./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.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_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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 ebd450d45b6e74a7932eec9848ae0cf358cd00d24cc83ea5ec60a19fac36ea9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:40:25,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:40:25,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:40:25,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:40:25,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:40:25,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:40:25,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:40:25,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:40:25,839 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:40:25,839 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:40:25,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:40:25,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:40:25,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:40:25,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:40:25,840 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:40:25,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:40:25,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:40:25,840 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:40:25,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:40:25,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:40:25,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:40:25,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:40:25,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:40:25,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:40:25,841 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:40:25,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:40:25,841 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:40:25,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:40:25,841 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:40:25,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:40:25,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:40:25,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:40:25,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:40:25,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:40:25,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:40:25,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:40:25,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:40:25,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:40:25,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:40:25,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:40:25,842 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:40:25,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:40:25,842 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:40:25,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:40:25,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:40:25,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:40:25,842 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:40:25,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:40:25,842 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_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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 -> ebd450d45b6e74a7932eec9848ae0cf358cd00d24cc83ea5ec60a19fac36ea9d [2024-12-02 15:40:26,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:40:26,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:40:26,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:40:26,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:40:26,068 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:40:26,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i [2024-12-02 15:40:28,715 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/data/0434ceb32/6784e9e6b6b045d5a9beb655d83c36d1/FLAG50b221664 [2024-12-02 15:40:28,891 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:40:28,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i [2024-12-02 15:40:28,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/data/0434ceb32/6784e9e6b6b045d5a9beb655d83c36d1/FLAG50b221664 [2024-12-02 15:40:29,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/data/0434ceb32/6784e9e6b6b045d5a9beb655d83c36d1 [2024-12-02 15:40:29,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:40:29,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:40:29,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:40:29,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:40:29,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:40:29,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4935d1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29, skipping insertion in model container [2024-12-02 15:40:29,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:40:29,359 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_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i[915,928] [2024-12-02 15:40:29,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:40:29,392 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:40:29,402 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_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i[915,928] [2024-12-02 15:40:29,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:40:29,424 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:40:29,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29 WrapperNode [2024-12-02 15:40:29,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:40:29,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:40:29,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:40:29,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:40:29,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,451 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-12-02 15:40:29,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:40:29,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:40:29,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:40:29,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:40:29,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,470 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 15:40:29,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,474 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:40:29,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:40:29,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:40:29,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:40:29,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (1/1) ... [2024-12-02 15:40:29,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:40:29,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:40:29,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:40:29,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:40:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:40:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:40:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:40:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:40:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:40:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:40:29,600 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:40:29,602 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:40:29,787 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-02 15:40:29,787 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:40:29,797 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:40:29,797 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 15:40:29,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:40:29 BoogieIcfgContainer [2024-12-02 15:40:29,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:40:29,800 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:40:29,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:40:29,805 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:40:29,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:40:29" (1/3) ... [2024-12-02 15:40:29,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e26bb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:40:29, skipping insertion in model container [2024-12-02 15:40:29,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:29" (2/3) ... [2024-12-02 15:40:29,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e26bb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:40:29, skipping insertion in model container [2024-12-02 15:40:29,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:40:29" (3/3) ... [2024-12-02 15:40:29,807 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-29.i [2024-12-02 15:40:29,823 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:40:29,824 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-29.