./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB --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 2006370b8a49dd66a2beda35abd40d48d399599f38c6eecda60f9b7dc037aa18 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:24:17,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:24:17,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:24:17,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:24:17,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:24:17,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:24:17,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:24:17,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:24:17,328 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:24:17,328 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:24:17,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:24:17,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:24:17,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:24:17,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:24:17,329 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:24:17,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:24:17,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:24:17,329 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:24:17,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:24:17,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:24:17,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:24:17,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:24:17,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:24:17,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:24:17,330 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:24:17,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:24:17,330 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:24:17,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:24:17,333 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:24:17,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:24:17,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:24:17,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:24:17,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:24:17,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:24:17,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:24:17,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:24:17,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:24:17,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:24:17,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:24:17,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:24:17,335 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:24:17,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:24:17,335 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:24:17,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:24:17,335 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:24:17,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:24:17,336 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:24:17,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:24:17,336 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2006370b8a49dd66a2beda35abd40d48d399599f38c6eecda60f9b7dc037aa18 [2024-11-28 03:24:17,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:24:17,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:24:17,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:24:17,724 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:24:17,725 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:24:17,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-88.i [2024-11-28 03:24:20,641 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/data/90220859d/5a18b01bf7e24cc1b6e1b97abf865880/FLAG928683055 [2024-11-28 03:24:21,009 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:24:21,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-88.i [2024-11-28 03:24:21,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/data/90220859d/5a18b01bf7e24cc1b6e1b97abf865880/FLAG928683055 [2024-11-28 03:24:21,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/data/90220859d/5a18b01bf7e24cc1b6e1b97abf865880 [2024-11-28 03:24:21,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:24:21,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:24:21,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:24:21,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:24:21,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:24:21,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24aaf659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21, skipping insertion in model container [2024-11-28 03:24:21,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,109 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:24:21,311 WARN L250 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_b0805fdb-76f5-4550-a4d8-5501adee1180/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-88.i[913,926] [2024-11-28 03:24:21,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:24:21,397 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:24:21,410 WARN L250 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_b0805fdb-76f5-4550-a4d8-5501adee1180/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-88.i[913,926] [2024-11-28 03:24:21,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:24:21,487 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:24:21,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21 WrapperNode [2024-11-28 03:24:21,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:24:21,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:24:21,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:24:21,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:24:21,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,547 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2024-11-28 03:24:21,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:24:21,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:24:21,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:24:21,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:24:21,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,573 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,604 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]. [2024-11-28 03:24:21,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,615 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:24:21,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:24:21,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:24:21,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:24:21,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (1/1) ... [2024-11-28 03:24:21,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:24:21,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:21,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:21,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:24:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:24:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:24:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:24:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:24:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:24:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:24:21,823 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:24:21,825 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:24:22,275 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-28 03:24:22,275 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:24:22,294 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:24:22,295 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:24:22,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:22 BoogieIcfgContainer [2024-11-28 03:24:22,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:24:22,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:24:22,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:24:22,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:24:22,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:24:21" (1/3) ... [2024-11-28 03:24:22,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27568a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:24:22, skipping insertion in model container [2024-11-28 03:24:22,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:21" (2/3) ... [2024-11-28 03:24:22,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27568a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:24:22, skipping insertion in model container [2024-11-28 03:24:22,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:22" (3/3) ... [2024-11-28 03:24:22,312 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-88.i [2024-11-28 03:24:22,333 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:24:22,334 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-88.