./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.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_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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_3e1db213-8b78-43e3-9d25-b853e08679c3/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 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:34:07,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:34:07,958 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:34:07,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:34:07,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:34:07,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:34:07,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:34:07,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:34:07,985 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:34:07,985 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:34:07,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:34:07,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:34:07,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:34:07,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:34:07,986 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:34:07,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:34:07,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:34:07,986 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:34:07,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:34:07,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:34:07,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:34:07,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:34:07,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:34:07,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:34:07,987 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:34:07,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:34:07,987 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:34:07,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:34:07,987 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:34:07,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:34:07,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:34:07,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:34:07,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:34:07,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:34:07,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:34:07,988 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:34:07,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:34:07,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:34:07,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:34:07,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:34:07,988 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:34:07,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:34:07,988 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:34:07,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:34:07,989 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:34:07,989 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:34:07,989 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:34:07,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:34:07,989 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_3e1db213-8b78-43e3-9d25-b853e08679c3/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 -> 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc [2024-12-02 15:34:08,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:34:08,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:34:08,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:34:08,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:34:08,223 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:34:08,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-12-02 15:34:10,995 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/data/6fb92df27/1fc23dae39a5429f8b6fc49593ac99c5/FLAGa1e61d78c [2024-12-02 15:34:11,217 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:34:11,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-12-02 15:34:11,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/data/6fb92df27/1fc23dae39a5429f8b6fc49593ac99c5/FLAGa1e61d78c [2024-12-02 15:34:11,242 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/data/6fb92df27/1fc23dae39a5429f8b6fc49593ac99c5 [2024-12-02 15:34:11,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:34:11,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:34:11,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:34:11,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:34:11,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:34:11,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3e25d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11, skipping insertion in model container [2024-12-02 15:34:11,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:34:11,395 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_3e1db213-8b78-43e3-9d25-b853e08679c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-12-02 15:34:11,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:34:11,429 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:34:11,439 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_3e1db213-8b78-43e3-9d25-b853e08679c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-12-02 15:34:11,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:34:11,462 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:34:11,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11 WrapperNode [2024-12-02 15:34:11,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:34:11,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:34:11,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:34:11,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:34:11,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,493 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2024-12-02 15:34:11,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:34:11,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:34:11,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:34:11,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:34:11,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,506 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,517 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 15:34:11,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,522 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:34:11,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:34:11,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:34:11,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:34:11,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (1/1) ... [2024-12-02 15:34:11,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:34:11,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:34:11,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:34:11,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:34:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:34:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:34:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:34:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:34:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:34:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:34:11,643 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:34:11,645 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:34:11,757 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 15:34:11,757 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:34:11,765 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:34:11,765 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:34:11,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:34:11 BoogieIcfgContainer [2024-12-02 15:34:11,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:34:11,768 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:34:11,768 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:34:11,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:34:11,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:34:11" (1/3) ... [2024-12-02 15:34:11,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63fbcb78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:34:11, skipping insertion in model container [2024-12-02 15:34:11,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:11" (2/3) ... [2024-12-02 15:34:11,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63fbcb78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:34:11, skipping insertion in model container [2024-12-02 15:34:11,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:34:11" (3/3) ... [2024-12-02 15:34:11,773 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-16.i [2024-12-02 15:34:11,785 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:34:11,787 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-16.i that has 2 procedures, 32 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:34:11,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:34:11,849 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;@1204fe1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:34:11,849 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:34:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 15:34:11,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 15:34:11,859 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:34:11,860 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 