./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --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 3ea023f6cbb338179738454eaa70c32d24154ea41da675a4be6f8e2c1cb35ad0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:32:08,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:32:08,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:32:08,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:32:08,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:32:08,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:32:08,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:32:08,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:32:08,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:32:08,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:32:08,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:32:08,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:32:08,443 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:32:08,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:32:08,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:32:08,446 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:32:08,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:32:08,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:32:08,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:32:08,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:32:08,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:32:08,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:32:08,449 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:32:08,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:32:08,450 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:32:08,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:32:08,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:32:08,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:32:08,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:08,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:32:08,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:32:08,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:32:08,454 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:32:08,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:32:08,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:32:08,455 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:32:08,455 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:32:08,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:32:08,456 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:32:08,456 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_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ea023f6cbb338179738454eaa70c32d24154ea41da675a4be6f8e2c1cb35ad0 [2023-11-12 02:32:08,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:32:08,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:32:08,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:32:08,806 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:32:08,807 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:32:08,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-2.i [2023-11-12 02:32:11,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:32:12,218 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:32:12,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-2.i [2023-11-12 02:32:12,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/data/5d56b9093/d73073e5cb0742ad92e2a68dc6a85cdb/FLAGa8c33c506 [2023-11-12 02:32:12,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/data/5d56b9093/d73073e5cb0742ad92e2a68dc6a85cdb [2023-11-12 02:32:12,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:32:12,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:32:12,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:12,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:32:12,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:32:12,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:12" (1/1) ... [2023-11-12 02:32:12,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51546260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12, skipping insertion in model container [2023-11-12 02:32:12,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:12" (1/1) ... [2023-11-12 02:32:12,299 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:32:12,508 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_800bb331-513d-4b19-9e97-191cc6c58470/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-2.i[918,931] [2023-11-12 02:32:12,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:12,612 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:32:12,628 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_800bb331-513d-4b19-9e97-191cc6c58470/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-2.i[918,931] [2023-11-12 02:32:12,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:12,704 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:32:12,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12 WrapperNode [2023-11-12 02:32:12,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:12,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:12,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:32:12,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:32:12,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12" (1/1) ... [2023-11-12 02:32:12,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12" (1/1) ... [2023-11-12 02:32:12,789 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2023-11-12 02:32:12,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:12,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:32:12,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:32:12,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:32:12,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12" (1/1) ... [2023-11-12 02:32:12,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12" (1/1) ... [2023-11-12 02:32:12,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12" (1/1) ... [2023-11-12 02:32:12,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12" (1/1) ... [2023-11-12 02:32:12,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12" (1/1) ... [2023-11-12 02:32:12,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12" (1/1) ... [2023-11-12 02:32:12,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12" (1/1) ... [2023-11-12 02:32:12,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12" (1/1) ... [2023-11-12 02:32:12,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:32:12,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:32:12,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:32:12,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:32:12,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12" (1/1) ... [2023-11-12 02:32:12,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:12,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:12,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:32:12,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:32:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:32:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:32:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:32:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:32:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:32:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:32:13,067 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:32:13,069 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:32:13,409 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:32:13,416 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:32:13,416 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:32:13,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:13 BoogieIcfgContainer [2023-11-12 02:32:13,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:32:13,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:32:13,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:32:13,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:32:13,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:32:12" (1/3) ... [2023-11-12 02:32:13,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d183af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:13, skipping insertion in model container [2023-11-12 02:32:13,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:12" (2/3) ... [2023-11-12 02:32:13,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d183af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:13, skipping insertion in model container [2023-11-12 02:32:13,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:13" (3/3) ... [2023-11-12 02:32:13,458 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-2.i [2023-11-12 02:32:13,505 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:32:13,505 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:32:13,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:32:13,570 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=LoopHeads, 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;@24493d19, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:32:13,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:32:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-12 02:32:13,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-12 02:32:13,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:13,605 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:13,605 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:13,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:13,612 INFO L85 PathProgramCache]: Analyzing