./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.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_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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_c2872b54-abea-49dc-bdf8-6b5925778415/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 82983888234bfc7ff4512a899a5dc395d77164a6c3d94b0d7f8ec44d066bed1e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:30:04,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:30:04,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:30:04,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:30:04,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:30:04,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:30:04,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:30:04,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:30:04,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:30:04,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:30:04,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:30:04,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:30:04,339 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:30:04,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:30:04,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:30:04,342 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:30:04,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:30:04,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:30:04,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:30:04,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:30:04,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:30:04,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:30:04,347 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:30:04,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:30:04,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:30:04,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:30:04,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:30:04,351 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:30:04,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:30:04,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:30:04,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:30:04,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:30:04,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:30:04,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:30:04,356 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:30:04,357 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:30:04,357 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:30:04,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:30:04,358 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:30:04,358 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_c2872b54-abea-49dc-bdf8-6b5925778415/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82983888234bfc7ff4512a899a5dc395d77164a6c3d94b0d7f8ec44d066bed1e [2023-11-06 22:30:04,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:30:04,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:30:04,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:30:04,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:30:04,760 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:30:04,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-06 22:30:08,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:30:09,060 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:30:09,061 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-06 22:30:09,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/data/f7ac9ba07/75889392366049049a111cb79f9d4085/FLAGce8f15c93 [2023-11-06 22:30:09,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/data/f7ac9ba07/75889392366049049a111cb79f9d4085 [2023-11-06 22:30:09,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:30:09,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:30:09,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:30:09,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:30:09,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:30:09,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:30:09" (1/1) ... [2023-11-06 22:30:09,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498bdf9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09, skipping insertion in model container [2023-11-06 22:30:09,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:30:09" (1/1) ... [2023-11-06 22:30:09,171 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:30:09,423 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_c2872b54-abea-49dc-bdf8-6b5925778415/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i[916,929] [2023-11-06 22:30:09,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:30:09,601 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:30:09,618 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_c2872b54-abea-49dc-bdf8-6b5925778415/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i[916,929] [2023-11-06 22:30:09,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:30:09,740 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:30:09,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09 WrapperNode [2023-11-06 22:30:09,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:30:09,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:30:09,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:30:09,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:30:09,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09" (1/1) ... [2023-11-06 22:30:09,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09" (1/1) ... [2023-11-06 22:30:09,854 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 239 [2023-11-06 22:30:09,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:30:09,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:30:09,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:30:09,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:30:09,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09" (1/1) ... [2023-11-06 22:30:09,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09" (1/1) ... [2023-11-06 22:30:09,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09" (1/1) ... [2023-11-06 22:30:09,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09" (1/1) ... [2023-11-06 22:30:09,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09" (1/1) ... [2023-11-06 22:30:09,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09" (1/1) ... [2023-11-06 22:30:09,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09" (1/1) ... [2023-11-06 22:30:09,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09" (1/1) ... [2023-11-06 22:30:09,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:30:09,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:30:09,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:30:09,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:30:09,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09" (1/1) ... [2023-11-06 22:30:09,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:30:09,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:10,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:10,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:30:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:30:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:30:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:30:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:30:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:30:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:30:10,250 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:30:10,253 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:30:11,047 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:30:11,058 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:30:11,058 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:30:11,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:11 BoogieIcfgContainer [2023-11-06 22:30:11,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:30:11,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:30:11,066 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:30:11,070 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:30:11,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:30:09" (1/3) ... [2023-11-06 22:30:11,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3baac49a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:30:11, skipping insertion in model container [2023-11-06 22:30:11,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:09" (2/3) ... [2023-11-06 22:30:11,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3baac49a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:30:11, skipping insertion in model container [2023-11-06 22:30:11,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:11" (3/3) ... [2023-11-06 22:30:11,075 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-06 22:30:11,102 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:30:11,102 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:30:11,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:30:11,225 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;@4f3c0bd7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:30:11,226 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:30:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 66 states have (on average 1.5454545454545454) internal successors, (102), 67 states have internal predecessors, (102), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:30:11,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:30:11,264 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:11,266 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:11,267 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:11,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:11,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1691537620, now seen corresponding path program 1 times [2023-11-06 22:30:11,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:11,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869752326] [2023-11-06 22:30:11,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:11,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:11,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:11,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869752326] [2023-11-06 22:30:11,650 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:30:11,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023162154] [2023-11-06 22:30:11,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:11,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:11,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:11,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:30:11,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:30:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:11,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:30:12,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:30:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-06 22:30:12,107 