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:24:22,419 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:24:22,438 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;@4e97bbaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:24:22,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:24:22,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 03:24:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:24:22,458 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:22,459 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:22,459 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:22,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:22,469 INFO L85 PathProgramCache]: Analyzing trace with hash -849179731, now seen corresponding path program 1 times [2024-11-28 03:24:22,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:22,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270539588] [2024-11-28 03:24:22,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:22,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 03:24:22,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:22,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270539588] [2024-11-28 03:24:22,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270539588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:24:22,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220702196] [2024-11-28 03:24:22,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:22,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:24:22,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:22,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:24:22,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:24:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:23,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:24:23,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 03:24:23,195 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:23,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220702196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:23,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:24:23,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:24:23,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108496091] [2024-11-28 03:24:23,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:23,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:24:23,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:23,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:24:23,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:24:23,239 INFO L87 Difference]: Start difference. First operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 03:24:23,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:23,281 INFO L93 Difference]: Finished difference Result 109 states and 183 transitions. [2024-11-28 03:24:23,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:24:23,283 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111 [2024-11-28 03:24:23,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:23,291 INFO L225 Difference]: With dead ends: 109 [2024-11-28 03:24:23,291 INFO L226 Difference]: Without dead ends: 54 [2024-11-28 03:24:23,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:24:23,300 INFO L435 NwaCegarLoop]: 79 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, 79 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 [2024-11-28 03:24:23,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:23,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-28 03:24:23,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-28 03:24:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 03:24:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions. [2024-11-28 03:24:23,350 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 111 [2024-11-28 03:24:23,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:23,351 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions. [2024-11-28 03:24:23,351 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 03:24:23,352 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-11-28 03:24:23,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:24:23,355 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:23,355 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:23,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:24:23,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:24:23,556 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:23,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:23,557 INFO L85 PathProgramCache]: Analyzing trace with hash -665723601, now seen corresponding path program 1 times [2024-11-28 03:24:23,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:23,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493324610] [2024-11-28 03:24:23,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:23,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:24,575 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 03:24:24,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:24,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493324610] [2024-11-28 03:24:24,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493324610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:24,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:24,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:24:24,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211538606] [2024-11-28 03:24:24,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:24,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:24:24,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:24,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:24:24,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:24:24,582 INFO L87 Difference]: Start difference. First operand 54 states and 79 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 03:24:24,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:24,932 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2024-11-28 03:24:24,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:24:24,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 111 [2024-11-28 03:24:24,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:24,936 INFO L225 Difference]: With dead ends: 157 [2024-11-28 03:24:24,936 INFO L226 Difference]: Without dead ends: 106 [2024-11-28 03:24:24,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:24:24,940 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 57 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:24,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 202 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:24:24,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-28 03:24:24,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 97. [2024-11-28 03:24:25,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 60 states have internal predecessors, (76), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 03:24:25,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 144 transitions. [2024-11-28 03:24:25,002 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 144 transitions. Word has length 111 [2024-11-28 03:24:25,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:25,004 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 144 transitions. [2024-11-28 03:24:25,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 03:24:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 144 transitions. [2024-11-28 03:24:25,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 03:24:25,009 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:25,009 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:25,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:24:25,009 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:25,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:25,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1594133825, now seen corresponding path program 1 times [2024-11-28 03:24:25,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:25,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976459488] [2024-11-28 03:24:25,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:25,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:25,341 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 03:24:25,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:25,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976459488] [2024-11-28 03:24:25,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976459488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:25,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:25,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:24:25,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953467732] [2024-11-28 03:24:25,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:25,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:24:25,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:25,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:24:25,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:24:25,344 INFO L87 Difference]: Start difference. First operand 97 states and 144 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 03:24:25,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:25,567 INFO L93 Difference]: Finished difference Result 165 states and 243 transitions. [2024-11-28 03:24:25,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:24:25,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113 [2024-11-28 03:24:25,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:25,574 INFO L225 Difference]: With dead ends: 165 [2024-11-28 03:24:25,574 INFO L226 Difference]: Without dead ends: 106 [2024-11-28 03:24:25,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:24:25,579 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 54 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:25,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 