./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11631ade7f4802c0df912c1c8c774ea3be3e8c755291fcf699ca7b6debf1cc73 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:45,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:45,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:16:45,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:45,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:45,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:45,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:45,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:45,400 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:16:45,400 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:16:45,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:45,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:45,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:45,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:45,406 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:45,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:45,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:45,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:16:45,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:16:45,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:16:45,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:45,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:45,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:45,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:45,409 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:45,409 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:16:45,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:45,410 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:45,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:45,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:45,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:16:45,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:45,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:45,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:45,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:45,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:45,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:16:45,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:16:45,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:45,413 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:45,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:45,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:45,415 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_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11631ade7f4802c0df912c1c8c774ea3be3e8c755291fcf699ca7b6debf1cc73 [2024-10-31 22:16:45,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:45,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:45,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:45,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:45,691 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:45,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i Unable to find full path for "g++" [2024-10-31 22:16:47,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:48,043 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:48,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i [2024-10-31 22:16:48,063 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/data/1ae2c0b74/6fb1530fc47b46deae9510493a359341/FLAG3a7987d32 [2024-10-31 22:16:48,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/data/1ae2c0b74/6fb1530fc47b46deae9510493a359341 [2024-10-31 22:16:48,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:48,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:48,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:48,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:48,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:48,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198cb909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48, skipping insertion in model container [2024-10-31 22:16:48,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:48,367 WARN L251 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_d019b21f-f458-4d6e-bc42-f9c8a409db18/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i[912,925] [2024-10-31 22:16:48,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:48,452 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:48,466 WARN L251 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_d019b21f-f458-4d6e-bc42-f9c8a409db18/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i[912,925] [2024-10-31 22:16:48,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:48,525 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:48,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48 WrapperNode [2024-10-31 22:16:48,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:48,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:48,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:48,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:48,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,571 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-10-31 22:16:48,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:48,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:48,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:48,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:48,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,587 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,600 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:16:48,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:48,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:48,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:48,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:48,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48" (1/1) ... [2024-10-31 22:16:48,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:48,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:48,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:48,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:16:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:16:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:16:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:48,777 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:48,781 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:16:49,049 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-31 22:16:49,049 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:16:49,069 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:16:49,070 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:16:49,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:49 BoogieIcfgContainer [2024-10-31 22:16:49,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:16:49,073 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:16:49,073 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:16:49,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:16:49,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:48" (1/3) ... [2024-10-31 22:16:49,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797ce50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:49, skipping insertion in model container [2024-10-31 22:16:49,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:48" (2/3) ... [2024-10-31 22:16:49,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797ce50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:49, skipping insertion in model container [2024-10-31 22:16:49,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:49" (3/3) ... [2024-10-31 22:16:49,081 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-3.i [2024-10-31 22:16:49,101 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:16:49,102 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:16:49,186 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:16:49,192 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4dc63521, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:16:49,192 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:16:49,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:16:49,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-31 22:16:49,210 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:49,211 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:49,213 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:49,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:49,219 INFO L85 PathProgramCache]: Analyzing trace with hash 55740261, now seen corresponding path program 1 times [2024-10-31 22:16:49,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:49,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318608075] [2024-10-31 22:16:49,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:49,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:16:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:16:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:16:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:16:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:16:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:16:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:16:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:16:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:16:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:16:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:16:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:16:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:16:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:16:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:16:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:16:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-31 22:16:49,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:49,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318608075] [2024-10-31 22:16:49,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318608075] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:49,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:49,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:49,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837939185] [2024-10-31 22:16:49,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:49,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:16:49,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:49,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:16:49,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:16:49,725 