./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9930e7e7388f7dfeb601d848298c3301ebab0d86295164196a4204cce117c042 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:20:52,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:20:52,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:20:52,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:20:52,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:20:52,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:20:52,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:20:52,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:20:52,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:20:52,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:20:52,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:20:52,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:20:52,226 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:20:52,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:20:52,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:20:52,228 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:20:52,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:20:52,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:20:52,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:20:52,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:20:52,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:20:52,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:20:52,231 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:20:52,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:20:52,232 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:20:52,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:20:52,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:20:52,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:20:52,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:52,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:20:52,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:20:52,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:20:52,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:20:52,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:20:52,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:20:52,245 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:20:52,245 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:20:52,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:20:52,246 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:20:52,246 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_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9930e7e7388f7dfeb601d848298c3301ebab0d86295164196a4204cce117c042 [2023-11-06 22:20:52,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:20:52,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:20:52,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:20:52,596 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:20:52,596 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:20:52,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i [2023-11-06 22:20:55,653 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:20:55,953 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:20:55,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i [2023-11-06 22:20:55,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/data/f4be08330/ddae04d251244918a0c508268e332d9c/FLAG1cb0586a9 [2023-11-06 22:20:55,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/data/f4be08330/ddae04d251244918a0c508268e332d9c [2023-11-06 22:20:55,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:20:55,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:20:55,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:55,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:20:56,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:20:56,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:55" (1/1) ... [2023-11-06 22:20:56,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44060d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56, skipping insertion in model container [2023-11-06 22:20:56,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:55" (1/1) ... [2023-11-06 22:20:56,044 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:20:56,206 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_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i[913,926] [2023-11-06 22:20:56,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:56,275 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:20:56,288 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_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i[913,926] [2023-11-06 22:20:56,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:56,338 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:20:56,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56 WrapperNode [2023-11-06 22:20:56,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:56,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:56,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:20:56,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:20:56,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56" (1/1) ... [2023-11-06 22:20:56,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56" (1/1) ... [2023-11-06 22:20:56,428 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98 [2023-11-06 22:20:56,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:56,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:20:56,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:20:56,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:20:56,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56" (1/1) ... [2023-11-06 22:20:56,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56" (1/1) ... [2023-11-06 22:20:56,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56" (1/1) ... [2023-11-06 22:20:56,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56" (1/1) ... [2023-11-06 22:20:56,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56" (1/1) ... [2023-11-06 22:20:56,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56" (1/1) ... [2023-11-06 22:20:56,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56" (1/1) ... [2023-11-06 22:20:56,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56" (1/1) ... [2023-11-06 22:20:56,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:20:56,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:20:56,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:20:56,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:20:56,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56" (1/1) ... [2023-11-06 22:20:56,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:56,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:56,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:20:56,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:20:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:20:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:20:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:20:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:20:56,670 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:20:56,672 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:20:57,033 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:20:57,040 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:20:57,040 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:20:57,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:57 BoogieIcfgContainer [2023-11-06 22:20:57,043 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:20:57,045 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:20:57,045 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:20:57,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:20:57,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:20:55" (1/3) ... [2023-11-06 22:20:57,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683b0820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:57, skipping insertion in model container [2023-11-06 22:20:57,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:56" (2/3) ... [2023-11-06 22:20:57,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683b0820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:57, skipping insertion in model container [2023-11-06 22:20:57,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:57" (3/3) ... [2023-11-06 22:20:57,052 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-31.i [2023-11-06 22:20:57,071 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:20:57,072 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:20:57,122 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:20:57,130 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@58791648, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:20:57,130 