./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.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_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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 3f0afbebe1d6d31b67ecf7ab6417fb575d69602a84a97ac1a2c9f95fa54570b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:33:14,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:33:14,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 23:33:14,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:33:14,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:33:14,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:33:14,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:33:14,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:33:14,463 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:33:14,463 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:33:14,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:33:14,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:33:14,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:33:14,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:33:14,466 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:33:14,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:33:14,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:33:14,466 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:33:14,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:33:14,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:33:14,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:33:14,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:33:14,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:33:14,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:33:14,468 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:33:14,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:33:14,468 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:33:14,468 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:33:14,468 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:33:14,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:33:14,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:33:14,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:33:14,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:33:14,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:33:14,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:33:14,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:33:14,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:33:14,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:33:14,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:33:14,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:33:14,470 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:33:14,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:33:14,471 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:33:14,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:33:14,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:33:14,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:33:14,471 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:33:14,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:33:14,472 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_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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 -> 3f0afbebe1d6d31b67ecf7ab6417fb575d69602a84a97ac1a2c9f95fa54570b5 [2024-11-27 23:33:14,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:33:14,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:33:14,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:33:14,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:33:14,897 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:33:14,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i [2024-11-27 23:33:18,699 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/data/7906da908/24f420119ed048e6a1f3ba53339b82d6/FLAG8a2e0c652 [2024-11-27 23:33:19,038 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:33:19,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i [2024-11-27 23:33:19,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/data/7906da908/24f420119ed048e6a1f3ba53339b82d6/FLAG8a2e0c652 [2024-11-27 23:33:19,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/data/7906da908/24f420119ed048e6a1f3ba53339b82d6 [2024-11-27 23:33:19,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:33:19,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:33:19,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:33:19,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:33:19,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:33:19,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e34b7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19, skipping insertion in model container [2024-11-27 23:33:19,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,353 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:33:19,579 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_0a9287f5-c940-4cbe-a414-4ecf0325ded6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i[913,926] [2024-11-27 23:33:19,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:33:19,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:33:19,706 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_0a9287f5-c940-4cbe-a414-4ecf0325ded6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i[913,926] [2024-11-27 23:33:19,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:33:19,763 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:33:19,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19 WrapperNode [2024-11-27 23:33:19,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:33:19,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:33:19,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:33:19,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:33:19,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,838 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-27 23:33:19,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:33:19,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:33:19,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:33:19,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:33:19,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,856 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,874 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]. [2024-11-27 23:33:19,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,884 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:33:19,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:33:19,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:33:19,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:33:19,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (1/1) ... [2024-11-27 23:33:19,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:33:19,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:19,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:19,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:33:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:33:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:33:20,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:33:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:33:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:33:20,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:33:20,133 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:33:20,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:33:20,628 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-27 23:33:20,628 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:33:20,644 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:33:20,645 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:33:20,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:33:20 BoogieIcfgContainer [2024-11-27 23:33:20,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:33:20,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:33:20,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:33:20,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:33:20,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:33:19" (1/3) ... [2024-11-27 23:33:20,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5076ebd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:33:20, skipping insertion in model container [2024-11-27 23:33:20,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:19" (2/3) ... [2024-11-27 23:33:20,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5076ebd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:33:20, skipping insertion in model container [2024-11-27 23:33:20,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:33:20" (3/3) ... [2024-11-27 23:33:20,661 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-77.i [2024-11-27 23:33:20,683 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:33:20,685 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-77.