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-31 22:16:49,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:49,774 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2024-10-31 22:16:49,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:16:49,778 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2024-10-31 22:16:49,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:49,789 INFO L225 Difference]: With dead ends: 97 [2024-10-31 22:16:49,789 INFO L226 Difference]: Without dead ends: 48 [2024-10-31 22:16:49,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:16:49,803 INFO L432 NwaCegarLoop]: 69 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, 69 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 [2024-10-31 22:16:49,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:16:49,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-31 22:16:49,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-31 22:16:49,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:16:49,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2024-10-31 22:16:49,873 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 104 [2024-10-31 22:16:49,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:49,877 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2024-10-31 22:16:49,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-31 22:16:49,878 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-10-31 22:16:49,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-31 22:16:49,884 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:49,884 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:49,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:16:49,885 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:49,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:49,888 INFO L85 PathProgramCache]: Analyzing trace with hash 322939501, now seen corresponding path program 1 times [2024-10-31 22:16:49,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:49,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239772838] [2024-10-31 22:16:49,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:49,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:16:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:16:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:16:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:16:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:16:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:16:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:16:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:16:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:16:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:16:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:16:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:16:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:16:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:16:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:16:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:16:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-31 22:16:50,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:50,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239772838] [2024-10-31 22:16:50,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239772838] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:50,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:50,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:16:50,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077443230] [2024-10-31 22:16:50,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:50,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:16:50,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:50,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:16:50,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:50,523 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-31 22:16:50,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:50,600 INFO L93 Difference]: Finished difference Result 138 states and 201 transitions. [2024-10-31 22:16:50,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:16:50,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-10-31 22:16:50,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:50,606 INFO L225 Difference]: With dead ends: 138 [2024-10-31 22:16:50,607 INFO L226 Difference]: Without dead ends: 93 [2024-10-31 22:16:50,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:50,612 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 32 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:50,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 126 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:16:50,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-10-31 22:16:50,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2024-10-31 22:16:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-31 22:16:50,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 131 transitions. [2024-10-31 22:16:50,663 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 131 transitions. Word has length 104 [2024-10-31 22:16:50,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:50,665 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 131 transitions. [2024-10-31 22:16:50,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-31 22:16:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2024-10-31 22:16:50,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-31 22:16:50,671 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:50,671 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:50,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:16:50,671 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:50,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:50,672 INFO L85 PathProgramCache]: Analyzing trace with hash 380197803, now seen corresponding path program 1 times [2024-10-31 22:16:50,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:50,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533636044] [2024-10-31 22:16:50,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:50,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:16:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:16:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:16:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:16:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:16:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:16:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:16:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:16:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:16:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:16:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:16:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:16:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:16:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:16:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:16:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:16:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-10-31 22:16:51,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:51,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533636044] [2024-10-31 22:16:51,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533636044] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:16:51,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311276072] [2024-10-31 22:16:51,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:51,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:51,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:51,374 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:51,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:16:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:51,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:16:51,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:51,913 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 73 proven. 42 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-10-31 22:16:51,913 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:16:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-10-31 22:16:52,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311276072] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:16:52,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:16:52,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-10-31 22:16:52,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284145353] [2024-10-31 22:16:52,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:16:52,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:16:52,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:52,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:16:52,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:16:52,259 INFO L87 Difference]: Start difference. First operand 90 states and 131 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-31 22:16:52,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:52,536 INFO L93 Difference]: Finished difference Result 193 states and 273 transitions. [2024-10-31 22:16:52,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:16:52,538 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 104 [2024-10-31 22:16:52,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:52,541 INFO L225 Difference]: With dead ends: 193 [2024-10-31 22:16:52,542 INFO L226 Difference]: Without dead ends: 106 [2024-10-31 22:16:52,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 236 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:16:52,546 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 52 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:52,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 110 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:16:52,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-31 22:16:52,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 98. [2024-10-31 22:16:52,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 61 states have internal predecessors, (71), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-31 22:16:52,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2024-10-31 22:16:52,594 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 104 [2024-10-31 22:16:52,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:52,599 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2024-10-31 22:16:52,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-31 22:16:52,601 