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:20:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:20:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:20:57,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:57,147 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:20:57,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:57,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:57,153 INFO L85 PathProgramCache]: Analyzing trace with hash -297880325, now seen corresponding path program 1 times [2023-11-06 22:20:57,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:57,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347128577] [2023-11-06 22:20:57,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:57,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:57,323 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:20:57,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1006698171] [2023-11-06 22:20:57,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:57,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:57,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:57,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:57,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:20:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:57,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:20:57,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:57,591 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-06 22:20:57,591 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:57,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:20:57,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347128577] [2023-11-06 22:20:57,592 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:20:57,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006698171] [2023-11-06 22:20:57,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006698171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:57,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:57,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:20:57,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353358829] [2023-11-06 22:20:57,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:57,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:20:57,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:20:57,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:20:57,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:20:57,656 INFO L87 Difference]: Start difference. First operand has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 22:20:57,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:57,687 INFO L93 Difference]: Finished difference Result 83 states and 139 transitions. [2023-11-06 22:20:57,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:20:57,689 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2023-11-06 22:20:57,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:57,698 INFO L225 Difference]: With dead ends: 83 [2023-11-06 22:20:57,698 INFO L226 Difference]: Without dead ends: 41 [2023-11-06 22:20:57,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:20:57,705 INFO L413 NwaCegarLoop]: 59 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, 59 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:57,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:20:57,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-06 22:20:57,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-06 22:20:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:20:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 59 transitions. [2023-11-06 22:20:57,756 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 59 transitions. Word has length 74 [2023-11-06 22:20:57,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:57,758 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 59 transitions. [2023-11-06 22:20:57,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 22:20:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2023-11-06 22:20:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:20:57,763 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:57,763 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:20:57,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:20:57,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:57,970 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:57,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:57,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1477127037, now seen corresponding path program 1 times [2023-11-06 22:20:57,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:20:57,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000255568] [2023-11-06 22:20:57,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:57,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:20:58,063 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:20:58,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2024311743] [2023-11-06 22:20:58,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:58,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:58,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:58,072 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:58,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:20:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:20:58,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:20:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:20:58,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:20:58,403 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:20:58,405 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:20:58,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 22:20:58,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:58,615 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:20:58,619 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:20:58,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:20:58 BoogieIcfgContainer [2023-11-06 22:20:58,702 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:20:58,702 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:20:58,703 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:20:58,703 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:20:58,703 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:57" (3/4) ... [2023-11-06 22:20:58,709 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:20:58,710 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:20:58,711 INFO L158 Benchmark]: Toolchain (without parser) took 2717.29ms. Allocated memory is still 165.7MB. Free memory was 135.7MB in the beginning and 127.4MB in the end (delta: 8.3MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-06 22:20:58,711 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:20:58,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.74ms. Allocated memory is still 165.7MB. Free memory was 135.7MB in the beginning and 123.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:20:58,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.22ms. Allocated memory is still 165.7MB. Free memory was 123.1MB in the beginning and 121.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:20:58,713 INFO L158 Benchmark]: Boogie Preprocessor took 43.15ms. Allocated memory is still 165.7MB. Free memory was 121.0MB in the beginning and 119.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:20:58,713 INFO L158 Benchmark]: RCFGBuilder took 567.46ms. Allocated memory is still 165.7MB. Free memory was 119.5MB in the beginning and 125.5MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:20:58,714 INFO L158 Benchmark]: TraceAbstraction took 1657.09ms. Allocated memory is still 165.7MB. Free memory was 125.0MB in the beginning and 127.4MB in the end (delta: -2.4MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2023-11-06 22:20:58,715 INFO L158 Benchmark]: Witness Printer took 7.58ms. Allocated memory is still 165.7MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:20:58,718 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.74ms. Allocated memory is still 165.7MB. Free memory was 135.7MB in the beginning and 123.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.22ms. Allocated memory is still 165.7MB. Free memory was 123.1MB in the beginning and 121.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.15ms. Allocated memory is still 165.7MB. Free memory was 121.0MB in the beginning and 119.