./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-12.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_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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_6757e991-5bbb-4de5-9114-2eb08378ca23/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 0c0c6d17ec5ebb3727e132dea838f76b6fc640941a7a94448d0b68ae2b7e3815 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:25:28,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:25:29,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:25:29,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:25:29,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:25:29,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:25:29,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:25:29,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:25:29,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:25:29,048 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:25:29,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:25:29,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:25:29,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:25:29,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:25:29,049 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:25:29,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:25:29,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:25:29,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:25:29,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:25:29,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:25:29,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:25:29,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:25:29,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:25:29,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:25:29,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:25:29,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:25:29,050 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:25:29,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:25:29,051 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:25:29,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:25:29,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:25:29,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:25:29,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:25:29,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:25:29,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:25:29,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:25:29,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:25:29,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:25:29,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:25:29,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:25:29,052 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:25:29,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:25:29,052 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:25:29,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:25:29,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:25:29,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:25:29,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:25:29,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:25:29,052 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_6757e991-5bbb-4de5-9114-2eb08378ca23/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 -> 0c0c6d17ec5ebb3727e132dea838f76b6fc640941a7a94448d0b68ae2b7e3815 [2024-12-02 10:25:29,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:25:29,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:25:29,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:25:29,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:25:29,266 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:25:29,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-12.i [2024-12-02 10:25:31,835 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/data/c10e4e6b7/0b644cda012d439095703684e993df77/FLAG06fd16d78 [2024-12-02 10:25:32,059 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:25:32,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-12.i [2024-12-02 10:25:32,068 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/data/c10e4e6b7/0b644cda012d439095703684e993df77/FLAG06fd16d78 [2024-12-02 10:25:32,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/data/c10e4e6b7/0b644cda012d439095703684e993df77 [2024-12-02 10:25:32,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:25:32,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:25:32,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:25:32,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:25:32,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:25:32,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1469549f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32, skipping insertion in model container [2024-12-02 10:25:32,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:25:32,537 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_6757e991-5bbb-4de5-9114-2eb08378ca23/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-12.i[915,928] [2024-12-02 10:25:32,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:25:32,585 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:25:32,593 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_6757e991-5bbb-4de5-9114-2eb08378ca23/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-12.i[915,928] [2024-12-02 10:25:32,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:25:32,626 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:25:32,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32 WrapperNode [2024-12-02 10:25:32,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:25:32,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:25:32,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:25:32,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:25:32,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,659 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-12-02 10:25:32,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:25:32,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:25:32,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:25:32,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:25:32,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,669 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,682 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 10:25:32,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,688 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:25:32,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:25:32,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:25:32,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:25:32,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (1/1) ... [2024-12-02 10:25:32,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:25:32,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:25:32,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:25:32,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:25:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:25:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:25:32,744 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:25:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:25:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:25:32,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:25:32,798 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:25:32,799 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:25:32,967 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-02 10:25:32,967 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:25:32,975 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:25:32,975 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 10:25:32,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:25:32 BoogieIcfgContainer [2024-12-02 10:25:32,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:25:32,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:25:32,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:25:32,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:25:32,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:25:32" (1/3) ... [2024-12-02 10:25:32,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4769383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:25:32, skipping insertion in model container [2024-12-02 10:25:32,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:32" (2/3) ... [2024-12-02 10:25:32,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4769383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:25:32, skipping insertion in model container [2024-12-02 10:25:32,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:25:32" (3/3) ... [2024-12-02 10:25:32,982 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-12.i [2024-12-02 10:25:32,996 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:25:32,998 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-12.