-06 22:09:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:06,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:09:06,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:09:29,735 WARN L293 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:11:11,166 WARN L839 $PredicateComparison]: unable to prove that (and (fp.gt c_~var_1_6~0 (fp.neg c_~var_1_7~0)) (fp.leq c_~var_1_5~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (bvsge ((_ zero_extend 24) c_~var_1_16~0) (_ bv1 32)) (let ((.cse1 (fp.gt c_~var_1_5~0 c_~var_1_6~0)) (.cse0 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_6~0 c_~var_1_7~0)))) (or (and .cse0 (not .cse1)) (and .cse1 (let ((.cse4 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (let ((.cse2 (fp.gt c_~var_1_4~0 c_~var_1_6~0)) (.cse3 (and (not .cse4) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_7~0))))) (or (and .cse2 (or .cse3 (and .cse4 (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_7~0))))) (and (not .cse2) (or (and .cse0 .cse4) .cse3)))))))) (bvsge ((_ zero_extend 24) c_~var_1_17~0) (_ bv1 32)) (let ((.cse6 (fp.mul c_currentRoundingMode c_~var_1_6~0 c_~var_1_7~0))) (let ((.cse5 (fp.gt .cse6 c_~var_1_1~0))) (or (and .cse5 (fp.eq c_~var_1_5~0 .cse6)) (and (not .cse5) (fp.eq c_~var_1_5~0 c_~var_1_1~0))))) (fp.geq c_~var_1_5~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (= (_ bv1 8) c_~var_1_14~0) (= (_ bv8 32) c_~var_1_8~0) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv0 32)) (bvsge ((_ zero_extend 24) c_~var_1_15~0) (_ bv1 32)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false