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-10-31 22:16:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-31 22:16:52,603 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:52,604 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:52,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:16:52,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:52,805 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:52,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:52,806 INFO L85 PathProgramCache]: Analyzing trace with hash 382044845, now seen corresponding path program 1 times [2024-10-31 22:16:52,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:52,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19256076] [2024-10-31 22:16:52,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:52,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:52,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:16:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:52,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:16:52,994 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:16:52,995 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:16:53,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:16:53,008 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-31 22:16:53,115 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:16:53,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:16:53 BoogieIcfgContainer [2024-10-31 22:16:53,122 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:16:53,123 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:16:53,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:16:53,123 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:16:53,125 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:49" (3/4) ... [2024-10-31 22:16:53,128 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:16:53,129 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:16:53,131 INFO L158 Benchmark]: Toolchain (without parser) took 5042.53ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 119.9MB in the beginning and 125.2MB in the end (delta: -5.2MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:53,133 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:53,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.66ms. Allocated memory is still 155.2MB. Free memory was 119.9MB in the beginning and 105.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:16:53,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.09ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 103.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:53,136 INFO L158 Benchmark]: Boogie Preprocessor took 44.49ms. Allocated memory is still 155.2MB. Free memory was 103.1MB in the beginning and 100.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:16:53,137 INFO L158 Benchmark]: RCFGBuilder took 453.32ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 84.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:16:53,137 INFO L158 Benchmark]: TraceAbstraction took 4049.07ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 84.4MB in the beginning and 126.2MB in the end (delta: -41.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:53,137 INFO L158 Benchmark]: Witness Printer took 6.73ms. Allocated memory is still 186.6MB. Free memory was 126.2MB in the beginning and 125.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:53,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.66ms. Allocated memory is still 155.2MB. Free memory was 119.9MB in the beginning and 105.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.09ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 103.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.49ms. Allocated memory is still 155.2MB. Free memory was 103.1MB in the beginning and 100.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 453.32ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 84.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4049.07ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 84.4MB in the beginning and 126.2MB in the end (delta: -41.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.73ms. Allocated memory is still 186.6MB. Free memory was 126.2MB in the beginning and 125.2MB in the end (delta: 1.0MB). 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 98, overapproximation of someUnaryDOUBLEoperation at line 33. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] signed long int var_1_6 = -64; [L26] signed long int var_1_7 = -5; [L27] signed long int var_1_8 = 500; [L28] signed long int var_1_9 = -5; [L29] signed long int var_1_10 = -100; [L30] unsigned char var_1_11 = 1; [L31] double var_1_12 = 127.5; [L32] double var_1_13 = 15.75; [L33] double var_1_14 = -0.5; [L34] double var_1_15 = 5.25; [L35] double var_1_16 = 8.5; [L36] unsigned char last_1_var_1_11 = 1; VAL [isInitial=0, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L95] last_1_var_1_11 = var_1_11 VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L68] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L69] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L69] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L70] var_1_5 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L72] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L72] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-5, var_1_8=500, var_1_9=-5] [L73] var_1_7 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_7 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L74] RET assume_abort_if_not(var_1_7 >= -1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L75] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L75] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=500, var_1_9=-5] [L76] var_1_8 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L77] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L78] CALL assume_abort_if_not(var_1_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L78] RET assume_abort_if_not(var_1_8 <= 1073741823) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=-5] [L79] var_1_9 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_9 >= -536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L80] RET assume_abort_if_not(var_1_9 >= -536870912) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_9 <= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L81] RET assume_abort_if_not(var_1_9 <= 536870912) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-100, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L82] var_1_10 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_10 >= -536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L83] RET assume_abort_if_not(var_1_10 >= -536870911) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_10 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L84] RET assume_abort_if_not(var_1_10 <= 536870911) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_13=63/4, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L85] var_1_13 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L86] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L87] var_1_14 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L88] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_15=21/4, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L89] var_1_15 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L90] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_16=17/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L91] var_1_16 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L92] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L106] RET updateVariables() [L107] CALL step() [L40] unsigned char stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L41] COND FALSE !(! last_1_var_1_11) VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L46] signed long int stepLocal_2 = var_1_7; [L47] signed long int stepLocal_1 = var_1_10; VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, stepLocal_1=-536870911, stepLocal_2=-1073741823, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L48] COND FALSE !(var_1_8 <= stepLocal_2) VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, stepLocal_1=-536870911, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L55] COND FALSE !(! var_1_11) [L58] var_1_6 = ((((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) + var_1_10) + var_1_7) VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, stepLocal_1=-536870911, var_1_10=-536870911, var_1_11=1, var_1_12=255/2, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L60] COND FALSE !(\read(var_1_4)) [L63] var_1_12 = var_1_15 VAL [isInitial=1, last_1_var_1_11=1, stepLocal_0=1, stepLocal_1=-536870911, var_1_10=-536870911, var_1_11=1, var_1_12=505, var_1_15=505, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((! last_1_var_1_11) ? ((last_1_var_1_11 && last_1_var_1_11) ? (var_1_1 == ((unsigned char) (var_1_4 || var_1_5))) : 1) : 1) && ((! var_1_11) ? (var_1_6 == ((signed long int) (var_1_7 + var_1_8))) : (var_1_6 == ((signed long int) ((((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) + var_1_10) + var_1_7))))) && ((var_1_8 <= var_1_7) ? ((var_1_10 >= var_1_9) ? (var_1_11 == ((unsigned char) (! var_1_5))) : (var_1_11 == ((unsigned char) (var_1_1 || (! var_1_5))))) : 1)) && (var_1_4 ? (var_1_12 == ((double) (((((((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14))) + var_1_15)) < ((((((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) < 0 ) ? -((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) : ((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))))))) ? ((((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14))) + var_1_15)) : ((((((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) < 0 ) ? -((((3.5) < (var_1_16)) ? (3.5) : (var_1_16))) : ((((3.5) < (var_1_16)) ? (3.5) : (var_1_16)))))))))) : (var_1_12 == ((double) var_1_15))) ; VAL [\result=0, isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=505, var_1_15=505, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=505, var_1_15=505, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=1, var_1_10=-536870911, var_1_11=1, var_1_12=505, var_1_15=505, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=-1610612734, var_1_7=-1073741823, var_1_8=-1073741822, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 4, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 305 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 183 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 331 GetRequests, 320 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 