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 567.46ms. Allocated memory is still 165.7MB. Free memory was 119.5MB in the beginning and 125.5MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1657.09ms. Allocated memory is still 165.7MB. Free memory was 125.0MB in the beginning and 127.4MB in the end (delta: -2.4MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. * Witness Printer took 7.58ms. Allocated memory is still 165.7MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 200; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 1107940323; [L25] unsigned char var_1_6 = 0; [L26] signed long int var_1_7 = 4; [L27] signed long int var_1_8 = -32; [L28] unsigned char var_1_9 = 64; [L29] unsigned char var_1_12 = 4; [L30] double var_1_13 = 0.97; [L31] double var_1_14 = 32.6; [L32] signed long int last_1_var_1_7 = 4; [L33] double last_1_var_1_13 = 0.97; VAL [isInitial=0, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=0, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L92] last_1_var_1_7 = var_1_7 [L93] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=0, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L103] RET updateLastVariables() [L104] CALL updateVariables() [L73] var_1_2 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L74] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L75] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L75] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1107940323, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L76] var_1_3 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_3 >= 1073741822) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L77] RET assume_abort_if_not(var_1_3 >= 1073741822) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L78] CALL assume_abort_if_not(var_1_3 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L78] RET assume_abort_if_not(var_1_3 <= 2147483646) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=0, var_1_7=4, var_1_8=-32, var_1_9=64] [L79] var_1_6 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L81] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L81] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=-32, var_1_9=64] [L82] var_1_8 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L83] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L84] CALL assume_abort_if_not(var_1_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L84] RET assume_abort_if_not(var_1_8 <= 1073741823) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=4, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L85] var_1_12 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L86] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L87] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L87] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=163/5, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L88] var_1_14 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=2, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=2, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L89] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=2, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=64] [L104] RET updateVariables() [L105] CALL step() [L37] COND FALSE !(! (var_1_3 < (var_1_8 * last_1_var_1_7))) [L44] var_1_9 = var_1_12 VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=2, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=4, var_1_8=268435456, var_1_9=1] [L46] COND FALSE !(var_1_9 < var_1_9) [L49] var_1_7 = (var_1_9 - var_1_3) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=97/100, var_1_14=2, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L51] COND FALSE !((var_1_9 + var_1_3) < var_1_9) [L62] var_1_13 = var_1_14 VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=200, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L64] COND TRUE \read(var_1_2) [L65] var_1_1 = ((var_1_3 - var_1_9) - var_1_9) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=1073741821, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L105] RET step() [L106] CALL, EXPR property() [L96-L97] return (((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_9) - var_1_9))) : ((var_1_6 && (var_1_3 < var_1_9)) ? (var_1_1 == ((signed long int) var_1_3)) : 1)) && ((var_1_9 < var_1_9) ? (var_1_7 == ((signed long int) (var_1_9 + var_1_9))) : (var_1_7 == ((signed long int) (var_1_9 - var_1_3))))) && ((! (var_1_3 < (var_1_8 * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? (var_1_6 ? (var_1_9 == ((unsigned char) var_1_12)) : 1) : 1) : (var_1_9 == ((unsigned char) var_1_12)))) && (((var_1_9 + var_1_3) < var_1_9) ? ((var_1_2 && var_1_6) ? (var_1_6 ? (var_1_13 == ((double) 0.8)) : (var_1_13 == ((double) var_1_14))) : (var_1_13 == ((double) var_1_14))) : (var_1_13 == ((double) var_1_14))) ; VAL [\result=0, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=1073741821, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=1073741821, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12=1, var_1_13=2, var_1_14=2, var_1_1=1073741821, var_1_2=1, var_1_3=1073741823, var_1_6=1, var_1_7=-1073741822, var_1_8=268435456, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 59 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 192 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:20:58,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9930e7e7388f7dfeb601d848298c3301ebab0d86295164196a4204cce117c042 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:21:01,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:21:01,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:21:01,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:21:01,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:21:01,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:21:01,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:21:01,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:21:01,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:21:01,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:21:01,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:21:01,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:21:01,702 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:21:01,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:21:01,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:21:01,706 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:21:01,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:21:01,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:21:01,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:21:01,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:21:01,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:21:01,709 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:21:01,709 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:21:01,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:21:01,710 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:21:01,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:21:01,711 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:21:01,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:21:01,712 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:21:01,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:21:01,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:21:01,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:21:01,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:21:01,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:21:01,715 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:21:01,715 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:21:01,715 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:21:01,716 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:21:01,716 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:21:01,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:21:01,717 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:21:01,718 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:21:01,718 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_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9930e7e7388f7dfeb601d848298c3301ebab0d86295164196a4204cce117c042 [2023-11-06 22:21:02,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:21:02,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:21:02,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:21:02,188 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:21:02,189 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:21:02,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i [2023-11-06 22:21:05,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:21:05,866 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:21:05,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i [2023-11-06 22:21:05,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/data/685d2b638/cd4415c2796049a7bde740916d78a022/FLAG368d41712 [2023-11-06 22:21:05,890 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/data/685d2b638/cd4415c2796049a7bde740916d78a022 [2023-11-06 