206 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:24:25,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-28 03:24:25,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 98. [2024-11-28 03:24:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 61 states have internal predecessors, (76), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 03:24:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 144 transitions. [2024-11-28 03:24:25,624 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 144 transitions. Word has length 113 [2024-11-28 03:24:25,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:25,625 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 144 transitions. [2024-11-28 03:24:25,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 03:24:25,625 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 144 transitions. [2024-11-28 03:24:25,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 03:24:25,631 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:25,631 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:25,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:24:25,631 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:25,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:25,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1203828785, now seen corresponding path program 1 times [2024-11-28 03:24:25,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:25,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118534] [2024-11-28 03:24:25,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:25,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 03:24:26,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:24:26,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118534] [2024-11-28 03:24:26,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:26,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:26,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:24:26,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759024308] [2024-11-28 03:24:26,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:26,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:24:26,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:24:26,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:24:26,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:24:26,135 INFO L87 Difference]: Start difference. First operand 98 states and 144 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 03:24:26,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:26,527 INFO L93 Difference]: Finished difference Result 193 states and 273 transitions. [2024-11-28 03:24:26,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:24:26,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 115 [2024-11-28 03:24:26,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:26,531 INFO L225 Difference]: With dead ends: 193 [2024-11-28 03:24:26,531 INFO L226 Difference]: Without dead ends: 136 [2024-11-28 03:24:26,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:24:26,537 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 108 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:26,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 353 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:24:26,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-28 03:24:26,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 99. [2024-11-28 03:24:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 62 states have internal predecessors, (77), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 03:24:26,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 145 transitions. [2024-11-28 03:24:26,589 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 145 transitions. Word has length 115 [2024-11-28 03:24:26,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:26,590 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 145 transitions. [2024-11-28 03:24:26,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 03:24:26,590 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 145 transitions. [2024-11-28 03:24:26,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 03:24:26,596 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:26,596 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:26,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:24:26,596 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:26,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:26,597 INFO L85 PathProgramCache]: Analyzing trace with hash -945663347, now seen corresponding path program 1 times [2024-11-28 03:24:26,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:24:26,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670850525] [2024-11-28 03:24:26,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:26,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:24:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:26,711 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:24:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:24:26,874 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:24:26,875 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:24:26,876 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:24:26,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:24:26,884 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 03:24:26,999 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:24:27,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:24:27 BoogieIcfgContainer [2024-11-28 03:24:27,002 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:24:27,003 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:24:27,003 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:24:27,003 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:24:27,004 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:22" (3/4) ... [2024-11-28 03:24:27,007 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:24:27,007 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:24:27,008 INFO L158 Benchmark]: Toolchain (without parser) took 5943.69ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 47.4MB in the end (delta: 45.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-28 03:24:27,009 INFO L158 Benchmark]: CDTParser took 1.47ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:24:27,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.49ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.4MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:24:27,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.39ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:24:27,010 INFO L158 Benchmark]: Boogie Preprocessor took 82.41ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:24:27,010 INFO L158 Benchmark]: RCFGBuilder took 660.00ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 58.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:24:27,010 INFO L158 Benchmark]: TraceAbstraction took 4702.89ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 48.5MB in the end (delta: 9.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-28 03:24:27,011 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 117.4MB. Free memory was 48.5MB in the beginning and 47.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:24:27,013 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.49ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.4MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.39ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 82.41ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 660.00ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 58.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4702.89ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 48.5MB in the end (delta: 9.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 117.4MB. Free memory was 48.5MB in the beginning and 47.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of bitwiseOr at line 103, overapproximation of bitwiseOr at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L23] unsigned char var_1_5 = 0; [L24] unsigned char var_1_6 = 1; [L25] signed char var_1_7 = -1; [L26] signed char var_1_8 = -50; [L27] signed char var_1_9 = 100; [L28] unsigned long int var_1_10 = 25; [L29] unsigned long int var_1_11 = 2568920345; [L30] unsigned long int var_1_12 = 1191097264; [L31] unsigned long int var_1_13 = 1801344522; [L32] signed long int var_1_14 = 64; [L33] signed short int var_1_15 = -16; [L34] float var_1_16 = 1000000.5; [L35] float var_1_17 = 4.5; [L36] unsigned char var_1_18 = 0; [L37] unsigned char var_1_19 = 128; [L38] unsigned long int last_1_var_1_10 = 25; [L39] signed short int last_1_var_1_15 = -16; [L40] unsigned char last_1_var_1_18 = 0; VAL [isInitial=0, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L107] isInitial = 1 [L108] FCALL initially() [L110] CALL updateLastVariables() [L98] last_1_var_1_10 = var_1_10 [L99] last_1_var_1_15 = var_1_15 [L100] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L110] RET updateLastVariables() [L111] CALL updateVariables() [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_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L72] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L72] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L73] var_1_6 