520 NumberOfCodeBlocks, 520 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 515 ConstructedInterpolants, 0 QuantifiedInterpolants, 1201 SizeOfPredicates, 1 NumberOfNonLiveVariables, 241 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 2274/2400 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 [2024-10-31 22:16:53,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11631ade7f4802c0df912c1c8c774ea3be3e8c755291fcf699ca7b6debf1cc73 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:55,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:55,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:16:55,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:55,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:55,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:55,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:55,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:55,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:16:55,911 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:16:55,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:55,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:55,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:55,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:55,917 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:55,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:55,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:55,918 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:16:55,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:16:55,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:55,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:55,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:55,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:55,920 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:16:55,920 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:16:55,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:55,920 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:16:55,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:16:55,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:55,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:55,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:55,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:55,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:16:55,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:55,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:55,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:55,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:55,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:55,926 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:16:55,927 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:16:55,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:55,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:55,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:55,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:55,935 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:16:55,935 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_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11631ade7f4802c0df912c1c8c774ea3be3e8c755291fcf699ca7b6debf1cc73 [2024-10-31 22:16:56,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:56,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:56,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:56,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:56,481 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:56,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i Unable to find full path for "g++" [2024-10-31 22:16:58,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:59,130 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:59,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i [2024-10-31 22:16:59,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/data/2e5026bda/642c2c2a7aab426a99909d752772a1c3/FLAGd4aee0c2c [2024-10-31 22:16:59,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/data/2e5026bda/642c2c2a7aab426a99909d752772a1c3 [2024-10-31 22:16:59,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:59,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:59,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:59,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:59,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:59,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e27f92e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59, skipping insertion in model container [2024-10-31 22:16:59,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,218 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:59,443 WARN L251 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_d019b21f-f458-4d6e-bc42-f9c8a409db18/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i[912,925] [2024-10-31 22:16:59,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:59,538 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:59,553 WARN L251 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_d019b21f-f458-4d6e-bc42-f9c8a409db18/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-3.i[912,925] [2024-10-31 22:16:59,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:59,618 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:59,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59 WrapperNode [2024-10-31 22:16:59,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:59,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:59,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:59,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:59,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,694 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-10-31 22:16:59,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:59,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:59,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:59,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:59,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,730 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,753 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:16:59,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:59,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:59,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:59,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:59,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59" (1/1) ... [2024-10-31 22:16:59,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:59,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:59,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:59,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:16:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:16:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:16:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:59,970 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:59,973 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:00,817 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-31 22:17:00,817 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:17:00,839 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:17:00,839 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:17:00,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:00 BoogieIcfgContainer [2024-10-31 22:17:00,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:17:00,844 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:17:00,844 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:17:00,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:17:00,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:59" (1/3) ... [2024-10-31 22:17:00,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a98b206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:00, skipping insertion in model container [2024-10-31 22:17:00,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:59" (2/3) ... [2024-10-31 22:17:00,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a98b206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:00, skipping insertion in model container [2024-10-31 22:17:00,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:00" (3/3) ... [2024-10-31 22:17:00,852 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-3.i [2024-10-31 22:17:00,882 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:17:00,882 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:17:00,993 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:17:01,001 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6e459769, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:17:01,002 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:17:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:17:01,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-31 22:17:01,023 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:01,024 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:01,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:01,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:01,033 INFO L85 PathProgramCache]: Analyzing trace with hash 55740261, now seen corresponding path program 1 times [2024-10-31 22:17:01,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:17:01,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630657411] [2024-10-31 22:17:01,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:01,052 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 [2024-10-31 22:17:01,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:17:01,056 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:17:01,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:17:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:01,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:17:01,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:01,506 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-10-31 22:17:01,506 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:17:01,507 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:17:01,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630657411] [2024-10-31 22:17:01,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630657411] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:01,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:01,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:01,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828878715] [2024-10-31 