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:33:20,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:33:20,809 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;@1141c73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:33:20,809 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:33:20,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 23:33:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-27 23:33:20,829 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:20,831 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:20,831 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:20,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:20,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1364825220, now seen corresponding path program 1 times [2024-11-27 23:33:20,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:20,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697715854] [2024-11-27 23:33:20,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:20,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:21,291 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-27 23:33:21,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:33:21,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697715854] [2024-11-27 23:33:21,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697715854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:33:21,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553082759] [2024-11-27 23:33:21,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:21,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:33:21,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:21,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:33:21,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:33:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:21,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:33:21,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-27 23:33:21,617 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:33:21,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553082759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:21,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:33:21,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:33:21,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433246432] [2024-11-27 23:33:21,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:21,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:33:21,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:33:21,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:33:21,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:33:21,668 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-27 23:33:21,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:21,703 INFO L93 Difference]: Finished difference Result 103 states and 174 transitions. [2024-11-27 23:33:21,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:33:21,706 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-11-27 23:33:21,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:21,714 INFO L225 Difference]: With dead ends: 103 [2024-11-27 23:33:21,714 INFO L226 Difference]: Without dead ends: 51 [2024-11-27 23:33:21,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:33:21,724 INFO L435 NwaCegarLoop]: 74 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, 74 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 [2024-11-27 23:33:21,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:33:21,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-27 23:33:21,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-27 23:33:21,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 23:33:21,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2024-11-27 23:33:21,797 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 115 [2024-11-27 23:33:21,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:21,797 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2024-11-27 23:33:21,798 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-27 23:33:21,798 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2024-11-27 23:33:21,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-27 23:33:21,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:21,803 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:21,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 23:33:22,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 23:33:22,004 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:22,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:22,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1423678132, now seen corresponding path program 1 times [2024-11-27 23:33:22,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:33:22,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719122345] [2024-11-27 23:33:22,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:22,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:33:22,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [431436697] [2024-11-27 23:33:22,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:22,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:33:22,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:22,306 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:33:22,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:33:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:22,587 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:33:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:22,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:33:22,778 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:33:22,780 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:33:22,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:22,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:33:22,986 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-27 23:33:23,074 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:33:23,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:33:23 BoogieIcfgContainer [2024-11-27 23:33:23,078 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:33:23,079 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:33:23,079 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:33:23,079 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:33:23,080 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:33:20" (3/4) ... [2024-11-27 23:33:23,084 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 23:33:23,085 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:33:23,086 INFO L158 Benchmark]: Toolchain (without parser) took 3784.93ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 38.3MB in the end (delta: 52.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-11-27 23:33:23,086 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:33:23,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.00ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 77.9MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:33:23,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.92ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:33:23,088 INFO L158 Benchmark]: Boogie Preprocessor took 68.16ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 71.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:33:23,088 INFO L158 Benchmark]: RCFGBuilder took 737.27ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 55.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:33:23,089 INFO L158 Benchmark]: TraceAbstraction took 2429.41ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 38.3MB in the end (delta: 16.3MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-27 23:33:23,089 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 117.4MB. Free memory was 38.3MB in the beginning and 38.3MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:33:23,092 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.00ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 77.9MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.92ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.16ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 71.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 737.27ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 55.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2429.41ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 38.3MB in the end (delta: 16.3MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 117.4MB. Free memory was 38.3MB in the beginning and 38.3MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 41, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someUnaryFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 50; [L23] unsigned short int var_1_4 = 60871; [L24] unsigned short int var_1_5 = 1; [L25] unsigned short int var_1_6 = 28896; [L26] unsigned short int var_1_7 = 5; [L27] float var_1_8 = 63.8; [L28] float var_1_9 = 49.5; [L29] float var_1_10 = 31.875; [L30] float var_1_11 = 255.25; [L31] float var_1_12 = 0.0; [L32] signed short int var_1_13 = -8; [L33] double var_1_15 = 10000000000000.375; [L34] unsigned short int var_1_16 = 4; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 1; VAL [isInitial=0, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=60871, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L104] isInitial = 1 [L105] FCALL initially() [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_ushort() [L68] CALL assume_abort_if_not(var_1_4 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L68] RET assume_abort_if_not(var_1_4 >= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L70] var_1_5 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L72] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L72] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L73] var_1_6 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_6 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L74] RET assume_abort_if_not(var_1_6 >= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L75] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L75] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L76] var_1_7 = __VERIFIER_nondet_ushort() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_8=319/5, var_1_9=99/2] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_8=319/5, var_1_9=99/2] [L78] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5, var_1_9=99/2] [L78] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5, var_1_9=99/2] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L80] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L82] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L83] var_1_11 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L84] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L85] var_1_12 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L86] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L87] var_1_15 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L88] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L89] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L89] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L90] var_1_17 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L91] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L92] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L92] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L93] var_1_18 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L94] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L95] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L95] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=319/5] [L108] RET updateVariables() [L109] CALL step() [L40] COND TRUE var_1_7 > var_1_5 [L41] var_1_8 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L45] unsigned short int stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=16383, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L46] COND FALSE !(stepLocal_0 <= var_1_5) [L51] var_1_13 = var_1_7 VAL [isInitial=1, var_1_13=128, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L53] COND FALSE !(var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) [L60] var_1_16 = var_1_6 VAL [isInitial=1, var_1_13=128, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L62] COND FALSE !(var_1_8 != var_1_8) VAL [isInitial=1, var_1_13=128, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((var_1_8 != var_1_8) ? (var_1_1 == ((unsigned short int) (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))))) : 1) && ((var_1_7 > var_1_5) ? (var_1_8 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_8 == ((float) (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - (var_1_12 - 3.4f)))))) && ((var_1_6 <= var_1_5) ? ((((((var_1_8) > ((var_1_12 / var_1_15))) ? (var_1_8) : ((var_1_12 / var_1_15)))) > ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) ? (var_1_13 == ((signed short int) var_1_7)) : 1) : (var_1_13 == ((signed short int) var_1_7)))) && ((var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) ? ((var_1_17 || var_1_18) ? (var_1_16 == ((unsigned short int) var_1_4)) : (var_1_16 == ((unsigned short int) var_1_7))) : (var_1_16 == ((unsigned short int) var_1_6))) ; VAL [\result=0, isInitial=1, var_1_13=128, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_13=128, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_13=128, var_1_16=16383, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=0, var_1_6=16383, var_1_7=128, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 74 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 460 NumberOfCodeBlocks, 460 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 256 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1190/1224 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 [2024-11-27 23:33:23,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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 3f0afbebe1d6d31b67ecf7ab6417fb575d69602a84a97ac1a2c9f95fa54570b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:33:26,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:33:26,726 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 23:33:26,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:33:26,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:33:26,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:33:26,832 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:33:26,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:33:26,837 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:33:26,837 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:33:26,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:33:26,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:33:26,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:33:26,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:33:26,838 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:33:26,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:33:26,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:33:26,839 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:33:26,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:33:26,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:33:26,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:33:26,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:33:26,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:33:26,840 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 23:33:26,840 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 23:33:26,840 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 23:33:26,840 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:33:26,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:33:26,840 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:33:26,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:33:26,840 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:33:26,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:33:26,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:33:26,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:33:26,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:33:26,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:33:26,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:33:26,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:33:26,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:33:26,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:33:26,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:33:26,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:33:26,842 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:33:26,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:33:26,842 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 23:33:26,842 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 23:33:26,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:33:26,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:33:26,842 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:33:26,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:33:26,852 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_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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 -> 3f0afbebe1d6d31b67ecf7ab6417fb575d69602a84a97ac1a2c9f95fa54570b5 [2024-11-27 23:33:27,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:33:27,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:33:27,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:33:27,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:33:27,304 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:33:27,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i [2024-11-27 23:33:31,068 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/data/162160dc5/a1e1bd44723846f7b7fcc791b21628f5/FLAG2f7967708 [2024-11-27 23:33:31,491 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:33:31,492 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i [2024-11-27 23:33:31,506 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/data/162160dc5/a1e1bd44723846f7b7fcc791b21628f5/FLAG2f7967708 [2024-11-27 23:33:31,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/data/162160dc5/a1e1bd44723846f7b7fcc791b21628f5 [2024-11-27 23:33:31,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:33:31,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:33:31,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:33:31,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:33:31,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:33:31,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:33:31" (1/1) ... [2024-11-27 23:33:31,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701437e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:31, skipping insertion in model container [2024-11-27 23:33:31,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:33:31" (1/1) ... [2024-11-27 23:33:31,591 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:33:31,817 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_0a9287f5-c940-4cbe-a414-4ecf0325ded6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i[913,926] [2024-11-27 23:33:31,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:33:31,942 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:33:31,956 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_0a9287f5-c940-4cbe-a414-4ecf0325ded6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i[913,926] [2024-11-27 23:33:31,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:33:32,022 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:33:32,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32 WrapperNode [2024-11-27 