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:25:33,045 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:25:33,054 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;@52b570b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:25:33,055 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:25:33,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:25:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 10:25:33,067 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:25:33,068 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:25:33,069 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:25:33,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:25:33,074 INFO L85 PathProgramCache]: Analyzing trace with hash 602930330, now seen corresponding path program 1 times [2024-12-02 10:25:33,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:25:33,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483429795] [2024-12-02 10:25:33,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:25:33,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:25:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:25:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 10:25:33,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:25:33,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483429795] [2024-12-02 10:25:33,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483429795] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:25:33,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478321638] [2024-12-02 10:25:33,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:25:33,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:25:33,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:25:33,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:25:33,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:25:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:25:33,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:25:33,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:25:33,459 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 10:25:33,459 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:25:33,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478321638] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:25:33,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:25:33,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 10:25:33,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611049114] [2024-12-02 10:25:33,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:25:33,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:25:33,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:25:33,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:25:33,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:25:33,487 INFO L87 Difference]: Start difference. First operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 10:25:33,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:25:33,510 INFO L93 Difference]: Finished difference Result 103 states and 167 transitions. [2024-12-02 10:25:33,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:25:33,512 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2024-12-02 10:25:33,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:25:33,518 INFO L225 Difference]: With dead ends: 103 [2024-12-02 10:25:33,518 INFO L226 Difference]: Without dead ends: 49 [2024-12-02 10:25:33,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 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 10:25:33,523 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:25:33,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:25:33,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-12-02 10:25:33,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-12-02 10:25:33,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:25:33,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2024-12-02 10:25:33,557 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 104 [2024-12-02 10:25:33,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:25:33,558 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-12-02 10:25:33,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 10:25:33,558 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2024-12-02 10:25:33,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 10:25:33,561 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:25:33,561 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:25:33,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:25:33,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 10:25:33,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:25:33,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:25:33,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1469701990, now seen corresponding path program 1 times [2024-12-02 10:25:33,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:25:33,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81352403] [2024-12-02 10:25:33,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:25:33,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:25:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:25:34,333 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 10:25:34,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:25:34,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81352403] [2024-12-02 10:25:34,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81352403] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:25:34,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730259373] [2024-12-02 10:25:34,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:25:34,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:25:34,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:25:34,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:25:34,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:25:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:25:34,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 10:25:34,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:25:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 225 proven. 30 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-02 10:25:34,712 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:25:34,946 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 10:25:34,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730259373] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:25:34,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:25:34,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-12-02 10:25:34,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850646757] [2024-12-02 10:25:34,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:25:34,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 10:25:34,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:25:34,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 10:25:34,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:25:34,949 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 10:25:35,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:25:35,318 INFO L93 Difference]: Finished difference Result 153 states and 214 transitions. [2024-12-02 10:25:35,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 10:25:35,318 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 104 [2024-12-02 10:25:35,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:25:35,321 INFO L225 Difference]: With dead ends: 153 [2024-12-02 10:25:35,321 INFO L226 Difference]: Without dead ends: 107 [2024-12-02 10:25:35,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 205 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2024-12-02 10:25:35,322 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 105 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:25:35,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 171 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:25:35,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-12-02 10:25:35,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 54. [2024-12-02 10:25:35,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:25:35,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2024-12-02 10:25:35,339 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 104 [2024-12-02 10:25:35,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:25:35,340 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2024-12-02 10:25:35,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 10:25:35,340 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2024-12-02 10:25:35,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 10:25:35,342 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:25:35,342 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:25:35,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 10:25:35,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:25:35,543 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:25:35,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:25:35,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1526960292, now seen corresponding path program 1 times [2024-12-02 10:25:35,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:25:35,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069856486] [2024-12-02 10:25:35,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:25:35,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:25:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 10:25:35,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877969862] [2024-12-02 