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:30:12,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023162154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:12,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:12,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:30:12,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860277392] [2023-11-06 22:30:12,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:12,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:30:12,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:12,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:30:12,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:30:12,183 INFO L87 Difference]: Start difference. First operand has 89 states, 66 states have (on average 1.5454545454545454) internal successors, (102), 67 states have internal predecessors, (102), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:30:12,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:12,245 INFO L93 Difference]: Finished difference Result 171 states and 298 transitions. [2023-11-06 22:30:12,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:30:12,247 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 137 [2023-11-06 22:30:12,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:12,257 INFO L225 Difference]: With dead ends: 171 [2023-11-06 22:30:12,257 INFO L226 Difference]: Without dead ends: 85 [2023-11-06 22:30:12,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 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 22:30:12,266 INFO L413 NwaCegarLoop]: 135 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, 135 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 22:30:12,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:30:12,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-06 22:30:12,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-06 22:30:12,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.507936507936508) internal successors, (95), 63 states have internal predecessors, (95), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:30:12,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 135 transitions. [2023-11-06 22:30:12,340 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 135 transitions. Word has length 137 [2023-11-06 22:30:12,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:12,341 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 135 transitions. [2023-11-06 22:30:12,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:30:12,341 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2023-11-06 22:30:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:30:12,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:12,347 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:12,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:12,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:30:12,548 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:12,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:12,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1819037416, now seen corresponding path program 1 times [2023-11-06 22:30:12,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:12,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280127589] [2023-11-06 22:30:12,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:12,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:12,637 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:30:12,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [736827171] [2023-11-06 22:30:12,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:12,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:12,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:12,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:30:12,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:30:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:12,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:30:12,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:30:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:30:13,183 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:30:13,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:13,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280127589] [2023-11-06 22:30:13,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:30:13,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736827171] [2023-11-06 22:30:13,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736827171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:13,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:13,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:30:13,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519989514] [2023-11-06 22:30:13,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:13,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:30:13,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:13,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:30:13,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:30:13,192 INFO L87 Difference]: Start difference. First operand 85 states and 135 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:30:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:13,629 INFO L93 Difference]: Finished difference Result 279 states and 440 transitions. [2023-11-06 22:30:13,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:30:13,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 137 [2023-11-06 22:30:13,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:13,637 INFO L225 Difference]: With dead ends: 279 [2023-11-06 22:30:13,637 INFO L226 Difference]: Without dead ends: 197 [2023-11-06 22:30:13,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:30:13,641 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 195 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:13,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 495 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:30:13,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2023-11-06 22:30:13,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 192. [2023-11-06 22:30:13,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 144 states have (on average 1.4583333333333333) internal successors, (210), 145 states have internal predecessors, (210), 44 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-06 22:30:13,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 298 transitions. [2023-11-06 22:30:13,697 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 298 transitions. Word has length 137 [2023-11-06 22:30:13,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:13,698 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 298 transitions. [2023-11-06 22:30:13,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:30:13,699 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 298 transitions. [2023-11-06 22:30:13,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-06 22:30:13,704 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:13,705 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:13,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:13,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:13,914 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:13,915 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:13,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1485064768, now seen corresponding path program 1 times [2023-11-06 22:30:13,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:13,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257786869] [2023-11-06 22:30:13,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:13,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:14,030 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:30:14,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1878819063] [2023-11-06 22:30:14,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:14,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:14,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:14,039 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:30:14,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:30:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:14,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:30:14,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:30:14,301 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:30:14,301 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:30:14,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:14,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257786869] [2023-11-06 22:30:14,302 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:30:14,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878819063] [2023-11-06 22:30:14,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878819063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:14,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:14,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:30:14,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746806242] [2023-11-06 22:30:14,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:14,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:30:14,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:14,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:30:14,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:30:14,306 INFO L87 Difference]: Start difference. First operand 192 states and 298 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:30:14,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:14,450 INFO L93 Difference]: Finished difference Result 417 states and 640 transitions. [2023-11-06 22:30:14,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:30:14,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 138 [2023-11-06 22:30:14,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:14,457 INFO L225 Difference]: With dead ends: 417 [2023-11-06 22:30:14,457 INFO L226 Difference]: Without dead ends: 228 [2023-11-06 22:30:14,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 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 22:30:14,461 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 68 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:14,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 374 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:30:14,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-11-06 22:30:14,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 196. [2023-11-06 22:30:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 147 states have (on average 1.4421768707482994) internal successors, (212), 148 states have internal predecessors, (212), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-06 22:30:14,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 300 transitions. [2023-11-06 22:30:14,494 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 300 transitions. Word has length 138 [2023-11-06 22:30:14,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:14,495 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 300 transitions. [2023-11-06 22:30:14,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:30:14,496 