22:21:05,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:21:05,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:21:05,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:05,896 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:21:05,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:21:05,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42aeb9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:05, skipping insertion in model container [2023-11-06 22:21:05,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:05" (1/1) ... [2023-11-06 22:21:05,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:21:06,102 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_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i[913,926] [2023-11-06 22:21:06,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:06,168 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:21:06,187 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_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-31.i[913,926] [2023-11-06 22:21:06,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:06,257 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:21:06,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06 WrapperNode [2023-11-06 22:21:06,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:06,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:06,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:21:06,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:21:06,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,330 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2023-11-06 22:21:06,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:06,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:21:06,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:21:06,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:21:06,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:21:06,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:21:06,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:21:06,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:21:06,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (1/1) ... [2023-11-06 22:21:06,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:21:06,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:06,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:21:06,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:21:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:21:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:21:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:21:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:21:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:21:06,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:21:06,651 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:21:06,653 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:21:07,001 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:21:07,008 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:21:07,008 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:21:07,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:07 BoogieIcfgContainer [2023-11-06 22:21:07,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:21:07,020 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:21:07,020 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:21:07,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:21:07,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:21:05" (1/3) ... [2023-11-06 22:21:07,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77fa238e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:07, skipping insertion in model container [2023-11-06 22:21:07,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:06" (2/3) ... [2023-11-06 22:21:07,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77fa238e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:07, skipping insertion in model container [2023-11-06 22:21:07,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:07" (3/3) ... [2023-11-06 22:21:07,027 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-31.i [2023-11-06 22:21:07,046 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:21:07,046 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:21:07,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:21:07,109 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c79085b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:21:07,110 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:21:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:21:07,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:21:07,126 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:07,127 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:07,128 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:07,135 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:07,136 INFO L85 PathProgramCache]: Analyzing trace with hash -297880325, now seen corresponding path program 1 times [2023-11-06 22:21:07,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:07,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829636837] [2023-11-06 22:21:07,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:07,151 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:21:07,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:07,160 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:21:07,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:21:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:07,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:21:07,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-06 22:21:07,438 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:07,439 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:21:07,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829636837] [2023-11-06 22:21:07,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829636837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:07,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:07,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:21:07,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332686801] [2023-11-06 22:21:07,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:07,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:21:07,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:07,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:21:07,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:21:07,482 INFO L87 Difference]: Start difference. First operand has 45 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 22:21:07,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:07,511 INFO L93 Difference]: Finished difference Result 82 states and 137 transitions. [2023-11-06 22:21:07,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:21:07,513 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2023-11-06 22:21:07,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:07,521 INFO L225 Difference]: With dead ends: 82 [2023-11-06 22:21:07,521 INFO L226 Difference]: Without dead ends: 40 [2023-11-06 22:21:07,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:21:07,541 INFO L413 NwaCegarLoop]: 56 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, 56 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:07,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:21:07,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-06 22:21:07,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-06 22:21:07,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:21:07,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2023-11-06 22:21:07,586 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 74 [2023-11-06 22:21:07,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:07,588 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2023-11-06 22:21:07,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 22:21:07,592 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2023-11-06 22:21:07,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:21:07,598 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:07,598 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:07,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:07,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:21:07,813 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:07,814 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:07,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1477127037, now seen corresponding path program 1 times [2023-11-06 22:21:07,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:21:07,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543547742] [2023-11-06 22:21:07,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:07,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:21:07,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:21:07,820 