15:34:11,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:34:11,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:34:11,865 INFO L85 PathProgramCache]: Analyzing trace with hash 2083022097, now seen corresponding path program 1 times [2024-12-02 15:34:11,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:34:11,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888098978] [2024-12-02 15:34:11,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:34:11,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:34:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:34:12,005 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-02 15:34:12,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:34:12,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888098978] [2024-12-02 15:34:12,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888098978] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:34:12,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043888239] [2024-12-02 15:34:12,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:34:12,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:34:12,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:34:12,010 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:34:12,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:34:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:34:12,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:34:12,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:34:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-02 15:34:12,114 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:34:12,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043888239] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:34:12,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:34:12,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:34:12,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503268343] [2024-12-02 15:34:12,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:34:12,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:34:12,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:34:12,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:34:12,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:34:12,135 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 15:34:12,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:34:12,148 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-12-02 15:34:12,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:34:12,149 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-12-02 15:34:12,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:34:12,153 INFO L225 Difference]: With dead ends: 57 [2024-12-02 15:34:12,154 INFO L226 Difference]: Without dead ends: 28 [2024-12-02 15:34:12,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 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 15:34:12,158 INFO L435 NwaCegarLoop]: 35 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, 35 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 15:34:12,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:34:12,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-12-02 15:34:12,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-12-02 15:34:12,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 15:34:12,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-12-02 15:34:12,184 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-12-02 15:34:12,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:34:12,185 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-12-02 15:34:12,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 15:34:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-12-02 15:34:12,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 15:34:12,187 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:34:12,187 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 15:34:12,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:34:12,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:34:12,388 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:34:12,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:34:12,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1362863631, now seen corresponding path program 1 times [2024-12-02 15:34:12,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:34:12,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508833102] [2024-12-02 15:34:12,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:34:12,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:34:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:34:12,444 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:34:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:34:12,501 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:34:12,501 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:34:12,502 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:34:12,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:34:12,507 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 15:34:12,535 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:34:12,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:34:12 BoogieIcfgContainer [2024-12-02 15:34:12,538 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:34:12,538 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:34:12,538 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:34:12,538 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:34:12,539 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:34:11" (3/4) ... [2024-12-02 15:34:12,540 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:34:12,541 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:34:12,541 INFO L158 Benchmark]: Toolchain (without parser) took 1295.76ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 109.1MB in the end (delta: 9.4MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-12-02 15:34:12,542 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:34:12,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.33ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 107.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:34:12,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.80ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:34:12,542 INFO L158 Benchmark]: Boogie Preprocessor took 35.46ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:34:12,543 INFO L158 Benchmark]: RCFGBuilder took 234.89ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 92.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:34:12,543 INFO L158 Benchmark]: TraceAbstraction took 770.19ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 109.1MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:34:12,543 INFO L158 Benchmark]: Witness Printer took 2.67ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 109.1MB in the end (delta: 13.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:34:12,545 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.33ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 107.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.80ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.46ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 234.89ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 92.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 770.19ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 109.1MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.67ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 109.1MB in the end (delta: 13.8kB). 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 52, overapproximation of someBinaryFLOATComparisonOperation at line 36, overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someUnaryFLOAToperation at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 63.45; [L23] unsigned long int var_1_2 = 3925393104; [L24] unsigned long int var_1_3 = 256; [L25] unsigned long int var_1_4 = 2; [L26] float var_1_5 = 3.6; [L27] float var_1_6 = 99.372; [L28] double var_1_7 = 32.15; VAL [isInitial=0, var_1_1=1269/20, var_1_2=3925393104, var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L61] isInitial = 1 [L62] FCALL initially() [L64] FCALL updateLastVariables() [L65] CALL updateVariables() [L42] var_1_2 = __VERIFIER_nondet_ulong() [L43] CALL assume_abort_if_not(var_1_2 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L43] RET assume_abort_if_not(var_1_2 >= 2147483647) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L44] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L44] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L45] var_1_3 = __VERIFIER_nondet_ulong() [L46] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L46] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L47] CALL assume_abort_if_not(var_1_3 <= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L47] RET assume_abort_if_not(var_1_3 <= 1073741824) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L48] var_1_4 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L49] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L50] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L50] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L51] var_1_5 = __VERIFIER_nondet_float() [L52] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_6=24843/250, var_1_7=643/20] [L52] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_6=24843/250, var_1_7=643/20] [L65] RET updateVariables() [L66] CALL step() [L32] unsigned long int stepLocal_0 = 10u / 16u; VAL [isInitial=1, stepLocal_0=0, var_1_1=1269/20, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_6=24843/250, var_1_7=643/20] [L33] COND FALSE !