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 300 transitions. [2023-11-06 22:30:14,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-06 22:30:14,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:14,500 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:14,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:14,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:14,707 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:14,708 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:14,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1560312185, now seen corresponding path program 1 times [2023-11-06 22:30:14,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:14,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268016585] [2023-11-06 22:30:14,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:14,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:14,841 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:30:14,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1647556271] [2023-11-06 22:30:14,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:14,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:14,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:14,853 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:30:14,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:30:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:15,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:30:15,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:30:15,304 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:30:15,304 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:30:15,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:15,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268016585] [2023-11-06 22:30:15,305 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:30:15,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647556271] [2023-11-06 22:30:15,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647556271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:15,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:15,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:30:15,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948011266] [2023-11-06 22:30:15,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:15,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:30:15,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:15,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:30:15,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:30:15,315 INFO L87 Difference]: Start difference. First operand 196 states and 300 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:30:15,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:15,980 INFO L93 Difference]: Finished difference Result 428 states and 650 transitions. [2023-11-06 22:30:15,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:30:15,981 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 139 [2023-11-06 22:30:15,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:15,985 INFO L225 Difference]: With dead ends: 428 [2023-11-06 22:30:15,985 INFO L226 Difference]: Without dead ends: 235 [2023-11-06 22:30:15,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:30:15,987 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 177 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:15,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 591 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:30:15,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-11-06 22:30:16,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 224. [2023-11-06 22:30:16,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 172 states have (on average 1.441860465116279) internal successors, (248), 174 states have internal predecessors, (248), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-06 22:30:16,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 340 transitions. [2023-11-06 22:30:16,022 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 340 transitions. Word has length 139 [2023-11-06 22:30:16,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:16,023 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 340 transitions. [2023-11-06 22:30:16,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:30:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 340 transitions. [2023-11-06 22:30:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-06 22:30:16,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:16,027 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:16,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:16,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:16,234 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:16,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:16,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1732227491, now seen corresponding path program 1 times [2023-11-06 22:30:16,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:16,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784270208] [2023-11-06 22:30:16,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:16,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:16,289 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:30:16,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1377975760] [2023-11-06 22:30:16,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:16,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:16,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:16,291 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:30:16,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:30:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:16,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:30:16,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:30:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 393 proven. 24 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-11-06 22:30:16,680 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:30:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 33 proven. 24 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-06 22:30:17,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:17,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784270208] [2023-11-06 22:30:17,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:30:17,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377975760] [2023-11-06 22:30:17,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377975760] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:30:17,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:30:17,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-06 22:30:17,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737120928] [2023-11-06 22:30:17,014 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:30:17,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:30:17,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:17,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:30:17,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:30:17,025 INFO L87 Difference]: Start difference. First operand 224 states and 340 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-06 22:30:17,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:17,377 INFO L93 Difference]: Finished difference Result 360 states and 541 transitions. [2023-11-06 22:30:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:30:17,379 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 140 [2023-11-06 22:30:17,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:17,381 INFO L225 Difference]: With dead ends: 360 [2023-11-06 22:30:17,382 INFO L226 Difference]: Without dead ends: 139 [2023-11-06 22:30:17,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 271 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:30:17,384 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 242 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:17,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 230 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:30:17,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-11-06 22:30:17,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 121. [2023-11-06 22:30:17,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 92 states have (on average 1.3369565217391304) internal successors, (123), 93 states have internal predecessors, (123), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:30:17,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 171 transitions. [2023-11-06 22:30:17,411 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 171 transitions. Word has length 140 [2023-11-06 22:30:17,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:17,412 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 171 transitions. [2023-11-06 22:30:17,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-06 22:30:17,413 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 171 transitions. [2023-11-06 22:30:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:30:17,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:17,416 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:17,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:17,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:17,625 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:17,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:17,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1422786536, now seen corresponding path program 1 times [2023-11-06 22:30:17,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:17,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224095567] [2023-11-06 22:30:17,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:17,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:17,716 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:30:17,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1540680778] [2023-11-06 22:30:17,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:17,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:17,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:17,724 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:30:17,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:30:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:18,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-06 22:30:18,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:30:20,852 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 376 proven. 111 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2023-11-06 22:30:20,852 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:30:24,524 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 42 proven. 