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:40:29,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:40:29,886 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;@37eed28b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:40:29,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:40:29,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 15:40:29,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-02 15:40:29,897 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:40:29,898 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:40:29,899 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:40:29,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:40:29,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1816233740, now seen corresponding path program 1 times [2024-12-02 15:40:29,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:40:29,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028896716] [2024-12-02 15:40:29,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:40:29,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:40:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:40:30,070 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:40:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:40:30,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:40:30,148 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:40:30,149 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:40:30,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:40:30,154 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-12-02 15:40:30,199 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:40:30,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:40:30 BoogieIcfgContainer [2024-12-02 15:40:30,202 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:40:30,203 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:40:30,203 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:40:30,203 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:40:30,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:40:29" (3/4) ... [2024-12-02 15:40:30,206 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:40:30,206 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:40:30,207 INFO L158 Benchmark]: Toolchain (without parser) took 946.89ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 90.4MB in the end (delta: 1.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-12-02 15:40:30,208 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:40:30,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.71ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.7MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:40:30,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.04ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:40:30,209 INFO L158 Benchmark]: Boogie Preprocessor took 30.02ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 75.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:40:30,209 INFO L158 Benchmark]: RCFGBuilder took 315.06ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 61.4MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:40:30,209 INFO L158 Benchmark]: TraceAbstraction took 402.16ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 91.0MB in the end (delta: -30.1MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-12-02 15:40:30,209 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 91.0MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:40:30,211 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.71ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.7MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.04ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.02ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 75.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 315.06ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 61.4MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 402.16ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 91.0MB in the end (delta: -30.1MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 91.0MB 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 47, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 2.5; [L23] unsigned char var_1_2 = 0; [L24] float var_1_3 = 9.3; [L25] float var_1_4 = 3.4; [L26] unsigned short int var_1_5 = 32; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 64; [L29] unsigned short int var_1_8 = 16; [L30] unsigned short int var_1_9 = 1; VAL [isInitial=0, var_1_1=5/2, var_1_2=0, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L80] isInitial = 1 [L81] FCALL initially() [L82] int k_loop; [L83] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_1=5/2, var_1_2=0, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L83] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, var_1_1=5/2, var_1_2=0, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L84] FCALL updateLastVariables() [L85] CALL updateVariables() [L56] var_1_2 = __VERIFIER_nondet_uchar() [L57] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L57] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=5/2, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L58] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L58] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L59] var_1_3 = __VERIFIER_nondet_float() [L60] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L60] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L61] var_1_4 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L62] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L63] var_1_6 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_7=64, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_7=64, var_1_8=16, var_1_9=1] [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_7=64, var_1_8=16, var_1_9=1] [L65] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_7=64, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_7=64, var_1_8=16, var_1_9=1] [L65] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_7=64, var_1_8=16, var_1_9=1] [L66] var_1_7 = __VERIFIER_nondet_ushort() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_8=16, var_1_9=1] [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_8=16, var_1_9=1] [L68] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_7=32767, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_7=32767, var_1_8=16, var_1_9=1] [L68] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_7=32767, var_1_8=16, var_1_9=1] [L69] var_1_8 = __VERIFIER_nondet_ushort() [L70] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_7=32767, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_7=32767, var_1_9=1] [L70] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_7=32767, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_7=32767, var_1_8=65534, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_7=32767, var_1_8=65534, var_1_9=1] [L71] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_5=32, var_1_6=32767, var_1_7=32767, var_1_8=65534, var_1_9=1] [L85] RET updateVariables() [L86] CALL step() [L34] COND TRUE \read(var_1_2) [L35] var_1_1 = var_1_3 VAL [isInitial=1, var_1_1=327675, var_1_2=1, var_1_3=327675, var_1_5=32, var_1_6=32767, var_1_7=32767, var_1_8=65534, var_1_9=1] [L41] COND FALSE !((var_1_1 + 8.125) > (var_1_1 * var_1_3)) [L44] var_1_5 = var_1_8 VAL [isInitial=1, var_1_1=327675, var_1_2=1, var_1_3=327675, var_1_5=65534, var_1_6=32767, var_1_7=32767, var_1_8=65534, var_1_9=1] [L46] signed long int stepLocal_0 = 5 * var_1_8; VAL [isInitial=1, stepLocal_0=327670, var_1_1=327675, var_1_2=1, var_1_3=327675, var_1_5=65534, var_1_6=32767, var_1_7=32767, var_1_8=65534, var_1_9=1] [L47] COND FALSE !