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_7=-1, var_1_8=-50, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_7=-1, var_1_8=-50, var_1_9=100] [L74] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_7=-1, var_1_8=-50, var_1_9=100] [L75] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L75] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=-1, var_1_8=-50, var_1_9=100] [L76] var_1_7 = __VERIFIER_nondet_char() [L77] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=100] [L77] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=100] [L78] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=100] [L78] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=100] [L79] var_1_9 = __VERIFIER_nondet_char() [L80] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L80] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L81] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L81] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=2568920345, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L82] var_1_11 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L83] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L84] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L84] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=1191097264, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L85] var_1_12 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L86] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L87] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L87] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=1801344522, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L88] var_1_13 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_13 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L89] RET assume_abort_if_not(var_1_13 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L90] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L90] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_17=9/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L91] var_1_17 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L92] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=128, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L93] var_1_19 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L94] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L95] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L95] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L111] RET updateVariables() [L112] CALL step() [L44] EXPR last_1_var_1_15 | last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=-8, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L44] COND FALSE !(((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && var_1_5) [L51] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L53] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=64, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L56] COND TRUE var_1_12 <= var_1_8 [L57] var_1_14 = ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=50, var_1_15=-16, var_1_16=2000001/2, var_1_18=0, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L59] var_1_15 = 2 [L60] var_1_16 = var_1_17 [L61] var_1_18 = var_1_19 [L62] unsigned char stepLocal_0 = var_1_8 < var_1_1; VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, stepLocal_0=1, var_1_10=25, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=50, var_1_15=2, var_1_16=4294967300, var_1_17=4294967300, var_1_18=254, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L63] COND TRUE stepLocal_0 && (((((var_1_9) > (var_1_8)) ? (var_1_9) : (var_1_8))) == var_1_7) [L64] var_1_10 = (var_1_11 - (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - 1u)) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=2147483648, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=50, var_1_15=2, var_1_16=4294967300, var_1_17=4294967300, var_1_18=254, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR last_1_var_1_15 | last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=2147483648, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=50, var_1_15=2, var_1_16=4294967300, var_1_17=4294967300, var_1_18=254, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L103-L104] return (((((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && var_1_5) ? ((var_1_5 && var_1_6) ? (var_1_1 == ((signed char) var_1_7)) : (var_1_1 == ((signed char) var_1_7))) : (var_1_1 == ((signed char) var_1_7))) && (var_1_5 ? (var_1_8 == ((signed char) ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))))) : 1)) && (((var_1_8 < var_1_1) && (((((var_1_9) > (var_1_8)) ? (var_1_9) : (var_1_8))) == var_1_7)) ? (var_1_10 == ((unsigned long int) (var_1_11 - (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - 1u)))) : (var_1_10 == ((unsigned long int) (var_1_11 - var_1_13))))) && ((var_1_12 <= var_1_8) ? (var_1_14 == ((signed long int) ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) : 1)) && (var_1_15 == ((signed short int) 2))) && (var_1_16 == ((float) var_1_17))) && (var_1_18 == ((unsigned char) var_1_19)) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=2147483648, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=50, var_1_15=2, var_1_16=4294967300, var_1_17=4294967300, var_1_18=254, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10=2147483648, var_1_11=4294967294, var_1_12=2147483647, var_1_13=2147483645, var_1_14=50, var_1_15=2, var_1_16=4294967300, var_1_17=4294967300, var_1_18=254, var_1_19=254, var_1_1=126, var_1_5=0, var_1_6=1, var_1_7=126, var_1_8=-50, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 5, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 219 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 840 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 547 mSDsCounter, 161 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 148 IncrementalHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 161 mSolverCounterUnsat, 293 mSDtfsCounter, 148 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 54 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 676 NumberOfCodeBlocks, 676 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 556 ConstructedInterpolants, 0 QuantifiedInterpolants, 1637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 277 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 2688/2720 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:24:27,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB --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 2006370b8a49dd66a2beda35abd40d48d399599f38c6eecda60f9b7dc037aa18 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:24:29,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:24:30,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:24:30,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:24:30,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:24:30,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:24:30,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:24:30,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:24:30,206 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:24:30,206 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:24:30,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:24:30,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:24:30,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:24:30,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:24:30,209 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:24:30,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:24:30,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:24:30,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:24:30,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:24:30,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:24:30,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:24:30,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:24:30,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:24:30,211 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:24:30,211 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:24:30,211 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:24:30,211 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:24:30,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:24:30,211 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:24:30,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:24:30,211 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:24:30,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:24:30,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:24:30,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:24:30,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:24:30,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:24:30,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:24:30,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:24:30,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:24:30,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:24:30,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:24:30,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:24:30,212 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:24:30,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:24:30,214 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:24:30,214 