((var_1_2 - (var_1_3 + var_1_4)) <= stepLocal_0) [L36] var_1_1 = ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) VAL [isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=24843/250, var_1_7=643/20] [L38] var_1_6 = var_1_5 [L39] var_1_7 = var_1_5 VAL [isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=27670116108416843781, var_1_7=27670116108416843781] [L66] RET step() [L67] CALL, EXPR property() [L57-L58] return ((((var_1_2 - (var_1_3 + var_1_4)) <= (10u / 16u)) ? (var_1_1 == ((float) var_1_5)) : (var_1_1 == ((float) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) && (var_1_6 == ((float) var_1_5))) && (var_1_7 == ((double) var_1_5)) ; VAL [\result=0, isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=27670116108416843781, var_1_7=27670116108416843781] [L67] RET, EXPR property() [L67] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=27670116108416843781, var_1_7=27670116108416843781] [L19] reach_error() VAL [isInitial=1, var_1_1=27670116108416843781, var_1_2=(((unsigned __int128) 1 << 64) | 9223372034707292160), var_1_3=-3221225472, var_1_4=-3221225473, var_1_5=27670116108416843781, var_1_6=27670116108416843781, var_1_7=27670116108416843781] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 35 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 98 SizeOfPredicates, 0 NumberOfNonLiveVariables, 130 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 156/168 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 15:34:12,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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_3e1db213-8b78-43e3-9d25-b853e08679c3/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 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:34:14,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:34:14,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:34:14,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:34:14,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:34:14,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:34:14,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:34:14,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:34:14,572 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:34:14,572 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:34:14,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:34:14,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:34:14,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:34:14,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:34:14,573 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:34:14,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:34:14,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:34:14,573 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:34:14,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:34:14,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:34:14,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:34:14,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:34:14,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:34:14,574 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:34:14,574 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:34:14,574 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:34:14,574 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:34:14,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:34:14,574 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:34:14,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:34:14,574 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:34:14,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:34:14,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:34:14,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:34:14,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:34:14,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:34:14,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:34:14,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:34:14,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:34:14,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:34:14,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:34:14,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:34:14,575 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:34:14,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:34:14,576 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:34:14,576 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:34:14,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:34:14,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:34:14,576 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:34:14,576 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:34:14,576 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_3e1db213-8b78-43e3-9d25-b853e08679c3/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 -> 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc [2024-12-02 15:34:14,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:34:14,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:34:14,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:34:14,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:34:14,806 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:34:14,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-12-02 15:34:17,566 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/data/3596df919/2a6a7254ea6549c48bdb561dc9cd7c3e/FLAGa4e540d80 [2024-12-02 15:34:17,753 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:34:17,753 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-12-02 15:34:17,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/data/3596df919/2a6a7254ea6549c48bdb561dc9cd7c3e/FLAGa4e540d80 [2024-12-02 15:34:17,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/data/3596df919/2a6a7254ea6549c48bdb561dc9cd7c3e [2024-12-02 15:34:17,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:34:17,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:34:17,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:34:17,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:34:17,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:34:17,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:17,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb8ab76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17, skipping insertion in model container [2024-12-02 15:34:17,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:17,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:34:17,902 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_3e1db213-8b78-43e3-9d25-b853e08679c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-12-02 15:34:17,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:34:17,936 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:34:17,944 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_3e1db213-8b78-43e3-9d25-b853e08679c3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-12-02 15:34:17,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:34:17,968 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:34:17,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17 WrapperNode [2024-12-02 15:34:17,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:34:17,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:34:17,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:34:17,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:34:17,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:17,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:17,997 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2024-12-02 15:34:17,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:34:17,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:34:17,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:34:17,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:34:18,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:18,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:18,007 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:18,018 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 15:34:18,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:18,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:18,025 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:18,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:18,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:18,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:18,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:18,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:34:18,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:34:18,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:34:18,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:34:18,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (1/1) ... [2024-12-02 15:34:18,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:34:18,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:34:18,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:34:18,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:34:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:34:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:34:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:34:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:34:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:34:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:34:18,159 