(((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1) VAL [isInitial=1, stepLocal_0=327670, var_1_1=327675, var_1_2=1, var_1_3=327675, var_1_5=65534, var_1_6=32767, var_1_7=32767, var_1_8=65534, var_1_9=1] [L86] RET step() [L87] CALL, EXPR property() [L76-L77] return ((var_1_2 ? (var_1_1 == ((float) var_1_3)) : ((! (var_1_3 < var_1_4)) ? (var_1_1 == ((float) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : 1)) && (((var_1_1 + 8.125) > (var_1_1 * var_1_3)) ? (var_1_5 == ((unsigned short int) (((((var_1_6 + var_1_7)) > (var_1_8)) ? ((var_1_6 + var_1_7)) : (var_1_8))))) : (var_1_5 == ((unsigned short int) var_1_8)))) && ((((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1) ? ((var_1_6 > (5 * var_1_8)) ? ((var_1_1 < (var_1_1 * 256.5f)) ? (var_1_9 == ((unsigned short int) var_1_6)) : 1) : 1) : 1) ; VAL [\result=0, isInitial=1, var_1_1=327675, var_1_2=1, var_1_3=327675, var_1_5=65534, var_1_6=32767, var_1_7=32767, var_1_8=65534, var_1_9=1] [L87] RET, EXPR property() [L87] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=327675, var_1_2=1, var_1_3=327675, var_1_5=65534, var_1_6=32767, var_1_7=32767, var_1_8=65534, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_1=327675, var_1_2=1, var_1_3=327675, var_1_5=65534, var_1_6=32767, var_1_7=32767, var_1_8=65534, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 15:40:30,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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 ebd450d45b6e74a7932eec9848ae0cf358cd00d24cc83ea5ec60a19fac36ea9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:40:32,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:40:32,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:40:32,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:40:32,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:40:32,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:40:32,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:40:32,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:40:32,223 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:40:32,224 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:40:32,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:40:32,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:40:32,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:40:32,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:40:32,224 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:40:32,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:40:32,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:40:32,225 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:40:32,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:40:32,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:40:32,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:40:32,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:40:32,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:40:32,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:40:32,225 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:40:32,225 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:40:32,226 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:40:32,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:40:32,226 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:40:32,226 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:40:32,226 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:40:32,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:40:32,226 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:40:32,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:40:32,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:40:32,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:40:32,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:40:32,226 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:40:32,227 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:40:32,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:40:32,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:40:32,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:40:32,227 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:40:32,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:40:32,227 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:40:32,227 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:40:32,227 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:40:32,227 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:40:32,227 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:40:32,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:40:32,228 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_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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 -> ebd450d45b6e74a7932eec9848ae0cf358cd00d24cc83ea5ec60a19fac36ea9d [2024-12-02 15:40:32,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:40:32,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:40:32,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:40:32,474 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:40:32,474 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:40:32,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i [2024-12-02 15:40:35,149 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/data/f527d41ae/9366c207bad544e09e137d6997b9d6d0/FLAG740440865 [2024-12-02 15:40:35,323 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:40:35,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i [2024-12-02 15:40:35,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/data/f527d41ae/9366c207bad544e09e137d6997b9d6d0/FLAG740440865 [2024-12-02 15:40:35,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/data/f527d41ae/9366c207bad544e09e137d6997b9d6d0 [2024-12-02 15:40:35,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:40:35,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:40:35,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:40:35,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:40:35,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:40:35,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320d8afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35, skipping insertion in model container [2024-12-02 15:40:35,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:40:35,474 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_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i[915,928] [2024-12-02 15:40:35,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:40:35,524 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:40:35,532 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_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i[915,928] [2024-12-02 15:40:35,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:40:35,561 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:40:35,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35 WrapperNode [2024-12-02 15:40:35,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:40:35,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:40:35,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:40:35,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:40:35,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,594 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-12-02 15:40:35,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:40:35,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:40:35,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:40:35,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:40:35,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,606 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,614 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 15:40:35,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,620 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:40:35,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:40:35,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:40:35,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:40:35,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (1/1) ... [2024-12-02 15:40:35,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:40:35,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:40:35,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:40:35,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:40:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:40:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:40:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:40:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:40:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:40:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:40:35,732 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:40:35,733 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:40:42,820 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-02 15:40:42,820 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:40:42,827 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:40:42,827 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 15:40:42,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:40:42 BoogieIcfgContainer [2024-12-02 15:40:42,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:40:42,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:40:42,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:40:42,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:40:42,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:40:35" (1/3) ... [2024-12-02 15:40:42,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d015a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:40:42, skipping insertion in model container [2024-12-02 15:40:42,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:40:35" (2/3) ... [2024-12-02 15:40:42,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d015a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:40:42, skipping insertion in model container [2024-12-02 15:40:42,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:40:42" (3/3) ... [2024-12-02 15:40:42,840 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-29.i [2024-12-02 15:40:42,849 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:40:42,850 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-29.