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:24:30,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:24:30,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:24:30,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:24:30,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:24:30,215 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2006370b8a49dd66a2beda35abd40d48d399599f38c6eecda60f9b7dc037aa18 [2024-11-28 03:24:30,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:24:30,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:24:30,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:24:30,627 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:24:30,627 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:24:30,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-88.i [2024-11-28 03:24:33,733 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/data/effa2c085/059ed52c9be94762ae144636a598d8ff/FLAGb3e20dd1d [2024-11-28 03:24:34,027 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:24:34,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-88.i [2024-11-28 03:24:34,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/data/effa2c085/059ed52c9be94762ae144636a598d8ff/FLAGb3e20dd1d [2024-11-28 03:24:34,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/data/effa2c085/059ed52c9be94762ae144636a598d8ff [2024-11-28 03:24:34,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:24:34,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:24:34,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:24:34,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:24:34,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:24:34,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ed9e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34, skipping insertion in model container [2024-11-28 03:24:34,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:24:34,290 WARN L250 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_b0805fdb-76f5-4550-a4d8-5501adee1180/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-88.i[913,926] [2024-11-28 03:24:34,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:24:34,411 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:24:34,426 WARN L250 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_b0805fdb-76f5-4550-a4d8-5501adee1180/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-88.i[913,926] [2024-11-28 03:24:34,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:24:34,498 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:24:34,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34 WrapperNode [2024-11-28 03:24:34,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:24:34,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:24:34,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:24:34,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:24:34,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,561 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-28 03:24:34,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:24:34,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:24:34,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:24:34,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:24:34,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,575 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,588 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]. [2024-11-28 03:24:34,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,602 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:24:34,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:24:34,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:24:34,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:24:34,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (1/1) ... [2024-11-28 03:24:34,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:24:34,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:24:34,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:24:34,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:24:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:24:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:24:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:24:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:24:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:24:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:24:34,809 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:24:34,812 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:24:35,109 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 03:24:35,109 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:24:35,126 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:24:35,126 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:24:35,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:35 BoogieIcfgContainer [2024-11-28 03:24:35,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:24:35,130 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:24:35,130 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:24:35,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:24:35,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:24:34" (1/3) ... [2024-11-28 03:24:35,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554d384c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:24:35, skipping insertion in model container [2024-11-28 03:24:35,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:34" (2/3) ... [2024-11-28 03:24:35,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554d384c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:24:35, skipping insertion in model container [2024-11-28 03:24:35,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:35" (3/3) ... [2024-11-28 03:24:35,137 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-88.i [2024-11-28 03:24:35,155 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:24:35,156 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-88.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:24:35,260 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:24:35,278 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;@7a14821, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:24:35,278 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:24:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 03:24:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 03:24:35,295 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:35,296 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:35,297 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:35,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:35,305 INFO L85 PathProgramCache]: Analyzing trace with hash -151393228, now seen corresponding path program 1 times [2024-11-28 03:24:35,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:35,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693821002] [2024-11-28 03:24:35,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:35,323 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 [2024-11-28 03:24:35,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:35,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:24:35,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:24:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:35,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:24:35,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:35,626 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-28 03:24:35,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:35,630 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:35,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1693821002] [2024-11-28 03:24:35,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1693821002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:35,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:35,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:24:35,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268331020] [2024-11-28 03:24:35,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:35,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:24:35,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:35,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:24:35,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:24:35,665 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 03:24:35,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:35,697 INFO L93 Difference]: Finished difference Result 95 states and 161 transitions. [2024-11-28 03:24:35,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:24:35,699 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2024-11-28 03:24:35,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:35,707 INFO L225 Difference]: With dead ends: 95 [2024-11-28 03:24:35,707 INFO L226 Difference]: Without dead ends: 47 [2024-11-28 03:24:35,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:24:35,713 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:35,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:24:35,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-28 03:24:35,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-28 03:24:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 03:24:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2024-11-28 03:24:35,768 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 108 [2024-11-28 03:24:35,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:35,769 