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:21:07,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:21:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:08,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 22:21:08,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-06 22:22:58,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:58,136 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:22:58,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543547742] [2023-11-06 22:22:58,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543547742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:58,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:58,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:22:58,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403952242] [2023-11-06 22:22:58,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:58,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:22:58,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:22:58,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:22:58,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:22:58,143 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 22:23:01,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:04,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:04,185 INFO L93 Difference]: Finished difference Result 140 states and 195 transitions. [2023-11-06 22:23:04,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:23:04,187 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2023-11-06 22:23:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:04,191 INFO L225 Difference]: With dead ends: 140 [2023-11-06 22:23:04,192 INFO L226 Difference]: Without dead ends: 138 [2023-11-06 22:23:04,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=132, Invalid=420, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:23:04,195 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 150 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 48 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:04,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 415 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 314 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2023-11-06 22:23:04,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-06 22:23:04,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 74. [2023-11-06 22:23:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 48 states have internal predecessors, (58), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:23:04,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2023-11-06 22:23:04,233 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 74 [2023-11-06 22:23:04,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:04,234 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2023-11-06 22:23:04,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 22:23:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2023-11-06 22:23:04,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-06 22:23:04,237 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:04,237 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:04,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:04,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:04,445 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:04,445 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:04,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1400200324, now seen corresponding path program 1 times [2023-11-06 22:23:04,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:04,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778547317] [2023-11-06 22:23:04,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:04,447 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:04,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:04,454 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:23:04,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:23:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:04,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:23:04,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:04,723 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-06 22:23:04,723 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:04,797 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:04,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778547317] [2023-11-06 22:23:04,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [778547317] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:04,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1569461961] [2023-11-06 22:23:04,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:04,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:23:04,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:23:04,808 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:23:04,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-06 22:23:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:05,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:23:05,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-06 22:23:05,668 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:05,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1569461961] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:05,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:23:05,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2023-11-06 22:23:05,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015781456] [2023-11-06 22:23:05,700 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:05,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:23:05,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:05,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:23:05,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:23:05,703 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:23:06,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:06,105 INFO L93 Difference]: Finished difference Result 123 states and 165 transitions. [2023-11-06 22:23:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:23:06,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2023-11-06 22:23:06,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:06,111 INFO L225 Difference]: With dead ends: 123 [2023-11-06 22:23:06,111 INFO L226 Difference]: Without dead ends: 86 [2023-11-06 22:23:06,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:23:06,113 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 27 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:06,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 80 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:23:06,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-06 22:23:06,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2023-11-06 22:23:06,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 54 states have internal predecessors, (63), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-06 22:23:06,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 107 transitions. [2023-11-06 22:23:06,144 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 107 transitions. Word has length 75 [2023-11-06 22:23:06,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:06,150 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 107 transitions. [2023-11-06 22:23:06,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:23:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2023-11-06 22:23:06,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-06 22:23:06,153 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:06,153 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:06,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:06,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-06 22:23:06,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:06,559 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:06,560 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:06,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1398353282, now seen corresponding path program 1 times [2023-11-06 22:23:06,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:06,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988055802] [2023-11-06 22:23:06,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:06,562 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:23:06,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:06,563 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:23:06,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85bf0dc6-5d8a-4ae6-beb2-a59d351cd380/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-06 22:23:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:06,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 22:23:06,734 INFO L285 TraceCheckSpWp]: Computing forward predicates...