23:33:32,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:33:32,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:33:32,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:33:32,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:33:32,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (1/1) ... [2024-11-27 23:33:32,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (1/1) ... [2024-11-27 23:33:32,096 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-27 23:33:32,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:33:32,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:33:32,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:33:32,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:33:32,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (1/1) ... [2024-11-27 23:33:32,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (1/1) ... [2024-11-27 23:33:32,120 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (1/1) ... [2024-11-27 23:33:32,148 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]. [2024-11-27 23:33:32,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (1/1) ... [2024-11-27 23:33:32,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (1/1) ... [2024-11-27 23:33:32,164 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (1/1) ... [2024-11-27 23:33:32,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (1/1) ... [2024-11-27 23:33:32,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (1/1) ... [2024-11-27 23:33:32,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (1/1) ... [2024-11-27 23:33:32,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (1/1) ... [2024-11-27 23:33:32,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:33:32,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:33:32,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:33:32,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:33:32,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (1/1) ... [2024-11-27 23:33:32,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:33:32,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:32,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:32,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:33:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:33:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 23:33:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:33:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:33:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:33:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:33:32,414 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:33:32,418 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:33:46,141 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-27 23:33:46,141 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:33:46,162 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:33:46,162 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:33:46,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:33:46 BoogieIcfgContainer [2024-11-27 23:33:46,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:33:46,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:33:46,168 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:33:46,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:33:46,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:33:31" (1/3) ... [2024-11-27 23:33:46,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28285f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:33:46, skipping insertion in model container [2024-11-27 23:33:46,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:32" (2/3) ... [2024-11-27 23:33:46,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28285f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:33:46, skipping insertion in model container [2024-11-27 23:33:46,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:33:46" (3/3) ... [2024-11-27 23:33:46,179 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-77.i [2024-11-27 23:33:46,199 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:33:46,203 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-77.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:33:46,271 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:33:46,289 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;@77b9f9dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:33:46,289 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:33:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 23:33:46,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-27 23:33:46,306 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:46,307 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:46,309 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:46,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:46,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1364825220, now seen corresponding path program 1 times [2024-11-27 23:33:46,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:46,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188172458] [2024-11-27 23:33:46,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:46,331 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 [2024-11-27 23:33:46,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:46,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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) [2024-11-27 23:33:46,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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 [2024-11-27 23:33:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:47,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:33:47,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:47,630 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-27 23:33:47,630 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:33:47,631 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:33:47,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188172458] [2024-11-27 23:33:47,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1188172458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:47,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:47,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:33:47,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106591677] [2024-11-27 23:33:47,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:47,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:33:47,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:47,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:33:47,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:33:47,665 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-27 23:33:47,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:47,711 INFO L93 Difference]: Finished difference Result 103 states and 174 transitions. [2024-11-27 23:33:47,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:33:47,714 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-11-27 23:33:47,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:47,723 INFO L225 Difference]: With dead ends: 103 [2024-11-27 23:33:47,725 INFO L226 Difference]: Without dead ends: 51 [2024-11-27 23:33:47,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:33:47,735 INFO L435 NwaCegarLoop]: 74 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, 74 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 [2024-11-27 23:33:47,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:33:47,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-27 23:33:47,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-27 23:33:47,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 23:33:47,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2024-11-27 23:33:47,792 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 115 [2024-11-27 23:33:47,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:47,794 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2024-11-27 23:33:47,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-27 23:33:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2024-11-27 23:33:47,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-27 23:33:47,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:47,804 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:47,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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 [2024-11-27 23:33:48,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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 [2024-11-27 23:33:48,005 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:48,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:48,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1423678132, now seen corresponding path program 1 times [2024-11-27 23:33:48,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:48,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954915187] [2024-11-27 23:33:48,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:48,008 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 [2024-11-27 23:33:48,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:48,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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) [2024-11-27 23:33:48,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a9287f5-c940-4cbe-a414-4ecf0325ded6/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 [2024-11-27 23:33:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:49,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:33:49,298 INFO L279 TraceCheckSpWp]: Computing forward predicates...