10:25:35,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:25:35,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:25:35,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:25:35,609 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:25:35,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 10:25:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:25:35,706 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:25:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:25:35,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:25:35,788 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:25:35,789 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:25:35,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 10:25:35,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:25:35,994 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 10:25:36,037 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:25:36,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:25:36 BoogieIcfgContainer [2024-12-02 10:25:36,041 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:25:36,042 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:25:36,042 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:25:36,042 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:25:36,043 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:25:32" (3/4) ... [2024-12-02 10:25:36,044 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:25:36,045 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:25:36,045 INFO L158 Benchmark]: Toolchain (without parser) took 3627.50ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 93.1MB in the beginning and 141.3MB in the end (delta: -48.2MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-12-02 10:25:36,046 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:25:36,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.81ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 80.0MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:25:36,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.42ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:25:36,047 INFO L158 Benchmark]: Boogie Preprocessor took 36.51ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:25:36,047 INFO L158 Benchmark]: RCFGBuilder took 278.39ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 61.3MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:25:36,047 INFO L158 Benchmark]: TraceAbstraction took 3063.86ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 60.7MB in the beginning and 141.3MB in the end (delta: -80.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-12-02 10:25:36,047 INFO L158 Benchmark]: Witness Printer took 3.17ms. Allocated memory is still 234.9MB. Free memory was 141.3MB in the beginning and 141.3MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:25:36,049 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.81ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 80.0MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.42ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.51ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.39ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 61.3MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3063.86ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 60.7MB in the beginning and 141.3MB in the end (delta: -80.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 3.17ms. Allocated memory is still 234.9MB. Free memory was 141.3MB in the beginning and 141.3MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryArithmeticFLOAToperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] signed long int var_1_2 = -8; [L24] signed long int var_1_3 = 128; [L25] unsigned char var_1_5 = 0; [L26] float var_1_6 = 128.625; [L27] float var_1_7 = 2.625; [L28] float var_1_8 = 25.5; [L29] float var_1_9 = 4.75; [L30] float var_1_10 = 16.4; [L31] float var_1_11 = 0.2; [L32] float var_1_12 = 499.1; [L33] unsigned char var_1_13 = 0; [L34] signed long int var_1_14 = -8; [L35] unsigned char var_1_15 = 1; [L36] unsigned char last_1_var_1_13 = 0; VAL [isInitial=0, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-8, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L101] isInitial = 1 [L102] FCALL initially() [L103] int k_loop; [L104] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-8, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L104] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-8, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L105] CALL updateLastVariables() [L94] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-8, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L66] var_1_2 = __VERIFIER_nondet_long() [L67] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L67] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L68] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L68] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L69] var_1_3 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L70] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L71] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L71] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L72] var_1_5 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L73] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L74] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L74] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L75] var_1_7 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_8=51/2, var_1_9=19/4] [L76] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_8=51/2, var_1_9=19/4] [L77] var_1_8 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_9=19/4] [L78] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_9=19/4] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L80] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L82] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L83] var_1_12 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L84] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L85] var_1_14 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L86] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L87] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L87] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L88] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L88] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L89] var_1_15 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L90] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L91] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L91] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L106] RET updateVariables() [L107] CALL step() [L40] signed long int stepLocal_1 = var_1_3; [L41] signed long int stepLocal_0 = var_1_2; VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-3, stepLocal_1=-1, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L42] COND FALSE !(! (-50 < var_1_2)) VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-3, stepLocal_1=-1, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L51] COND FALSE !(var_1_2 > (var_1_3 / var_1_14)) [L58] var_1_13 = var_1_5 VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-3, stepLocal_1=-1, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L60] COND FALSE !(\read(var_1_13)) VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-3, stepLocal_1=-1, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L63] var_1_11 = (((((2.5f) < (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12))))) ? (2.5f) : (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12)))))) + 0.125f) VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-3, stepLocal_1=-1, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L107] RET step() [L108] CALL, EXPR property() [L97-L98] return ((((! (-50 < var_1_2)) ? ((var_1_2 != var_1_3) ? ((var_1_3 <= var_1_2) ? (var_1_1 == ((unsigned char) (last_1_var_1_13 && var_1_5))) : 1) : (var_1_1 == ((unsigned char) var_1_5))) : 1) && (var_1_13 ? (var_1_6 == ((float) (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_9)) > (var_1_10)) ? ((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_9)) : (var_1_10))))) : 1)) && (var_1_11 == ((float) (((((2.5f) < (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12))))) ? (2.5f) : (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12)))))) + 0.125f)))) && ((var_1_2 > (var_1_3 / var_1_14)) ? (var_1_1 ? (var_1_13 == ((unsigned char) (! var_1_15))) : (var_1_13 == ((unsigned char) 0))) : (var_1_13 == ((unsigned char) var_1_5))) ; VAL [\result=0, isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-3, var_1_3=-1, var_1_5=0, var_1_6=1029/8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 245 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 172 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 121 mSDtfsCounter, 172 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 326 GetRequests, 310 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=2, InterpolantAutomatonStates: 17, 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, 2 MinimizatonAttempts, 53 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 515 ConstructedInterpolants, 0 QuantifiedInterpolants, 979 SizeOfPredicates, 2 NumberOfNonLiveVariables, 484 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 2280/2400 