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:40:42,883 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:40:42,891 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;@623c07a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:40:42,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:40:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 15:40:42,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-02 15:40:42,898 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:40:42,899 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:40:42,899 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:40:42,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:40:42,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1816233740, now seen corresponding path program 1 times [2024-12-02 15:40:42,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:40:42,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172199151] [2024-12-02 15:40:42,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:40:42,910 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 15:40:42,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:40:42,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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 15:40:42,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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 15:40:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:40:43,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:40:43,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:40:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 6 proven. 84 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-02 15:40:44,802 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:40:45,329 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-02 15:40:45,330 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:40:45,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172199151] [2024-12-02 15:40:45,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172199151] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:40:45,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:40:45,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-12-02 15:40:45,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676082959] [2024-12-02 15:40:45,333 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:40:45,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:40:45,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:40:45,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:40:45,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:40:45,355 INFO L87 Difference]: Start difference. First operand has 43 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 4 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 15:40:48,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:40:50,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:40:51,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:40:53,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:40:55,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:40:57,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:41:00,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:41:00,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:41:00,599 INFO L93 Difference]: Finished difference Result 138 states and 203 transitions. [2024-12-02 15:41:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 15:41:00,601 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 4 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 70 [2024-12-02 15:41:00,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:41:00,605 INFO L225 Difference]: With dead ends: 138 [2024-12-02 15:41:00,605 INFO L226 Difference]: Without dead ends: 86 [2024-12-02 15:41:00,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=185, Invalid=321, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:41:00,609 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 188 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:41:00,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 153 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2024-12-02 15:41:00,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-12-02 15:41:00,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 59. [2024-12-02 15:41:00,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 44 states have internal predecessors, (52), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 15:41:00,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2024-12-02 15:41:00,640 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 70 [2024-12-02 15:41:00,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:41:00,640 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2024-12-02 15:41:00,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 4 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 15:41:00,641 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2024-12-02 15:41:00,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-02 15:41:00,642 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:41:00,642 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:00,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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 15:41:00,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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 15:41:00,843 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:41:00,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:41:00,843 INFO L85 PathProgramCache]: Analyzing trace with hash -874159261, now seen corresponding path program 1 times [2024-12-02 15:41:00,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:41:00,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126516170] [2024-12-02 15:41:00,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:41:00,844 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 15:41:00,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:41:00,846 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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 15:41:00,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed887f50-5aa9-49dd-a4be-97cca7bcee3c/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 15:41:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:41:01,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 15:41:01,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:42:01,265 WARN L286 SmtUtils]: Spent 18.22s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 15:42:25,083 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:43:14,669 WARN L286 SmtUtils]: Spent 23.38s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 15:45:11,380 WARN L286 SmtUtils]: Spent 30.38s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 15:47:21,313 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:48:48,651 WARN L286 SmtUtils]: Spent 6.89s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:53:17,513 WARN L286 SmtUtils]: Spent 7.03s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:53:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 114 proven. 30 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 15:53:57,110 INFO L312 TraceCheckSpWp]: Computing backward predicates...