trace with hash 235216986, now seen corresponding path program 1 times [2023-11-12 02:32:13,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:13,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133369523] [2023-11-12 02:32:13,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:13,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:13,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:13,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133369523] [2023-11-12 02:32:13,884 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:32:13,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517410908] [2023-11-12 02:32:13,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:13,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:13,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:13,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:13,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:32:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:14,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:32:14,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:14,178 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-12 02:32:14,182 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:32:14,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517410908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:14,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:14,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:14,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506788561] [2023-11-12 02:32:14,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:14,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:32:14,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:14,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:32:14,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:32:14,229 INFO L87 Difference]: Start difference. First operand has 52 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:32:14,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:14,260 INFO L93 Difference]: Finished difference Result 97 states and 161 transitions. [2023-11-12 02:32:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:32:14,262 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2023-11-12 02:32:14,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:14,269 INFO L225 Difference]: With dead ends: 97 [2023-11-12 02:32:14,269 INFO L226 Difference]: Without dead ends: 48 [2023-11-12 02:32:14,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:32:14,277 INFO L413 NwaCegarLoop]: 68 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, 68 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 [2023-11-12 02:32:14,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:14,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-12 02:32:14,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-12 02:32:14,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-12 02:32:14,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2023-11-12 02:32:14,326 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 90 [2023-11-12 02:32:14,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:14,326 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 68 transitions. [2023-11-12 02:32:14,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:32:14,327 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2023-11-12 02:32:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-12 02:32:14,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:14,332 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:14,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 02:32:14,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:32:14,539 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:14,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:14,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1298082539, now seen corresponding path program 1 times [2023-11-12 02:32:14,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:14,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637431930] [2023-11-12 02:32:14,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:14,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:14,653 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:32:14,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [333454806] [2023-11-12 02:32:14,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:14,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:14,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:14,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:14,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:32:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:15,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 02:32:15,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:15,336 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 147 proven. 9 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-12 02:32:15,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:32:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:32:15,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:15,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637431930] [2023-11-12 02:32:15,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:32:15,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333454806] [2023-11-12 02:32:15,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333454806] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:32:15,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:32:15,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-12 02:32:15,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555492110] [2023-11-12 02:32:15,647 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:32:15,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 02:32:15,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:15,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 02:32:15,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:32:15,651 INFO L87 Difference]: Start difference. First operand 48 states and 68 transitions. Second operand has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 5 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 5 states have call successors, (17) [2023-11-12 02:32:16,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:16,023 INFO L93 Difference]: Finished difference Result 121 states and 168 transitions. [2023-11-12 02:32:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 02:32:16,024 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 5 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 5 states have call successors, (17) Word has length 91 [2023-11-12 02:32:16,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:16,027 INFO L225 Difference]: With dead ends: 121 [2023-11-12 02:32:16,027 INFO L226 Difference]: Without dead ends: 76 [2023-11-12 02:32:16,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2023-11-12 02:32:16,030 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 96 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:16,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 172 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:32:16,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-12 02:32:16,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2023-11-12 02:32:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:32:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 99 transitions. [2023-11-12 02:32:16,053 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 99 transitions. Word has length 91 [2023-11-12 02:32:16,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:16,054 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 99 transitions. [2023-11-12 02:32:16,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 5 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 5 states have call successors, (17) [2023-11-12 02:32:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2023-11-12 02:32:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-12 02:32:16,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:16,059 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:16,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:16,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-12 02:32:16,265 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:16,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:16,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1243244940, now seen corresponding path program 1 times [2023-11-12 02:32:16,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:16,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636673667] [2023-11-12 02:32:16,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:16,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:16,309 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:32:16,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536922831] [2023-11-12 02:32:16,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:16,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:16,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:16,312 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:16,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:32:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:32:16,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:32:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:32:16,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:32:16,645 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:32:16,646 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:32:16,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:16,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:16,857 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 02:32:16,860 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:32:16,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:32:16 BoogieIcfgContainer [2023-11-12 02:32:16,972 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:32:16,972 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:32:16,972 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:32:16,973 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:32:16,973 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:13" (3/4) ... [2023-11-12 02:32:16,975 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:32:16,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:32:16,977 INFO L158 Benchmark]: Toolchain (without parser) took 4727.22ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 82.1MB in the beginning and 107.8MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:32:16,978 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:32:16,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.31ms. Allocated memory is still 123.7MB. Free memory was 82.1MB in the beginning and 69.