22:17:01,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:01,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:17:01,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:17:01,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:17:01,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:17:01,557 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-31 22:17:01,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:01,606 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2024-10-31 22:17:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:17:01,609 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2024-10-31 22:17:01,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:01,620 INFO L225 Difference]: With dead ends: 97 [2024-10-31 22:17:01,620 INFO L226 Difference]: Without dead ends: 48 [2024-10-31 22:17:01,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:17:01,630 INFO L432 NwaCegarLoop]: 69 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, 69 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 [2024-10-31 22:17:01,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:17:01,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-31 22:17:01,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-31 22:17:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:17:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2024-10-31 22:17:01,686 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 104 [2024-10-31 22:17:01,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:01,688 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2024-10-31 22:17:01,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-31 22:17:01,689 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-10-31 22:17:01,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-31 22:17:01,697 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:01,697 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:01,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 22:17:01,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:17:01,900 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:01,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:01,902 INFO L85 PathProgramCache]: Analyzing trace with hash 322939501, now seen corresponding path program 1 times [2024-10-31 22:17:01,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:17:01,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [599780410] [2024-10-31 22:17:01,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:01,906 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 [2024-10-31 22:17:01,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:17:01,912 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:17:01,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:17:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:02,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:17:02,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:02,651 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-31 22:17:02,652 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:17:02,653 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:17:02,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [599780410] [2024-10-31 22:17:02,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [599780410] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:02,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:02,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:02,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875556409] [2024-10-31 22:17:02,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:02,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:02,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:17:02,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:02,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:02,662 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-31 22:17:02,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:02,966 INFO L93 Difference]: Finished difference Result 138 states and 201 transitions. [2024-10-31 22:17:02,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:02,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-10-31 22:17:02,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:02,970 INFO L225 Difference]: With dead ends: 138 [2024-10-31 22:17:02,970 INFO L226 Difference]: Without dead ends: 93 [2024-10-31 22:17:02,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:02,975 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 13 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:02,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 126 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:17:02,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-10-31 22:17:02,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2024-10-31 22:17:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-31 22:17:03,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 131 transitions. [2024-10-31 22:17:03,001 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 131 transitions. Word has length 104 [2024-10-31 22:17:03,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:03,002 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 131 transitions. [2024-10-31 22:17:03,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-31 22:17:03,002 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2024-10-31 22:17:03,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-31 22:17:03,004 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:03,004 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:03,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-31 22:17:03,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:17:03,205 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:03,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:03,206 INFO L85 PathProgramCache]: Analyzing trace with hash 380197803, now seen corresponding path program 1 times [2024-10-31 22:17:03,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:17:03,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494679976] [2024-10-31 22:17:03,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:03,207 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 [2024-10-31 22:17:03,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:17:03,209 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:17:03,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:17:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:03,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:17:03,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:03,837 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 73 proven. 42 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-10-31 22:17:03,837 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:17:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-10-31 22:17:04,242 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:17:04,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494679976] [2024-10-31 22:17:04,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1494679976] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:17:04,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:17:04,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-10-31 22:17:04,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491093171] [2024-10-31 22:17:04,244 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 22:17:04,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:17:04,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:17:04,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:17:04,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:17:04,250 INFO L87 Difference]: Start difference. First operand 90 states and 131 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-31 22:17:05,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:05,225 INFO L93 Difference]: Finished difference Result 193 states and 273 transitions. [2024-10-31 22:17:05,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:17:05,238 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 104 [2024-10-31 22:17:05,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:05,240 INFO L225 Difference]: With dead ends: 193 [2024-10-31 22:17:05,240 INFO L226 Difference]: Without dead ends: 106 [2024-10-31 22:17:05,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:17:05,243 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 36 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:05,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 109 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-31 22:17:05,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-31 22:17:05,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 98. [2024-10-31 22:17:05,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 61 states have internal predecessors, (71), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-31 22:17:05,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2024-10-31 22:17:05,267 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 104 [2024-10-31 22:17:05,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:05,268 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2024-10-31 22:17:05,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-31 22:17:05,269 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-10-31 22:17:05,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-31 22:17:05,271 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:05,271 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:05,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:05,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:17:05,472 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:05,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:05,473 INFO L85 PathProgramCache]: Analyzing trace with hash 382044845, now seen corresponding path program 1 times [2024-10-31 22:17:05,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:17:05,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497262967] [2024-10-31 22:17:05,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:05,474 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 [2024-10-31 22:17:05,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:17:05,478 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:17:05,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d019b21f-f458-4d6e-bc42-f9c8a409db18/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-31 22:17:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:05,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-31 22:17:05,905 INFO L278 TraceCheckSpWp]: Computing forward predicates...