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 10:25:36,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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_6757e991-5bbb-4de5-9114-2eb08378ca23/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 0c0c6d17ec5ebb3727e132dea838f76b6fc640941a7a94448d0b68ae2b7e3815 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:25:38,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:25:38,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:25:38,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:25:38,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:25:38,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:25:38,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:25:38,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:25:38,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:25:38,138 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:25:38,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:25:38,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:25:38,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:25:38,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:25:38,138 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:25:38,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:25:38,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:25:38,139 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:25:38,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:25:38,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:25:38,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:25:38,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:25:38,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:25:38,140 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:25:38,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:25:38,140 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:25:38,140 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:25:38,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:25:38,140 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:25:38,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:25:38,140 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:25:38,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:25:38,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:25:38,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:25:38,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:25:38,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:25:38,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:25:38,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:25:38,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:25:38,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:25:38,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:25:38,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:25:38,141 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:25:38,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:25:38,142 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:25:38,142 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:25:38,142 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:25:38,142 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:25:38,142 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:25:38,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:25:38,142 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_6757e991-5bbb-4de5-9114-2eb08378ca23/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 -> 0c0c6d17ec5ebb3727e132dea838f76b6fc640941a7a94448d0b68ae2b7e3815 [2024-12-02 10:25:38,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:25:38,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:25:38,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:25:38,394 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:25:38,395 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:25:38,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-12.i [2024-12-02 10:25:41,124 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/data/d2ba4285d/b63a22e82dbc40378e83e4ff6fb7f880/FLAGb7781c996 [2024-12-02 10:25:41,330 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:25:41,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-12.i [2024-12-02 10:25:41,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/data/d2ba4285d/b63a22e82dbc40378e83e4ff6fb7f880/FLAGb7781c996 [2024-12-02 10:25:41,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/data/d2ba4285d/b63a22e82dbc40378e83e4ff6fb7f880 [2024-12-02 10:25:41,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:25:41,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:25:41,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:25:41,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:25:41,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:25:41,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af6746f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41, skipping insertion in model container [2024-12-02 10:25:41,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:25:41,478 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_6757e991-5bbb-4de5-9114-2eb08378ca23/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-12.i[915,928] [2024-12-02 10:25:41,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:25:41,530 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:25:41,538 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_6757e991-5bbb-4de5-9114-2eb08378ca23/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-12.i[915,928] [2024-12-02 10:25:41,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:25:41,572 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:25:41,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41 WrapperNode [2024-12-02 10:25:41,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:25:41,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:25:41,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:25:41,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:25:41,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,611 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-12-02 10:25:41,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:25:41,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:25:41,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:25:41,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:25:41,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,623 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,633 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 10:25:41,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,641 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:25:41,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:25:41,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:25:41,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:25:41,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (1/1) ... [2024-12-02 10:25:41,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:25:41,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:25:41,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:25:41,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:25:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:25:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:25:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:25:41,707 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:25:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:25:41,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:25:41,768 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:25:41,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:25:42,253 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-02 10:25:42,253 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:25:42,262 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:25:42,262 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 10:25:42,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:25:42 BoogieIcfgContainer [2024-12-02 10:25:42,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:25:42,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:25:42,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:25:42,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:25:42,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:25:41" (1/3) ... [2024-12-02 10:25:42,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781d3ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:25:42, skipping insertion in model container [2024-12-02 10:25:42,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:25:41" (2/3) ... [2024-12-02 10:25:42,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@781d3ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:25:42, skipping insertion in model container [2024-12-02 10:25:42,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:25:42" (3/3) ... [2024-12-02 10:25:42,272 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-12.i [2024-12-02 10:25:42,283 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:25:42,285 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-12.