120 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2023-11-06 22:30:24,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:24,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224095567] [2023-11-06 22:30:24,525 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:30:24,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540680778] [2023-11-06 22:30:24,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540680778] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:30:24,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:30:24,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 36 [2023-11-06 22:30:24,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450173406] [2023-11-06 22:30:24,526 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:30:24,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-11-06 22:30:24,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:24,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-11-06 22:30:24,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=963, Unknown=0, NotChecked=0, Total=1260 [2023-11-06 22:30:24,531 INFO L87 Difference]: Start difference. First operand 121 states and 171 transitions. Second operand has 36 states, 34 states have (on average 3.0) internal successors, (102), 34 states have internal predecessors, (102), 12 states have call successors, (40), 7 states have call predecessors, (40), 11 states have return successors, (40), 10 states have call predecessors, (40), 12 states have call successors, (40) [2023-11-06 22:30:51,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:51,511 INFO L93 Difference]: Finished difference Result 777 states and 1072 transitions. [2023-11-06 22:30:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-11-06 22:30:51,514 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 34 states have (on average 3.0) internal successors, (102), 34 states have internal predecessors, (102), 12 states have call successors, (40), 7 states have call predecessors, (40), 11 states have return successors, (40), 10 states have call predecessors, (40), 12 states have call successors, (40) Word has length 141 [2023-11-06 22:30:51,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:51,519 INFO L225 Difference]: With dead ends: 777 [2023-11-06 22:30:51,520 INFO L226 Difference]: Without dead ends: 659 [2023-11-06 22:30:51,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4843 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=3100, Invalid=9782, Unknown=0, NotChecked=0, Total=12882 [2023-11-06 22:30:51,528 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 2576 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 2913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:51,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 1248 Invalid, 2913 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [517 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2023-11-06 22:30:51,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2023-11-06 22:30:51,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 382. [2023-11-06 22:30:51,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 296 states have (on average 1.3141891891891893) internal successors, (389), 298 states have internal predecessors, (389), 66 states have call successors, (66), 19 states have call predecessors, (66), 19 states have return successors, (66), 64 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-06 22:30:51,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 521 transitions. [2023-11-06 22:30:51,646 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 521 transitions. Word has length 141 [2023-11-06 22:30:51,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:51,647 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 521 transitions. [2023-11-06 22:30:51,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 34 states have (on average 3.0) internal successors, (102), 34 states have internal predecessors, (102), 12 states have call successors, (40), 7 states have call predecessors, (40), 11 states have return successors, (40), 10 states have call predecessors, (40), 12 states have call successors, (40) [2023-11-06 22:30:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 521 transitions. [2023-11-06 22:30:51,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:30:51,650 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:51,650 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:51,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:30:51,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:30:51,859 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:51,859 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:51,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1861063510, now seen corresponding path program 1 times [2023-11-06 22:30:51,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:51,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943598956] [2023-11-06 22:30:51,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:51,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:51,924 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:30:51,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2113755336] [2023-11-06 22:30:51,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:51,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:30:51,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:51,932 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:30:51,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:30:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:52,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 22:30:52,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:30:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 501 proven. 87 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-06 22:30:53,317 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:31:08,043 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_~last_1_var_1_10~0 65536))) (let ((.cse4 (div c_~var_1_5~0 c_~var_1_4~0)) (.cse0 (+ .cse5 1))) (let ((.cse2 (< .cse4 .cse0)) (.cse1 (= (mod c_~var_1_5~0 c_~var_1_4~0) 0)) (.cse3 (< c_~var_1_5~0 0))) (and (forall ((~var_1_23~0 Int)) (or (< (div c_~var_1_5~0 ~var_1_23~0) .cse0) (not (= (mod c_~var_1_5~0 ~var_1_23~0) 0)) (< c_~var_1_4~0 ~var_1_23~0) (= ~var_1_23~0 0))) (or (not .cse1) .cse2) (or .cse3 .cse2) (or (< c_~var_1_4~0 0) (< 0 (+ c_~var_1_5~0 1)) (< .cse4 .cse5) .cse1) (or .cse3 (forall ((~var_1_23~0 Int)) (or (< (div c_~var_1_5~0 ~var_1_23~0) .cse0) (< c_~var_1_4~0 ~var_1_23~0) (= ~var_1_23~0 0)))) (forall ((~var_1_23~0 Int)) (or (< c_~var_1_4~0 ~var_1_23~0) (= ~var_1_23~0 0) (< (div c_~var_1_5~0 ~var_1_23~0) (+ 2 .cse5)))) (<= .cse4 .cse0))))) is different from false [2023-11-06 22:31:08,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:08,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943598956] [2023-11-06 22:31:08,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:31:08,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113755336] [2023-11-06 22:31:08,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113755336] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:31:08,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:31:08,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2023-11-06 22:31:08,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752050705] [2023-11-06 22:31:08,055 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:31:08,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:31:08,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:08,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:31:08,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=208, Unknown=1, NotChecked=30, Total=306 [2023-11-06 22:31:08,057 INFO L87 Difference]: Start difference. First operand 382 states and 521 transitions. Second operand has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 14 states have internal predecessors, (62), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 4 states have call predecessors, (20), 5 states have call successors, (20) [2023-11-06 22:31:09,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:09,926 INFO L93 Difference]: Finished difference Result 726 states and 989 transitions. [2023-11-06 22:31:09,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-06 22:31:09,927 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 14 states have internal predecessors, (62), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 4 states have call predecessors, (20), 5 states have call successors, (20) Word has length 141 [2023-11-06 22:31:09,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:09,937 INFO L225 Difference]: With dead ends: 726 [2023-11-06 22:31:09,937 INFO L226 Difference]: Without dead ends: 411 [2023-11-06 22:31:09,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=310, Invalid=883, Unknown=1, NotChecked=66, Total=1260 [2023-11-06 22:31:09,942 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 203 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:09,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 474 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:31:09,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-11-06 22:31:10,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 390. [2023-11-06 22:31:10,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 302 states have (on average 1.3013245033112584) internal successors, (393), 304 states have internal predecessors, (393), 66 states have call successors, (66), 21 states have call predecessors, (66), 21 states have return successors, (66), 64 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-06 22:31:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 525 transitions. [2023-11-06 22:31:10,071 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 525 transitions. Word has length 141 [2023-11-06 22:31:10,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:10,072 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 525 transitions. [2023-11-06 22:31:10,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 14 states have internal predecessors, (62), 5 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (20), 4 states have call predecessors, (20), 5 states have call successors, (20) [2023-11-06 22:31:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 525 transitions. [2023-11-06 22:31:10,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:31:10,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:10,075 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:10,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-06 22:31:10,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 22:31:10,282 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:31:10,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:10,283 INFO L85 PathProgramCache]: Analyzing trace with hash 774896300, now seen corresponding path program 1 times [2023-11-06 22:31:10,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:10,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577510882] [2023-11-06 22:31:10,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:10,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:10,338 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:31:10,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784595539] [2023-11-06 22:31:10,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:10,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:10,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:10,356 