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2024-11-28 03:24:35,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 03:24:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2024-11-28 03:24:35,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 03:24:35,773 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:35,773 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:35,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:24:35,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:24:35,977 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:35,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:35,978 INFO L85 PathProgramCache]: Analyzing trace with hash 222157298, now seen corresponding path program 1 times [2024-11-28 03:24:35,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:35,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912665023] [2024-11-28 03:24:35,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:35,979 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 [2024-11-28 03:24:35,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:35,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:24:35,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:24:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:36,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:24:36,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 03:24:36,753 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:24:36,753 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:36,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912665023] [2024-11-28 03:24:36,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912665023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:24:36,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:24:36,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:24:36,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600891] [2024-11-28 03:24:36,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:24:36,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:24:36,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:36,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:24:36,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:24:36,760 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 03:24:37,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:37,067 INFO L93 Difference]: Finished difference Result 158 states and 226 transitions. [2024-11-28 03:24:37,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:24:37,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-11-28 03:24:37,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:37,071 INFO L225 Difference]: With dead ends: 158 [2024-11-28 03:24:37,071 INFO L226 Difference]: Without dead ends: 114 [2024-11-28 03:24:37,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:24:37,073 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 84 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:37,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 254 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:24:37,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-28 03:24:37,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 81. [2024-11-28 03:24:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 03:24:37,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 119 transitions. [2024-11-28 03:24:37,112 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 119 transitions. Word has length 108 [2024-11-28 03:24:37,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:37,114 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 119 transitions. [2024-11-28 03:24:37,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 03:24:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 119 transitions. [2024-11-28 03:24:37,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 03:24:37,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:37,118 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:37,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:24:37,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:24:37,319 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:37,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:37,320 INFO L85 PathProgramCache]: Analyzing trace with hash -587189328, now seen corresponding path program 1 times [2024-11-28 03:24:37,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:37,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757864650] [2024-11-28 03:24:37,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:37,321 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 [2024-11-28 03:24:37,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:37,325 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:24:37,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:24:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:37,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:24:37,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:24:38,081 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 258 proven. 15 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2024-11-28 03:24:38,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:24:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 33 proven. 15 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 03:24:38,452 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:24:38,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757864650] [2024-11-28 03:24:38,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1757864650] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:24:38,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:24:38,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-11-28 03:24:38,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419307616] [2024-11-28 03:24:38,453 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:24:38,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:24:38,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:24:38,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:24:38,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:24:38,455 INFO L87 Difference]: Start difference. First operand 81 states and 119 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-28 03:24:39,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:24:39,601 INFO L93 Difference]: Finished difference Result 242 states and 342 transitions. [2024-11-28 03:24:39,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:24:39,602 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 108 [2024-11-28 03:24:39,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:24:39,606 INFO L225 Difference]: With dead ends: 242 [2024-11-28 03:24:39,606 INFO L226 Difference]: Without dead ends: 198 [2024-11-28 03:24:39,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:24:39,608 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 131 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:24:39,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 212 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 03:24:39,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-28 03:24:39,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 157. [2024-11-28 03:24:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.1573033707865168) internal successors, (103), 90 states have internal predecessors, (103), 61 states have call successors, (61), 6 states have call predecessors, (61), 6 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-28 03:24:39,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 225 transitions. [2024-11-28 03:24:39,686 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 225 transitions. Word has length 108 [2024-11-28 03:24:39,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:24:39,687 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 225 transitions. [2024-11-28 03:24:39,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-28 03:24:39,687 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 225 transitions. [2024-11-28 03:24:39,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 03:24:39,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:24:39,689 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:24:39,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:24:39,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:24:39,892 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:24:39,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:24:39,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1932770606, now seen corresponding path program 1 times [2024-11-28 03:24:39,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:24:39,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905243360] [2024-11-28 03:24:39,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:24:39,893 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 [2024-11-28 03:24:39,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:24:39,899 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:24:39,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0805fdb-76f5-4550-a4d8-5501adee1180/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:24:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:24:40,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 03:24:40,032 INFO L279 TraceCheckSpWp]: Computing forward predicates...