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:32:16,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.18ms. Allocated memory is still 123.7MB. Free memory was 69.0MB in the beginning and 66.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:32:16,979 INFO L158 Benchmark]: Boogie Preprocessor took 66.48ms. Allocated memory is still 123.7MB. Free memory was 66.6MB in the beginning and 64.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:32:16,980 INFO L158 Benchmark]: RCFGBuilder took 564.52ms. Allocated memory is still 123.7MB. Free memory was 64.9MB in the beginning and 49.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:32:16,981 INFO L158 Benchmark]: TraceAbstraction took 3526.02ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 94.2MB in the beginning and 107.8MB in the end (delta: -13.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-12 02:32:16,981 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 148.9MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:32:16,984 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.31ms. Allocated memory is still 123.7MB. Free memory was 82.1MB in the beginning and 69.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.18ms. Allocated memory is still 123.7MB. Free memory was 69.0MB in the beginning and 66.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.48ms. Allocated memory is still 123.7MB. Free memory was 66.6MB in the beginning and 64.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.52ms. Allocated memory is still 123.7MB. Free memory was 64.9MB in the beginning and 49.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3526.02ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 94.2MB in the beginning and 107.8MB in the end (delta: -13.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 148.9MB. Free memory is still 107.8MB. 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 116, overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryArithmeticDOUBLEoperation at line 85. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.95; [L23] float var_1_4 = 9999999.8; [L24] float var_1_5 = 8.6; [L25] unsigned long int var_1_6 = 10000; [L26] double var_1_8 = 64.5; [L27] float var_1_10 = 255.25; [L28] float var_1_11 = 7.5; [L29] float var_1_12 = 0.0; [L30] float var_1_13 = 64.8; [L31] double var_1_14 = 127.75; [L32] signed char var_1_15 = 8; [L33] signed char var_1_16 = 32; [L34] unsigned char var_1_17 = 0; [L35] unsigned char var_1_18 = 0; [L36] double var_1_19 = 2.25; [L37] unsigned char var_1_20 = 0; [L38] unsigned short int var_1_21 = 256; [L39] unsigned long int last_1_var_1_6 = 10000; VAL [isInitial=0, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] CALL updateLastVariables() [L113] last_1_var_1_6 = var_1_6 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_4=49999999/5, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L123] RET updateLastVariables() [L124] CALL updateVariables() [L89] var_1_4 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L90] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=43/5, var_1_6=10000, var_1_8=129/2] [L91] var_1_5 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=129/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=129/2] [L92] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=129/2] [L93] var_1_8 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L94] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=15/2, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L95] var_1_11 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L96] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L97] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L97] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=0, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L98] var_1_12 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && 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_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L99] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && 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_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=324/5, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L100] var_1_13 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L101] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=8, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L102] var_1_15 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L103] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L104] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L104] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=32, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L105] var_1_16 = __VERIFIER_nondet_char() [L106] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L106] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L107] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L107] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L108] var_1_18 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L109] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L110] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L110] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=511/4, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L124] RET updateVariables() [L125] CALL step() [L43] COND TRUE (var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > last_1_var_1_6 [L44] var_1_14 = var_1_12 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=1021/4, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L46] COND FALSE !((var_1_5 / var_1_11) >= (var_1_8 - var_1_4)) [L49] var_1_10 = 4.2f VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=0, var_1_21=256, var_1_5=2, var_1_6=10000, var_1_8=3] [L51] var_1_20 = var_1_16 [L52] var_1_21 = var_1_16 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=10000, var_1_8=3] [L53] COND TRUE var_1_21 <= (var_1_16 * var_1_20) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=10000, var_1_8=3] [L54] COND TRUE (var_1_5 + var_1_14) <= 127.025f [L55] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=10000, var_1_8=3] [L62] COND FALSE !(\read(var_1_17)) [L73] var_1_6 = var_1_20 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] [L75] COND TRUE var_1_6 <= var_1_6 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=79/20, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] [L76] COND FALSE !(var_1_6 > var_1_6) [L79] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=9/4, var_1_1=2, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] [L84] COND TRUE var_1_1 < var_1_11 [L85] var_1_19 = (var_1_13 - 256.4) VAL [isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] [L125] RET step() [L126] CALL, EXPR property() [L116-L117] return ((((((((var_1_6 <= var_1_6) ? ((var_1_6 > var_1_6) ? (var_1_1 == ((float) (var_1_4 - var_1_5))) : (var_1_1 == ((float) var_1_5))) : (var_1_1 == ((float) var_1_4))) && (var_1_17 ? ((((((var_1_14) > (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78))))) ? (var_1_14) : (((((var_1_5) > (199.78)) ? (var_1_5) : (199.78)))))) != (var_1_4 - var_1_8)) ? (((var_1_20 != var_1_20) || var_1_17) ? (var_1_6 == ((unsigned long int) var_1_20)) : (var_1_6 == ((unsigned long int) 5u))) : (var_1_6 == ((unsigned long int) var_1_20))) : (var_1_6 == ((unsigned long int) var_1_20)))) && (((var_1_5 / var_1_11) >= (var_1_8 - var_1_4)) ? (var_1_10 == ((float) (((((var_1_5 - (var_1_12 - var_1_13))) < (var_1_4)) ? ((var_1_5 - (var_1_12 - var_1_13))) : (var_1_4))))) : (var_1_10 == ((float) 4.2f)))) && (((var_1_15 - ((((0) < (var_1_16)) ? (0) : (var_1_16)))) > last_1_var_1_6) ? (var_1_14 == ((double) var_1_12)) : 1)) && ((var_1_21 <= (var_1_16 * var_1_20)) ? (((var_1_5 + var_1_14) <= 127.025f) ? (var_1_17 == ((unsigned char) var_1_18)) : (var_1_17 == ((unsigned char) var_1_18))) : (var_1_17 == ((unsigned char) var_1_18)))) && ((var_1_1 < var_1_11) ? (var_1_19 == ((double) (var_1_13 - 256.4))) : 1)) && (var_1_20 == ((unsigned char) var_1_16))) && (var_1_21 == ((unsigned short int) var_1_16)) ; VAL [\result=0, isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=10000, var_1_10=21/5, var_1_11=4, var_1_12=5, var_1_13=6, var_1_14=5, var_1_15=-1, var_1_16=1, var_1_17=0, var_1_18=0, var_1_1=2, var_1_20=1, var_1_21=1, var_1_5=2, var_1_6=1, var_1_8=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 