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:31:10,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:31:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:31:10,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:31:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:31:10,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:31:10,816 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:31:10,817 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:31:10,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-06 22:31:11,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 22:31:11,033 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:11,038 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:31:11,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:31:11 BoogieIcfgContainer [2023-11-06 22:31:11,205 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:31:11,206 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:31:11,206 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:31:11,207 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:31:11,207 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:11" (3/4) ... [2023-11-06 22:31:11,210 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:31:11,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:31:11,212 INFO L158 Benchmark]: Toolchain (without parser) took 62107.57ms. Allocated memory was 153.1MB in the beginning and 234.9MB in the end (delta: 81.8MB). Free memory was 105.1MB in the beginning and 91.8MB in the end (delta: 13.3MB). Peak memory consumption was 96.3MB. Max. memory is 16.1GB. [2023-11-06 22:31:11,213 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 153.1MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:31:11,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.16ms. Allocated memory is still 153.1MB. Free memory was 104.5MB in the beginning and 88.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:31:11,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.73ms. Allocated memory is still 153.1MB. Free memory was 88.3MB in the beginning and 84.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:31:11,214 INFO L158 Benchmark]: Boogie Preprocessor took 62.58ms. Allocated memory is still 153.1MB. Free memory was 84.7MB in the beginning and 82.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:31:11,215 INFO L158 Benchmark]: RCFGBuilder took 1142.71ms. Allocated memory is still 153.1MB. Free memory was 82.0MB in the beginning and 54.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 22:31:11,215 INFO L158 Benchmark]: TraceAbstraction took 60140.42ms. Allocated memory was 153.1MB in the beginning and 234.9MB in the end (delta: 81.8MB). Free memory was 54.2MB in the beginning and 91.8MB in the end (delta: -37.7MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2023-11-06 22:31:11,216 INFO L158 Benchmark]: Witness Printer took 5.51ms. Allocated memory is still 234.9MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:31:11,219 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 153.1MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.16ms. Allocated memory is still 153.1MB. Free memory was 104.5MB in the beginning and 88.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.73ms. Allocated memory is still 153.1MB. Free memory was 88.3MB in the beginning and 84.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.58ms. Allocated memory is still 153.1MB. Free memory was 84.7MB in the beginning and 82.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1142.71ms. Allocated memory is still 153.1MB. Free memory was 82.0MB in the beginning and 54.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 60140.42ms. Allocated memory was 153.1MB in the beginning and 234.9MB in the end (delta: 81.8MB). Free memory was 54.2MB in the beginning and 91.8MB in the end (delta: -37.7MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Witness Printer took 5.51ms. Allocated memory is still 234.9MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 183, overapproximation of someBinaryArithmeticFLOAToperation at line 75, overapproximation of someUnaryFLOAToperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 2; [L23] unsigned char var_1_2 = 0; [L24] signed char var_1_3 = 10; [L25] signed char var_1_4 = 64; [L26] signed char var_1_5 = 5; [L27] double var_1_7 = 4.175; [L28] unsigned char var_1_9 = 100; [L29] unsigned short int var_1_10 = 128; [L30] float var_1_11 = 10.6; [L31] float var_1_12 = 16.25; [L32] float var_1_13 = 0.0; [L33] float var_1_14 = 127.2; [L34] double var_1_15 = 0.75; [L35] unsigned char var_1_18 = 1; [L36] unsigned char var_1_19 = 1; [L37] signed char var_1_20 = 1; [L38] signed short int var_1_21 = -1; [L39] unsigned long int var_1_22 = 1000000000; [L40] signed long int var_1_23 = -50; [L41] unsigned long int var_1_24 = 3900988395; [L42] unsigned long int var_1_25 = 2230016845; [L43] unsigned long int var_1_26 = 256; [L44] unsigned long int var_1_27 = 4; [L45] signed char var_1_29 = 8; [L46] signed long int last_1_var_1_1 = 2; [L47] unsigned char last_1_var_1_9 = 100; [L48] unsigned short int last_1_var_1_10 = 128; [L49] double last_1_var_1_15 = 0.75; [L50] signed short int last_1_var_1_21 = -1; [L51] unsigned long int last_1_var_1_22 = 1000000000; [L52] unsigned long int last_1_var_1_27 = 4; [L53] signed char last_1_var_1_29 = 8; VAL [isInitial=0, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=0, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L187] isInitial = 1 [L188] FCALL initially() [L189] COND TRUE 1 [L190] CALL updateLastVariables() [L173] last_1_var_1_1 = var_1_1 [L174] last_1_var_1_9 = var_1_9 [L175] last_1_var_1_10 = var_1_10 [L176] last_1_var_1_15 = var_1_15 [L177] last_1_var_1_21 = var_1_21 [L178] last_1_var_1_22 = var_1_22 [L179] last_1_var_1_27 = var_1_27 [L180] last_1_var_1_29 = var_1_29 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=0, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L190] RET updateLastVariables() [L191] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L142] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L142] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=10, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L143] var_1_3 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L144] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L145] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L145] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=64, var_1_5=5, var_1_7=167/40, var_1_9=100] [L146] var_1_4 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_4 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=5, var_1_7=167/40, var_1_9=100] [L147] RET assume_abort_if_not(var_1_4 >= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=5, var_1_7=167/40, var_1_9=100] [L148] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=5, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=5, var_1_7=167/40, var_1_9=100] [L148] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=5, var_1_7=167/40, var_1_9=100] [L149] var_1_5 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L150] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L151] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L151] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=65/4, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L152] var_1_12 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L153] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=0, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L154] var_1_13 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_13 >= 6917529.027641073700e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L155] RET assume_abort_if_not((var_1_13 >= 6917529.027641073700e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=636/5, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L156] var_1_14 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L157] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L158] var_1_19 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L159] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L160] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L160] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=-50, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L161] var_1_23 = __VERIFIER_nondet_long() [L162] CALL assume_abort_if_not(var_1_23 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L162] RET assume_abort_if_not(var_1_23 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L163] CALL assume_abort_if_not(var_1_23 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L163] RET assume_abort_if_not(var_1_23 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L164] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L164] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=3900988395, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L165] var_1_24 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_24 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L166] RET assume_abort_if_not(var_1_24 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L167] CALL assume_abort_if_not(var_1_24 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L167] RET assume_abort_if_not(var_1_24 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=2230016845, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L168] var_1_25 = __VERIFIER_nondet_ulong() [L169] CALL assume_abort_if_not(var_1_25 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L169] RET assume_abort_if_not(var_1_25 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L170] CALL assume_abort_if_not(var_1_25 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L170] RET assume_abort_if_not(var_1_25 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L191] RET updateVariables() [L192] CALL step() [L57] signed long int stepLocal_3 = last_1_var_1_1 * last_1_var_1_29; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-1, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L58] COND TRUE var_1_5 == stepLocal_3 [L59] var_1_21 = ((var_1_4 - last_1_var_1_1) + ((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22)))) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-13699, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L63] signed long int stepLocal_4 = last_1_var_1_10; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, stepLocal_4=128, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-13699, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L64] COND TRUE (var_1_5 / ((((var_1_4) < (var_1_23)) ? (var_1_4) : (var_1_23)))) <= stepLocal_4 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, stepLocal_4=128, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-13699, var_1_22=1000000000, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L65] COND TRUE \read(var_1_19) [L66] var_1_22 = (var_1_24 - (last_1_var_1_9 + var_1_4)) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, stepLocal_4=128, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L71] COND TRUE last_1_var_1_15 < (- var_1_14) [L72] var_1_18 = (var_1_2 || var_1_19) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, stepLocal_4=128, var_1_10=128, var_1_11=53/5, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=1, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L74] var_1_10 = ((((var_1_5) < (var_1_4)) ? (var_1_5) : (var_1_4))) [L75] var_1_11 = (var_1_12 - ((((var_1_14) < (var_1_13)) ? (var_1_14) : (var_1_13)))) [L76] var_1_20 = var_1_5 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=100] [L77] COND TRUE var_1_21 != 10 [L78] var_1_9 = ((((var_1_4) > (2)) ? (var_1_4) : (2))) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L90] signed short int stepLocal_2 = var_1_21; [L91] unsigned long int stepLocal_1 = var_1_22; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_1=2147483420, stepLocal_2=-13699, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L92] COND FALSE !