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:34:18,161 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:34:18,394 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 15:34:18,394 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:34:18,402 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:34:18,403 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:34:18,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:34:18 BoogieIcfgContainer [2024-12-02 15:34:18,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:34:18,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:34:18,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:34:18,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:34:18,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:34:17" (1/3) ... [2024-12-02 15:34:18,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2667b26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:34:18, skipping insertion in model container [2024-12-02 15:34:18,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:34:17" (2/3) ... [2024-12-02 15:34:18,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2667b26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:34:18, skipping insertion in model container [2024-12-02 15:34:18,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:34:18" (3/3) ... [2024-12-02 15:34:18,412 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-16.i [2024-12-02 15:34:18,427 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:34:18,428 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-16.i that has 2 procedures, 32 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:34:18,480 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:34:18,489 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;@2234b2db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:34:18,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:34:18,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 15:34:18,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 15:34:18,499 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:34:18,500 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 15:34:18,500 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:34:18,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:34:18,505 INFO L85 PathProgramCache]: Analyzing trace with hash 2083022097, now seen corresponding path program 1 times [2024-12-02 15:34:18,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:34:18,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584542825] [2024-12-02 15:34:18,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:34:18,515 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 15:34:18,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:34:18,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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 15:34:18,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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 15:34:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:34:18,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:34:18,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:34:18,715 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 15:34:18,715 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:34:18,715 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:34:18,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584542825] [2024-12-02 15:34:18,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584542825] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:34:18,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:34:18,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:34:18,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273374602] [2024-12-02 15:34:18,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:34:18,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:34:18,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:34:18,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:34:18,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:34:18,739 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 15:34:18,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:34:18,757 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-12-02 15:34:18,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:34:18,759 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-12-02 15:34:18,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:34:18,764 INFO L225 Difference]: With dead ends: 57 [2024-12-02 15:34:18,764 INFO L226 Difference]: Without dead ends: 28 [2024-12-02 15:34:18,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 49 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 15:34:18,770 INFO L435 NwaCegarLoop]: 35 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, 35 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 15:34:18,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:34:18,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-12-02 15:34:18,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-12-02 15:34:18,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 15:34:18,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-12-02 15:34:18,803 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-12-02 15:34:18,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:34:18,804 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-12-02 15:34:18,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 15:34:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-12-02 15:34:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 15:34:18,806 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:34:18,806 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 15:34:18,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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)] Forceful destruction successful, exit code 0 [2024-12-02 15:34:19,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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 15:34:19,007 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:34:19,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:34:19,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1362863631, now seen corresponding path program 1 times [2024-12-02 15:34:19,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:34:19,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795738277] [2024-12-02 15:34:19,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:34:19,009 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 15:34:19,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:34:19,011 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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 15:34:19,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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 15:34:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:34:19,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 15:34:19,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:34:24,399 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-02 15:34:24,399 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:34:28,985 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-02 15:34:28,986 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:34:28,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [795738277] [2024-12-02 15:34:28,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [795738277] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:34:28,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:34:28,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 26 [2024-12-02 15:34:28,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472905552] [2024-12-02 15:34:28,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:34:28,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:34:28,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:34:28,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:34:28,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=512, Unknown=0, NotChecked=0, Total=650 [2024-12-02 15:34:28,989 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:34:31,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:34:31,062 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2024-12-02 15:34:31,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:34:31,062 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 50 [2024-12-02 15:34:31,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:34:31,063 INFO L225 Difference]: With dead ends: 46 [2024-12-02 15:34:31,063 INFO L226 Difference]: Without dead ends: 44 [2024-12-02 15:34:31,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=154, Invalid=602, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:34:31,064 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 29 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:34:31,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 102 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:34:31,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-12-02 15:34:31,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2024-12-02 15:34:31,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 30 states have internal predecessors, (31), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:34:31,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-12-02 15:34:31,070 