240 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 107 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 221 IncrementalHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 133 mSDtfsCounter, 221 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 363 NumberOfCodeBlocks, 363 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 269 ConstructedInterpolants, 0 QuantifiedInterpolants, 590 SizeOfPredicates, 4 NumberOfNonLiveVariables, 472 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 918/936 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 [2023-11-12 02:32:17,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --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 3ea023f6cbb338179738454eaa70c32d24154ea41da675a4be6f8e2c1cb35ad0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:32:19,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:32:19,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:32:19,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:32:19,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:32:19,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:32:19,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:32:19,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:32:19,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:32:19,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:32:19,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:32:19,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:32:19,930 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:32:19,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:32:19,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:32:19,933 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:32:19,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:32:19,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:32:19,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:32:19,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:32:19,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:32:19,936 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:32:19,937 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:32:19,937 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:32:19,938 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:32:19,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:32:19,939 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:32:19,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:32:19,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:32:19,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:32:19,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:19,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:32:19,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:32:19,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:32:19,943 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:32:19,943 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:32:19,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:32:19,944 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:32:19,944 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:32:19,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:32:19,945 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:32:19,946 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:32:19,946 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_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ea023f6cbb338179738454eaa70c32d24154ea41da675a4be6f8e2c1cb35ad0 [2023-11-12 02:32:20,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:32:20,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:32:20,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:32:20,460 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:32:20,461 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:32:20,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-2.i [2023-11-12 02:32:23,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:32:23,948 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:32:23,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-2.i [2023-11-12 02:32:23,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/data/b1fd17c4e/787beb2ee13d446c8feb063adb1e8fce/FLAGa2a72258e [2023-11-12 02:32:23,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/data/b1fd17c4e/787beb2ee13d446c8feb063adb1e8fce [2023-11-12 02:32:23,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:32:23,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:32:23,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:23,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:32:24,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:32:24,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:23" (1/1) ... [2023-11-12 02:32:24,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c116879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24, skipping insertion in model container [2023-11-12 02:32:24,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:23" (1/1) ... [2023-11-12 02:32:24,048 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:32:24,232 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_800bb331-513d-4b19-9e97-191cc6c58470/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-2.i[918,931] [2023-11-12 02:32:24,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:24,321 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:32:24,337 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_800bb331-513d-4b19-9e97-191cc6c58470/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-2.i[918,931] [2023-11-12 02:32:24,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:24,425 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:32:24,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24 WrapperNode [2023-11-12 02:32:24,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:24,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:24,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:32:24,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:32:24,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24" (1/1) ... [2023-11-12 02:32:24,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24" (1/1) ... [2023-11-12 02:32:24,518 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2023-11-12 02:32:24,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:24,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:32:24,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:32:24,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:32:24,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24" (1/1) ... [2023-11-12 02:32:24,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24" (1/1) ... [2023-11-12 02:32:24,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24" (1/1) ... [2023-11-12 02:32:24,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24" (1/1) ... [2023-11-12 02:32:24,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24" (1/1) ... [2023-11-12 02:32:24,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24" (1/1) ... [2023-11-12 02:32:24,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24" (1/1) ... [2023-11-12 02:32:24,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24" (1/1) ... [2023-11-12 02:32:24,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:32:24,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:32:24,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:32:24,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:32:24,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24" (1/1) ... [2023-11-12 02:32:24,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:24,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:24,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:32:24,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:32:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:32:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:32:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:32:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:32:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:32:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:32:24,874 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:32:24,877 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:32:36,031 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:32:36,037 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:32:36,038 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:32:36,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:36 BoogieIcfgContainer [2023-11-12 02:32:36,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:32:36,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:32:36,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:32:36,046 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:32:36,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:32:23" (1/3) ... [2023-11-12 02:32:36,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b371c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:36, skipping insertion in model container [2023-11-12 02:32:36,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:24" (2/3) ... [2023-11-12 02:32:36,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b371c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:36, skipping insertion in model container [2023-11-12 02:32:36,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:36" (3/3) ... [2023-11-12 02:32:36,050 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-2.i [2023-11-12 02:32:36,069 