((var_1_9 * (var_1_4 * var_1_5)) < stepLocal_2) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_1=2147483420, stepLocal_2=-13699, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=3/4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L99] COND TRUE \read(var_1_18) [L100] var_1_15 = ((((((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_1=2147483420, stepLocal_2=-13699, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L112] signed long int stepLocal_0 = 500 * var_1_10; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483420, stepLocal_2=-13699, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L113] COND TRUE \read(var_1_18) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483420, stepLocal_2=-13699, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L114] COND FALSE !((var_1_3 - (var_1_4 - var_1_5)) >= stepLocal_0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483420, stepLocal_2=-13699, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=4, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L120] COND TRUE var_1_18 && var_1_19 [L121] var_1_27 = ((((var_1_5) < (((var_1_4 + var_1_1) + var_1_1))) ? (var_1_5) : (((var_1_4 + var_1_1) + var_1_1)))) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483420, stepLocal_2=-13699, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=256, var_1_27=16, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L123] COND FALSE !((var_1_13 - var_1_14) <= var_1_12) [L126] var_1_26 = ((((var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) < 0 ) ? -(var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) : (var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))))) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483420, stepLocal_2=-13699, stepLocal_3=16, stepLocal_4=128, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=143, var_1_27=16, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L128] unsigned char stepLocal_5 = var_1_13 < var_1_15; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483420, stepLocal_2=-13699, stepLocal_3=16, stepLocal_4=128, stepLocal_5=1, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=143, var_1_27=16, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L129] COND TRUE var_1_18 || stepLocal_5 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483420, stepLocal_2=-13699, stepLocal_3=16, stepLocal_4=128, stepLocal_5=1, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=143, var_1_27=16, var_1_29=8, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L130] COND TRUE (((((var_1_7 / var_1_13)) > (99.6f)) ? ((var_1_7 / var_1_13)) : (99.6f))) != var_1_15 [L131] var_1_29 = (var_1_5 - 10) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, stepLocal_0=8000, stepLocal_1=2147483420, stepLocal_2=-13699, stepLocal_3=16, stepLocal_4=128, stepLocal_5=1, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=143, var_1_27=16, var_1_29=6, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L192] RET step() [L193] CALL, EXPR property() [L183] EXPR (var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1) VAL [(var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=143, var_1_27=16, var_1_29=6, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L183] EXPR ((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1 VAL [((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1=1, (var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=143, var_1_27=16, var_1_29=6, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L183] EXPR (var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1) VAL [((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1=1, (var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=143, var_1_27=16, var_1_29=6, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L183-L184] return ((((((((((((var_1_18 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * var_1_10)) ? (var_1_1 == ((signed long int) var_1_4)) : 1) : (var_1_1 == ((signed long int) var_1_4))) && (((var_1_9 * (var_1_4 * var_1_5)) < var_1_21) ? ((var_1_22 != (var_1_5 | (var_1_9 ^ var_1_4))) ? (var_1_18 ? (var_1_7 == ((double) 8.5)) : 1) : 1) : 1)) && ((var_1_21 != 10) ? (var_1_9 == ((unsigned char) ((((var_1_4) > (2)) ? (var_1_4) : (2))))) : ((var_1_22 > (var_1_21 / 128)) ? (var_1_18 ? (var_1_9 == ((unsigned char) var_1_4)) : (var_1_9 == ((unsigned char) var_1_5))) : (var_1_9 == ((unsigned char) var_1_4))))) && (var_1_10 == ((unsigned short int) ((((var_1_5) < (var_1_4)) ? (var_1_5) : (var_1_4)))))) && (var_1_11 == ((float) (var_1_12 - ((((var_1_14) < (var_1_13)) ? (var_1_14) : (var_1_13))))))) && (var_1_18 ? (var_1_15 == ((double) ((((((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (((((var_1_14) > (var_1_12)) ? (var_1_14) : (var_1_12)))) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : ((var_1_22 < var_1_4) ? ((var_1_18 || var_1_18) ? (var_1_15 == ((double) var_1_14)) : (var_1_15 == ((double) var_1_14))) : (var_1_15 == ((double) var_1_13))))) && ((last_1_var_1_15 < (- var_1_14)) ? (var_1_18 == ((unsigned char) (var_1_2 || var_1_19))) : 1)) && (var_1_20 == ((signed char) var_1_5))) && ((var_1_5 == (last_1_var_1_1 * last_1_var_1_29)) ? (var_1_21 == ((signed short int) ((var_1_4 - last_1_var_1_1) + ((((last_1_var_1_22) < 0 ) ? -(last_1_var_1_22) : (last_1_var_1_22)))))) : (var_1_21 == ((signed short int) ((((last_1_var_1_21) > (var_1_4)) ? (last_1_var_1_21) : (var_1_4))))))) && (((var_1_5 / ((((var_1_4) < (var_1_23)) ? (var_1_4) : (var_1_23)))) <= last_1_var_1_10) ? (var_1_19 ? (var_1_22 == ((unsigned long int) (var_1_24 - (last_1_var_1_9 + var_1_4)))) : (var_1_22 == ((unsigned long int) (((((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) - (last_1_var_1_9 + last_1_var_1_27))) < (((((last_1_var_1_10) > (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (last_1_var_1_10) : (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))))))) ? ((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) - (last_1_var_1_9 + last_1_var_1_27))) : (((((last_1_var_1_10) > (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (last_1_var_1_10) : (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))))))))))) : 1)) && (((var_1_13 - var_1_14) <= var_1_12) ? (var_1_26 == ((unsigned long int) (var_1_25 - var_1_27))) : (var_1_26 == ((unsigned long int) ((((var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) < 0 ) ? -(var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))) : (var_1_27 + ((((var_1_9) > (var_1_5)) ? (var_1_9) : (var_1_5)))))))))) && ((var_1_18 && var_1_19) ? (var_1_27 == ((unsigned long int) ((((var_1_5) < (((var_1_4 + var_1_1) + var_1_1))) ? (var_1_5) : (((var_1_4 + var_1_1) + var_1_1)))))) : 1)) && ((var_1_18 || (var_1_13 < var_1_15)) ? (((((((var_1_7 / var_1_13)) > (99.6f)) ? ((var_1_7 / var_1_13)) : (99.6f))) != var_1_15) ? (var_1_29 == ((signed char) (var_1_5 - 10))) : (var_1_29 == ((signed char) var_1_5))) : (var_1_29 == ((signed char) var_1_5))) ; [L193] RET, EXPR property() [L193] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=143, var_1_27=16, var_1_29=6, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_15=3/4, last_1_var_1_1=2, last_1_var_1_21=-1, last_1_var_1_22=1000000000, last_1_var_1_27=4, last_1_var_1_29=8, last_1_var_1_9=100, var_1_10=16, var_1_12=2, var_1_13=3, var_1_14=4, var_1_15=4, var_1_18=1, var_1_19=1, var_1_1=2, var_1_20=16, var_1_21=-13699, var_1_22=2147483420, var_1_23=3, var_1_24=2147483647, var_1_25=4294967294, var_1_26=143, var_1_27=16, var_1_29=6, var_1_2=1, var_1_3=127, var_1_4=127, var_1_5=16, var_1_7=167/40, var_1_9=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.9s, OverallIterations: 8, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 30.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3464 SdHoareTripleChecker+Valid, 14.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3461 mSDsluCounter, 3547 SdHoareTripleChecker+Invalid, 13.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2683 mSDsCounter, 702 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3578 IncrementalHoareTripleChecker+Invalid, 4280 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 702 mSolverCounterUnsat, 864 mSDtfsCounter, 3578 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1415 GetRequests, 1240 SyntacticMatches, 1 SemanticMatches, 174 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5088 ImplicationChecksByTransitivity, 21.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred in iteration=7, InterpolantAutomatonStates: 138, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 364 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 23.6s InterpolantComputationTime, 1252 NumberOfCodeBlocks, 1252 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1245 ConstructedInterpolants, 0 QuantifiedInterpolants, 7139 SizeOfPredicates, 37 NumberOfNonLiveVariables, 2646 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 6474/6840 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 22:31:11,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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_c2872b54-abea-49dc-bdf8-6b5925778415/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 82983888234bfc7ff4512a899a5dc395d77164a6c3d94b0d7f8ec44d066bed1e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:31:14,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:31:14,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:31:14,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:31:14,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:31:14,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:31:14,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:31:14,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:31:14,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:31:14,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:31:14,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:31:14,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:31:14,393 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:31:14,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:31:14,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:31:14,397 