./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.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_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1 --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 8e71cde4c3ce759247922c8d73cd0482952aedbfd0a1826f55f8bb77593825aa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:20:00,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:20:00,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 08:20:00,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:20:00,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:20:00,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:20:00,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:20:00,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:20:00,525 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:20:00,525 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:20:00,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:20:00,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:20:00,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:20:00,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:20:00,525 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:20:00,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:20:00,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:20:00,526 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:20:00,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:20:00,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:20:00,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:20:00,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:20:00,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:20:00,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:20:00,526 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:20:00,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:20:00,526 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:20:00,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:20:00,527 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:20:00,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:20:00,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:20:00,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:20:00,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:20:00,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:20:00,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:20:00,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:20:00,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:20:00,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:20:00,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:20:00,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:20:00,528 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:20:00,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:20:00,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:20:00,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:20:00,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:20:00,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:20:00,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:20:00,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:20:00,529 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_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1 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 -> 8e71cde4c3ce759247922c8d73cd0482952aedbfd0a1826f55f8bb77593825aa [2024-12-02 08:20:00,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:20:00,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:20:00,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:20:00,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:20:00,760 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:20:00,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i [2024-12-02 08:20:03,454 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/data/50ff066b8/89ce2936e213488ca6bafe30274f7bf2/FLAGd17845f85 [2024-12-02 08:20:03,669 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:20:03,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i [2024-12-02 08:20:03,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/data/50ff066b8/89ce2936e213488ca6bafe30274f7bf2/FLAGd17845f85 [2024-12-02 08:20:04,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/data/50ff066b8/89ce2936e213488ca6bafe30274f7bf2 [2024-12-02 08:20:04,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:20:04,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:20:04,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:20:04,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:20:04,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:20:04,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef19c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04, skipping insertion in model container [2024-12-02 08:20:04,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,057 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:20:04,163 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_c40aab92-7842-460f-8454-f3196e4d1cc9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i[915,928] [2024-12-02 08:20:04,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:20:04,212 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:20:04,221 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_c40aab92-7842-460f-8454-f3196e4d1cc9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i[915,928] [2024-12-02 08:20:04,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:20:04,255 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:20:04,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04 WrapperNode [2024-12-02 08:20:04,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:20:04,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:20:04,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:20:04,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:20:04,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,288 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 128 [2024-12-02 08:20:04,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:20:04,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:20:04,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:20:04,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:20:04,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,298 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,311 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]. [2024-12-02 08:20:04,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,317 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:20:04,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:20:04,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:20:04,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:20:04,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (1/1) ... [2024-12-02 08:20:04,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:20:04,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:20:04,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:20:04,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:20:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:20:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:20:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:20:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:20:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:20:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:20:04,440 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:20:04,442 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:20:04,626 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 08:20:04,626 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:20:04,637 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:20:04,637 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:20:04,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:20:04 BoogieIcfgContainer [2024-12-02 08:20:04,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:20:04,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:20:04,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:20:04,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:20:04,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:20:04" (1/3) ... [2024-12-02 08:20:04,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c83924e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:20:04, skipping insertion in model container [2024-12-02 08:20:04,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:04" (2/3) ... [2024-12-02 08:20:04,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c83924e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:20:04, skipping insertion in model container [2024-12-02 08:20:04,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:20:04" (3/3) ... [2024-12-02 08:20:04,645 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-80.i [2024-12-02 08:20:04,658 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:20:04,660 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-80.