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 50 [2024-12-02 15:34:31,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:34:31,071 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-12-02 15:34:31,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:34:31,071 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-12-02 15:34:31,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 15:34:31,071 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:34:31,072 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 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 15:34:31,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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 15:34:31,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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 15:34:31,272 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:34:31,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:34:31,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1305605329, now seen corresponding path program 1 times [2024-12-02 15:34:31,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:34:31,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251826762] [2024-12-02 15:34:31,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:34:31,273 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 15:34:31,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:34:31,275 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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 15:34:31,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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 15:34:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:34:31,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 15:34:31,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:34:34,773 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-02 15:34:34,773 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:34:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-02 15:34:38,850 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:34:38,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251826762] [2024-12-02 15:34:38,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251826762] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:34:38,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:34:38,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [19] total 28 [2024-12-02 15:34:38,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716051171] [2024-12-02 15:34:38,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:34:38,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:34:38,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:34:38,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:34:38,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:34:38,852 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:34:41,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:34:41,611 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2024-12-02 15:34:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 15:34:41,612 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 50 [2024-12-02 15:34:41,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:34:41,612 INFO L225 Difference]: With dead ends: 54 [2024-12-02 15:34:41,612 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 15:34:41,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=191, Invalid=801, Unknown=0, NotChecked=0, Total=992 [2024-12-02 15:34:41,614 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 32 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:34:41,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 106 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:34:41,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 15:34:41,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 15:34:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:34:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 15:34:41,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2024-12-02 15:34:41,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:34:41,615 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 15:34:41,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 15:34:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 15:34:41,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 15:34:41,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:34:41,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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)] Ended with exit code 0 [2024-12-02 15:34:41,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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 15:34:41,822 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 15:34:41,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 15:34:46,493 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:34:46,499 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 15:34:46,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~stepLocal_0~0 [2024-12-02 15:34:46,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-12-02 15:34:46,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-12-02 15:34:46,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~32 [2024-12-02 15:34:46,500 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 15:34:46,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:34:46 BoogieIcfgContainer [2024-12-02 15:34:46,501 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:34:46,501 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:34:46,501 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:34:46,501 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:34:46,502 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:34:18" (3/4) ... [2024-12-02 15:34:46,503 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 15:34:46,507 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 15:34:46,509 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-02 15:34:46,509 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 15:34:46,509 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 15:34:46,509 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 15:34:46,564 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 15:34:46,564 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 15:34:46,564 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:34:46,565 INFO L158 Benchmark]: Toolchain (without parser) took 28786.78ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 69.7MB in the beginning and 34.8MB in the end (delta: 34.9MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2024-12-02 15:34:46,565 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:34:46,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.82ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 57.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:34:46,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.04ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 56.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:34:46,566 INFO L158 Benchmark]: Boogie Preprocessor took 36.24ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 54.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:34:46,566 INFO L158 Benchmark]: RCFGBuilder took 368.17ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 43.5MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:34:46,567 INFO L158 Benchmark]: TraceAbstraction took 28095.53ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 42.9MB in the beginning and 39.7MB in the end (delta: 3.1MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-12-02 15:34:46,567 INFO L158 Benchmark]: Witness Printer took 62.93ms. Allocated memory is still 117.4MB. Free memory was 39.7MB in the beginning and 34.8MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:34:46,568 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.82ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 57.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.04ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 56.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.24ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 54.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 368.17ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 43.5MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 28095.53ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 42.9MB in the beginning and 39.7MB in the end (delta: 3.1MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Witness Printer took 62.93ms. Allocated memory is still 117.4MB. Free memory was 39.7MB in the beginning and 34.8MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~stepLocal_0~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.4s, OverallIterations: 3, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 243 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 147 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 96 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=2, InterpolantAutomatonStates: 22, 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 17.3s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 1691 SizeOfPredicates, 19 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 396/420 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 15:34:46,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1db213-8b78-43e3-9d25-b853e08679c3/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 Writing output log to file Ultimate.log Result: TRUE