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:25:42,324 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:25:42,336 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;@49d8596, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:25:42,336 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:25:42,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:25:42,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 10:25:42,348 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:25:42,349 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:25:42,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:25:42,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:25:42,354 INFO L85 PathProgramCache]: Analyzing trace with hash 602930330, now seen corresponding path program 1 times [2024-12-02 10:25:42,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:25:42,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364170530] [2024-12-02 10:25:42,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:25:42,365 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 10:25:42,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:25:42,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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 10:25:42,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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 10:25:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:25:42,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:25:42,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:25:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-12-02 10:25:42,718 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:25:42,719 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:25:42,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364170530] [2024-12-02 10:25:42,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364170530] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:25:42,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:25:42,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:25:42,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081415752] [2024-12-02 10:25:42,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:25:42,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:25:42,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:25:42,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:25:42,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:25:42,739 INFO L87 Difference]: Start difference. First operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 10:25:42,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:25:42,755 INFO L93 Difference]: Finished difference Result 103 states and 167 transitions. [2024-12-02 10:25:42,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:25:42,756 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2024-12-02 10:25:42,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:25:42,761 INFO L225 Difference]: With dead ends: 103 [2024-12-02 10:25:42,761 INFO L226 Difference]: Without dead ends: 49 [2024-12-02 10:25:42,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:25:42,765 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:25:42,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:25:42,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-12-02 10:25:42,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-12-02 10:25:42,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:25:42,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2024-12-02 10:25:42,792 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 104 [2024-12-02 10:25:42,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:25:42,793 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-12-02 10:25:42,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 10:25:42,793 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2024-12-02 10:25:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 10:25:42,795 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:25:42,795 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:25:42,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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 10:25:42,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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 10:25:42,996 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:25:42,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:25:42,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1469701990, now seen corresponding path program 1 times [2024-12-02 10:25:42,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:25:42,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103772289] [2024-12-02 10:25:42,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:25:42,997 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 10:25:42,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:25:42,999 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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 10:25:43,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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 10:25:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:25:43,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 10:25:43,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:25:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 225 proven. 30 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-02 10:25:43,548 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:25:43,805 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 10:25:43,805 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:25:43,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103772289] [2024-12-02 10:25:43,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1103772289] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:25:43,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 10:25:43,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-12-02 10:25:43,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608679907] [2024-12-02 10:25:43,806 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 10:25:43,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:25:43,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:25:43,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:25:43,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:25:43,808 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 10:25:44,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:25:44,602 INFO L93 Difference]: Finished difference Result 157 states and 218 transitions. [2024-12-02 10:25:44,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 10:25:44,603 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 104 [2024-12-02 10:25:44,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:25:44,604 INFO L225 Difference]: With dead ends: 157 [2024-12-02 10:25:44,604 INFO L226 Difference]: Without dead ends: 111 [2024-12-02 10:25:44,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-12-02 10:25:44,605 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 93 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:25:44,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 146 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 10:25:44,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-12-02 10:25:44,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 54. [2024-12-02 10:25:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:25:44,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2024-12-02 10:25:44,614 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 104 [2024-12-02 10:25:44,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:25:44,615 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2024-12-02 10:25:44,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 10:25:44,615 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2024-12-02 10:25:44,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 10:25:44,616 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:25:44,616 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:25:44,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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)] Ended with exit code 0 [2024-12-02 10:25:44,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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 10:25:44,817 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:25:44,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:25:44,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1526960292, now seen corresponding path program 1 times [2024-12-02 10:25:44,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:25:44,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1907482937] [2024-12-02 10:25:44,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:25:44,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:25:44,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:25:44,820 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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 10:25:44,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6757e991-5bbb-4de5-9114-2eb08378ca23/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 (4)] Waiting until timeout for monitored process [2024-12-02 10:25:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:25:45,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 10:25:45,077 INFO L279 TraceCheckSpWp]: Computing forward predicates...