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:20:04,705 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:20:04,715 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;@761a187e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:20:04,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:20:04,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 08:20:04,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 08:20:04,728 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:20:04,728 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:20:04,729 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:20:04,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:20:04,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1074696616, now seen corresponding path program 1 times [2024-12-02 08:20:04,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:20:04,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256143725] [2024-12-02 08:20:04,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:20:04,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:20:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:20:04,964 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 08:20:04,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:20:04,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256143725] [2024-12-02 08:20:04,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256143725] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:20:04,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785557310] [2024-12-02 08:20:04,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:20:04,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:20:04,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:20:04,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:20:04,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:20:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:20:05,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:20:05,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:20:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 08:20:05,138 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:20:05,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785557310] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:20:05,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:20:05,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 08:20:05,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851273248] [2024-12-02 08:20:05,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:20:05,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:20:05,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:20:05,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:20:05,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:20:05,167 INFO L87 Difference]: Start difference. First operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 08:20:05,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:20:05,185 INFO L93 Difference]: Finished difference Result 113 states and 196 transitions. [2024-12-02 08:20:05,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:20:05,187 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135 [2024-12-02 08:20:05,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:20:05,191 INFO L225 Difference]: With dead ends: 113 [2024-12-02 08:20:05,192 INFO L226 Difference]: Without dead ends: 56 [2024-12-02 08:20:05,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:20:05,197 INFO L435 NwaCegarLoop]: 83 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, 83 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 [2024-12-02 08:20:05,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:20:05,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-02 08:20:05,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-12-02 08:20:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 08:20:05,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2024-12-02 08:20:05,238 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 135 [2024-12-02 08:20:05,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:20:05,239 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2024-12-02 08:20:05,239 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 08:20:05,239 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-12-02 08:20:05,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 08:20:05,242 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:20:05,243 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:20:05,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:20:05,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 08:20:05,443 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:20:05,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:20:05,444 INFO L85 PathProgramCache]: Analyzing trace with hash -989170140, now seen corresponding path program 1 times [2024-12-02 08:20:05,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:20:05,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970162789] [2024-12-02 08:20:05,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:20:05,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:20:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 08:20:05,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524740004] [2024-12-02 08:20:05,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:20:05,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:20:05,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:20:05,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:20:05,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:20:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:20:05,693 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:20:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:20:05,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 08:20:05,793 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 08:20:05,794 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:20:05,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:20:05,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:20:05,998 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 08:20:06,057 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:20:06,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:20:06 BoogieIcfgContainer [2024-12-02 08:20:06,061 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:20:06,061 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:20:06,062 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:20:06,062 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:20:06,062 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:20:04" (3/4) ... [2024-12-02 08:20:06,065 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 08:20:06,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:20:06,066 INFO L158 Benchmark]: Toolchain (without parser) took 2028.34ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 37.4MB in the end (delta: 55.4MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2024-12-02 08:20:06,067 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:20:06,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.42ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.1MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:20:06,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.82ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:20:06,067 INFO L158 Benchmark]: Boogie Preprocessor took 37.23ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:20:06,068 INFO L158 Benchmark]: RCFGBuilder took 310.30ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 61.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:20:06,068 INFO L158 Benchmark]: TraceAbstraction took 1421.32ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 38.0MB in the end (delta: 22.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-12-02 08:20:06,068 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 117.4MB. Free memory was 38.0MB in the beginning and 37.4MB in the end (delta: 591.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:20:06,070 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.42ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.1MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.82ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.23ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 310.30ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 61.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1421.32ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 38.0MB in the end (delta: 22.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 117.4MB. Free memory was 38.0MB in the beginning and 37.4MB in the end (delta: 591.3kB). 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 91, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_2 = -128; [L24] signed long int var_1_3 = 8; [L25] signed long int var_1_4 = 0; [L26] signed long int var_1_5 = 8; [L27] signed long int var_1_6 = 10; [L28] signed long int var_1_7 = 5; [L29] signed long int var_1_8 = 128; [L30] signed short int var_1_9 = 128; [L31] float var_1_10 = 64.4; [L32] float var_1_11 = 10.25; [L33] double var_1_12 = 63.175; [L34] unsigned char var_1_13 = 1; [L35] double var_1_14 = 128.5; [L36] double var_1_15 = 128.8; VAL [isInitial=0, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=-128, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L107] isInitial = 1 [L108] FCALL initially() [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L66] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L67] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L67] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L68] var_1_3 = __VERIFIER_nondet_long() [L69] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L69] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L70] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L70] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L71] var_1_4 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L73] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L74] var_1_5 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L75] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L76] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L76] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L77] var_1_6 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L79] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L79] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L80] var_1_7 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L81] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L82] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L82] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L83] var_1_8 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L84] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L85] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L85] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L86] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L86] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L87] var_1_9 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_9 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L88] RET assume_abort_if_not(var_1_9 >= -32767) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L89] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L89] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L90] var_1_11 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && 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_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L91] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L92] var_1_13 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L93] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L94] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L94] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L95] var_1_14 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L96] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L97] var_1_15 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L98] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L111] RET updateVariables() [L112] CALL step() [L40] COND TRUE (((((var_1_3 - var_1_4)) > (var_1_2)) ? ((var_1_3 - var_1_4)) : (var_1_2))) <= (((((var_1_5 - var_1_6)) < ((var_1_7 % var_1_8))) ? ((var_1_5 - var_1_6)) : ((var_1_7 % var_1_8)))) [L41] var_1_1 = var_1_9 VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L43] COND FALSE !(var_1_8 > var_1_1) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L48] signed long int stepLocal_1 = var_1_5; [L49] signed short int stepLocal_0 = var_1_1; VAL [isInitial=1, stepLocal_0=3, stepLocal_1=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L50] COND FALSE !(stepLocal_0 <= var_1_8) [L61] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_1=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return ((((((((var_1_3 - var_1_4)) > (var_1_2)) ? ((var_1_3 - var_1_4)) : (var_1_2))) <= (((((var_1_5 - var_1_6)) < ((var_1_7 % var_1_8))) ? ((var_1_5 - var_1_6)) : ((var_1_7 % var_1_8))))) ? (var_1_1 == ((signed short int) var_1_9)) : 1) && ((var_1_8 > var_1_1) ? ((var_1_1 == var_1_4) ? (var_1_10 == ((float) var_1_11)) : 1) : 1)) && ((var_1_1 <= var_1_8) ? ((var_1_5 != -64) ? (var_1_13 ? (var_1_12 == ((double) ((((var_1_14 - var_1_15) < 0 ) ? -(var_1_14 - var_1_15) : (var_1_14 - var_1_15))))) : (var_1_12 == ((double) (var_1_15 - var_1_14)))) : (var_1_12 == ((double) 32.8))) : (var_1_12 == ((double) var_1_11))) ; VAL [\result=0, isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L19] reach_error() VAL [isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 22, 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, 83 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, 83 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 300 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1806/1848 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 [2024-12-02 08:20:06,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/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_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1 --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 8e71cde4c3ce759247922c8d73cd0482952aedbfd0a1826f55f8bb77593825aa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:20:08,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:20:08,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 08:20:08,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:20:08,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:20:08,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:20:08,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:20:08,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:20:08,217 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:20:08,217 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:20:08,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:20:08,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:20:08,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:20:08,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:20:08,218 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:20:08,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:20:08,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:20:08,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:20:08,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:20:08,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:20:08,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:20:08,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:20:08,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:20:08,219 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 08:20:08,219 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 08:20:08,219 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 08:20:08,219 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:20:08,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:20:08,219 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:20:08,219 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:20:08,219 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:20:08,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:20:08,220 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:20:08,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:20:08,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:20:08,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:20:08,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:20:08,220 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:20:08,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:20:08,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:20:08,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:20:08,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:20:08,220 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:20:08,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:20:08,221 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 08:20:08,221 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 08:20:08,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:20:08,221 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:20:08,221 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:20:08,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:20:08,221 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_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1 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 -> 8e71cde4c3ce759247922c8d73cd0482952aedbfd0a1826f55f8bb77593825aa [2024-12-02 08:20:08,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:20:08,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:20:08,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:20:08,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:20:08,492 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:20:08,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i [2024-12-02 08:20:11,122 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/data/6f0133f82/bd72ecf3c21d42b8815da09553f12601/FLAGd0a9b0db1 [2024-12-02 08:20:11,365 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:20:11,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i [2024-12-02 08:20:11,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/data/6f0133f82/bd72ecf3c21d42b8815da09553f12601/FLAGd0a9b0db1 [2024-12-02 08:20:11,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/data/6f0133f82/bd72ecf3c21d42b8815da09553f12601 [2024-12-02 08:20:11,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:20:11,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:20:11,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:20:11,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:20:11,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:20:11,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234c280d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11, skipping insertion in model container [2024-12-02 08:20:11,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,739 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:20:11,844 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_c40aab92-7842-460f-8454-f3196e4d1cc9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i[915,928] [2024-12-02 08:20:11,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:20:11,885 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:20:11,893 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_c40aab92-7842-460f-8454-f3196e4d1cc9/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-80.i[915,928] [2024-12-02 08:20:11,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:20:11,920 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:20:11,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11 WrapperNode [2024-12-02 08:20:11,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:20:11,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:20:11,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:20:11,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:20:11,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,951 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-12-02 08:20:11,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:20:11,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:20:11,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:20:11,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:20:11,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,961 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,969 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]. [2024-12-02 08:20:11,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,978 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:20:11,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:20:11,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:20:11,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:20:11,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (1/1) ... [2024-12-02 08:20:11,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:20:12,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:20:12,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:20:12,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:20:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:20:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 08:20:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:20:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:20:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:20:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:20:12,101 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:20:12,102 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:20:14,056 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 08:20:14,056 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:20:14,066 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:20:14,066 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:20:14,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:20:14 BoogieIcfgContainer [2024-12-02 08:20:14,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:20:14,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:20:14,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:20:14,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:20:14,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:20:11" (1/3) ... [2024-12-02 08:20:14,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d07adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:20:14, skipping insertion in model container [2024-12-02 08:20:14,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:20:11" (2/3) ... [2024-12-02 08:20:14,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d07adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:20:14, skipping insertion in model container [2024-12-02 08:20:14,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:20:14" (3/3) ... [2024-12-02 08:20:14,076 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-80.i [2024-12-02 08:20:14,090 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:20:14,092 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-80.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:20:14,133 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:20:14,144 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;@342d803b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:20:14,144 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:20:14,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 08:20:14,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 08:20:14,156 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:20:14,157 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:20:14,157 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:20:14,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:20:14,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1074696616, now seen corresponding path program 1 times [2024-12-02 08:20:14,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:20:14,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301691040] [2024-12-02 08:20:14,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:20:14,170 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 [2024-12-02 08:20:14,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:20:14,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 08:20:14,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 08:20:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:20:14,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:20:14,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:20:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 08:20:14,586 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:20:14,587 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:20:14,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301691040] [2024-12-02 08:20:14,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301691040] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:20:14,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:20:14,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:20:14,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743375520] [2024-12-02 08:20:14,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:20:14,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:20:14,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:20:14,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:20:14,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:20:14,613 INFO L87 Difference]: Start difference. First operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) 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, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 08:20:14,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:20:14,638 INFO L93 Difference]: Finished difference Result 113 states and 196 transitions. [2024-12-02 08:20:14,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:20:14,640 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, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135 [2024-12-02 08:20:14,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:20:14,647 INFO L225 Difference]: With dead ends: 113 [2024-12-02 08:20:14,647 INFO L226 Difference]: Without dead ends: 56 [2024-12-02 08:20:14,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:20:14,653 INFO L435 NwaCegarLoop]: 83 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, 83 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 [2024-12-02 08:20:14,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:20:14,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-02 08:20:14,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-12-02 08:20:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 08:20:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2024-12-02 08:20:14,691 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 135 [2024-12-02 08:20:14,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:20:14,691 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2024-12-02 08:20:14,691 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, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 08:20:14,691 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-12-02 08:20:14,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 08:20:14,693 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:20:14,694 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:20:14,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 08:20:14,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 08:20:14,894 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:20:14,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:20:14,895 INFO L85 PathProgramCache]: Analyzing trace with hash -989170140, now seen corresponding path program 1 times [2024-12-02 08:20:14,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:20:14,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456031058] [2024-12-02 08:20:14,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:20:14,896 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 [2024-12-02 08:20:14,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:20:14,898 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 08:20:14,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c40aab92-7842-460f-8454-f3196e4d1cc9/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 08:20:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:20:15,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 08:20:15,268 INFO L279 TraceCheckSpWp]: Computing forward predicates...