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:31:14,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:31:14,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:31:14,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:31:14,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:31:14,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:31:14,401 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:31:14,402 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:31:14,402 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:31:14,403 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:31:14,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:31:14,404 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:31:14,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:31:14,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:31:14,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:31:14,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:31:14,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:31:14,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:31:14,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:31:14,409 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:31:14,410 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:31:14,410 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:31:14,410 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:31:14,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:31:14,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:31:14,412 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:31:14,413 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:31:14,413 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_c2872b54-abea-49dc-bdf8-6b5925778415/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82983888234bfc7ff4512a899a5dc395d77164a6c3d94b0d7f8ec44d066bed1e [2023-11-06 22:31:14,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:31:14,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:31:14,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:31:14,935 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:31:14,935 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:31:14,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-06 22:31:18,351 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:31:18,693 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:31:18,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-06 22:31:18,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/data/c9fb65544/a3d5815642be4bb1b3466a6124c16fd3/FLAGce3deb7fd [2023-11-06 22:31:18,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/data/c9fb65544/a3d5815642be4bb1b3466a6124c16fd3 [2023-11-06 22:31:18,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:31:18,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:31:18,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:31:18,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:31:18,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:31:18,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:18" (1/1) ... [2023-11-06 22:31:18,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53666f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:18, skipping insertion in model container [2023-11-06 22:31:18,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:18" (1/1) ... [2023-11-06 22:31:18,829 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:31:19,021 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_c2872b54-abea-49dc-bdf8-6b5925778415/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i[916,929] [2023-11-06 22:31:19,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:31:19,198 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:31:19,219 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_c2872b54-abea-49dc-bdf8-6b5925778415/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-37.i[916,929] [2023-11-06 22:31:19,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:31:19,366 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:31:19,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:19 WrapperNode [2023-11-06 22:31:19,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:31:19,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:31:19,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:31:19,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:31:19,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:19" (1/1) ... [2023-11-06 22:31:19,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:19" (1/1) ... [2023-11-06 22:31:19,445 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2023-11-06 22:31:19,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:31:19,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:31:19,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:31:19,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:31:19,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:19" (1/1) ... [2023-11-06 22:31:19,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:19" (1/1) ... [2023-11-06 22:31:19,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:19" (1/1) ... [2023-11-06 22:31:19,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:19" (1/1) ... [2023-11-06 22:31:19,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:19" (1/1) ... [2023-11-06 22:31:19,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:19" (1/1) ... [2023-11-06 22:31:19,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:19" (1/1) ... [2023-11-06 22:31:19,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:19" (1/1) ... [2023-11-06 22:31:19,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:31:19,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:31:19,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:31:19,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:31:19,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:19" (1/1) ... [2023-11-06 22:31:19,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:31:19,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:19,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:31:19,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:31:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:31:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:31:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:31:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:31:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:31:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:31:19,702 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:31:19,704 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:31:41,883 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:31:41,895 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:31:41,899 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:31:41,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:41 BoogieIcfgContainer [2023-11-06 22:31:41,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:31:41,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:31:41,907 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:31:41,911 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:31:41,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:31:18" (1/3) ... [2023-11-06 22:31:41,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a93380c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:41, skipping insertion in model container [2023-11-06 22:31:41,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:19" (2/3) ... [2023-11-06 22:31:41,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a93380c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:41, skipping insertion in model container [2023-11-06 22:31:41,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:41" (3/3) ... [2023-11-06 22:31:41,919 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-37.i [2023-11-06 22:31:41,949 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:31:41,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:31:42,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:31:42,052 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;@971798e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:31:42,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:31:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 52 states have internal predecessors, (75), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:31:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 22:31:42,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:42,085 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:42,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:31:42,097 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:42,098 INFO L85 PathProgramCache]: Analyzing trace with hash 2079175466, now seen corresponding path program 1 times [2023-11-06 22:31:42,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:31:42,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413042296] [2023-11-06 22:31:42,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:42,121 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 22:31:42,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:31:42,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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 22:31:42,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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 22:31:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:43,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:31:43,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:43,868 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-11-06 22:31:43,868 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:31:43,886 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:31:43,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413042296] [2023-11-06 22:31:43,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1413042296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:43,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:43,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:31:43,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260655085] [2023-11-06 22:31:43,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:43,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:31:43,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:31:43,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:31:43,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:31:43,933 INFO L87 Difference]: Start difference. First operand has 74 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 52 states have internal predecessors, (75), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:31:44,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:44,010 INFO L93 Difference]: Finished difference Result 141 states and 244 transitions. [2023-11-06 22:31:44,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:31:44,014 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 135 [2023-11-06 22:31:44,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:44,029 INFO L225 Difference]: With dead ends: 141 [2023-11-06 22:31:44,029 INFO L226 Difference]: Without dead ends: 70 [2023-11-06 22:31:44,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 