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:32:36,070 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:32:36,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:32:36,128 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=LoopHeads, 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;@750b5fd5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:32:36,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:32:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-12 02:32:36,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-12 02:32:36,145 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:36,146 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:36,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:36,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:36,153 INFO L85 PathProgramCache]: Analyzing trace with hash 235216986, now seen corresponding path program 1 times [2023-11-12 02:32:36,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:32:36,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113394259] [2023-11-12 02:32:36,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:36,189 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 [2023-11-12 02:32:36,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:32:36,200 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:32:36,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:32:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:37,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:32:37,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:37,188 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-12 02:32:37,191 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:32:37,192 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:32:37,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113394259] [2023-11-12 02:32:37,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113394259] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:37,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:37,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:37,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644494682] [2023-11-12 02:32:37,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:37,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:32:37,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:32:37,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:32:37,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:32:37,256 INFO L87 Difference]: Start difference. First operand has 52 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-12 02:32:37,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:37,321 INFO L93 Difference]: Finished difference Result 97 states and 161 transitions. [2023-11-12 02:32:37,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:32:37,325 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 90 [2023-11-12 02:32:37,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:37,340 INFO L225 Difference]: With dead ends: 97 [2023-11-12 02:32:37,340 INFO L226 Difference]: Without dead ends: 48 [2023-11-12 02:32:37,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:32:37,351 INFO L413 NwaCegarLoop]: 68 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, 68 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 [2023-11-12 02:32:37,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:37,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-12 02:32:37,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-12 02:32:37,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-12 02:32:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2023-11-12 02:32:37,421 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 90 [2023-11-12 02:32:37,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:37,422 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 68 transitions. [2023-11-12 02:32:37,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-12 02:32:37,423 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2023-11-12 02:32:37,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-12 02:32:37,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:37,432 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:37,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:37,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:32:37,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:37,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:37,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1298082539, now seen corresponding path program 1 times [2023-11-12 02:32:37,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:32:37,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877012288] [2023-11-12 02:32:37,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:37,649 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 [2023-11-12 02:32:37,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:32:37,677 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:32:37,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:32:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:38,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:32:38,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:39,036 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-12 02:32:39,037 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:32:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:32:39,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:32:39,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877012288] [2023-11-12 02:32:39,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877012288] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:32:39,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:32:39,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-12 02:32:39,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965613561] [2023-11-12 02:32:39,892 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:32:39,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:32:39,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:32:39,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:32:39,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:32:39,896 INFO L87 Difference]: Start difference. First operand 48 states and 68 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 02:32:43,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:32:44,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:32:47,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:32:49,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:32:51,102 WARN L539 Checker$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 [] [2023-11-12 02:32:51,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:51,959 INFO L93 Difference]: Finished difference Result 123 states and 170 transitions. [2023-11-12 02:32:51,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 02:32:51,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 91 [2023-11-12 02:32:51,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:51,963 INFO L225 Difference]: With dead ends: 123 [2023-11-12 02:32:51,964 INFO L226 Difference]: Without dead ends: 78 [2023-11-12 02:32:51,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2023-11-12 02:32:51,967 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 145 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 41 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:51,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 158 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 175 Invalid, 4 Unknown, 0 Unchecked, 11.6s Time] [2023-11-12 02:32:51,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-12 02:32:51,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 73. [2023-11-12 02:32:51,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:32:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 99 transitions. [2023-11-12 02:32:51,999 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 99 transitions. Word has length 91 [2023-11-12 02:32:52,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:52,000 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 99 transitions. [2023-11-12 02:32:52,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 02:32:52,001 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2023-11-12 02:32:52,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-12 02:32:52,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:52,004 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:52,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:52,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:32:52,229 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:52,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:52,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1243244940, now seen corresponding path program 1 times [2023-11-12 02:32:52,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:32:52,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548497293] [2023-11-12 02:32:52,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:52,231 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 [2023-11-12 02:32:52,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:32:52,232 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:32:52,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800bb331-513d-4b19-9e97-191cc6c58470/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 02:32:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:53,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-12 02:32:53,097 INFO L285 TraceCheckSpWp]: Computing forward predicates...