22:31:44,042 INFO L413 NwaCegarLoop]: 108 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, 108 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 22:31:44,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:31:44,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-06 22:31:44,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-06 22:31:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 48 states have internal predecessors, (68), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-06 22:31:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 108 transitions. [2023-11-06 22:31:44,108 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 108 transitions. Word has length 135 [2023-11-06 22:31:44,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:44,108 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 108 transitions. [2023-11-06 22:31:44,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:31:44,109 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2023-11-06 22:31:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 22:31:44,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:44,114 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:44,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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 22:31:44,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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 22:31:44,335 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:31:44,335 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:44,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1935044122, now seen corresponding path program 1 times [2023-11-06 22:31:44,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:31:44,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [722253902] [2023-11-06 22:31:44,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:44,337 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 22:31:44,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:31:44,339 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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 22:31:44,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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 22:31:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:45,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:31:45,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:32:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-06 22:32:04,301 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:32:14,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:32:14,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [722253902] [2023-11-06 22:32:14,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [722253902] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:32:14,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1018926628] [2023-11-06 22:32:14,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:32:14,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:32:14,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:32:14,888 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:32:14,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-06 22:32:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:32:15,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:32:15,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:32:16,160 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-06 22:32:16,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:32:16,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1018926628] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:32:16,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:32:16,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-11-06 22:32:16,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091492353] [2023-11-06 22:32:16,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:32:16,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:32:16,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:32:16,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:32:16,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:32:16,166 INFO L87 Difference]: Start difference. First operand 70 states and 108 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:32:20,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:32:22,376 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 22:32:22,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:32:22,386 INFO L93 Difference]: Finished difference Result 201 states and 312 transitions. [2023-11-06 22:32:22,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:32:22,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 135 [2023-11-06 22:32:22,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:32:22,641 INFO L225 Difference]: With dead ends: 201 [2023-11-06 22:32:22,641 INFO L226 Difference]: Without dead ends: 134 [2023-11-06 22:32:22,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:32:22,644 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 90 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:32:22,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 206 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2023-11-06 22:32:22,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-06 22:32:22,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2023-11-06 22:32:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-06 22:32:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 201 transitions. [2023-11-06 22:32:22,673 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 201 transitions. Word has length 135 [2023-11-06 22:32:22,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:32:22,675 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 201 transitions. [2023-11-06 22:32:22,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-06 22:32:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 201 transitions. [2023-11-06 22:32:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-06 22:32:22,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:32:22,679 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:32:22,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-06 22:32:22,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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)] Ended with exit code 0 [2023-11-06 22:32:23,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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 22:32:23,089 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:32:23,090 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:32:23,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1868564433, now seen corresponding path program 1 times [2023-11-06 22:32:23,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:32:23,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811895183] [2023-11-06 22:32:23,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:32:23,092 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 22:32:23,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:32:23,093 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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 22:32:23,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/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 22:32:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:32:24,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:32:24,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:32:39,968 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-06 22:32:39,969 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:32:50,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:32:50,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811895183] [2023-11-06 22:32:50,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [811895183] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:32:50,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [26117349] [2023-11-06 22:32:50,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:32:50,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:32:50,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:32:50,691 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:32:50,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2872b54-abea-49dc-bdf8-6b5925778415/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-06 22:32:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:32:53,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:32:53,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:32:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 393 proven. 24 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-11-06 22:32:57,772 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:33:01,376 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 33 proven. 24 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-06 22:33:01,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [26117349] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:33:01,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:33:01,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2023-11-06 22:33:01,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957348798] [2023-11-06 22:33:01,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:33:01,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:33:01,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:33:01,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:33:01,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:33:01,381 INFO L87 Difference]: Start difference. First operand 132 states and 201 transitions. Second operand has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 4 states have call successors, (48), 4 states have call predecessors, (48), 7 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-06 22:33:14,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:33:16,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:33:18,719 WARN L539 Checker$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 22:33:20,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:33:22,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:33:24,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:33:27,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:33:29,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:33:31,806 WARN L539 Checker$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 22:33:33,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:33:35,815 WARN L539 Checker$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 22:33:37,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:33:41,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:33:43,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:33:45,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:33:47,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:33:49,291 WARN L539 Checker$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 22:33:51,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:34:00,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []