./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.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_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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 2a8173a95b98f2f1ade3ddbfa72a82a390b4308045cd4f85b878a79ad12c3bb8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:50:11,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:50:11,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 05:50:11,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:50:11,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:50:11,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:50:11,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:50:11,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:50:11,306 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:50:11,306 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:50:11,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:50:11,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:50:11,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:50:11,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:50:11,307 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:50:11,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:50:11,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:50:11,307 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:50:11,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:50:11,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:50:11,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:50:11,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:50:11,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:50:11,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:50:11,307 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:50:11,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:50:11,308 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:50:11,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:50:11,308 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:50:11,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:11,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:11,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:11,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:11,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:50:11,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:11,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:11,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:11,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:11,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:50:11,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:50:11,309 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:50:11,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:50:11,309 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:50:11,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:50:11,309 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:50:11,309 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:50:11,309 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:50:11,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:50:11,309 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_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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 -> 2a8173a95b98f2f1ade3ddbfa72a82a390b4308045cd4f85b878a79ad12c3bb8 [2024-12-02 05:50:11,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:50:11,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:50:11,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:50:11,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:50:11,557 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:50:11,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i [2024-12-02 05:50:14,194 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/data/047828a60/51b7b4aca33d40e99a2b3afd5518aee1/FLAGc6eb93708 [2024-12-02 05:50:14,357 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:14,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i [2024-12-02 05:50:14,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/data/047828a60/51b7b4aca33d40e99a2b3afd5518aee1/FLAGc6eb93708 [2024-12-02 05:50:14,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/data/047828a60/51b7b4aca33d40e99a2b3afd5518aee1 [2024-12-02 05:50:14,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:14,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:14,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:14,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:14,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:14,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42845816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14, skipping insertion in model container [2024-12-02 05:50:14,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:14,551 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_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i[915,928] [2024-12-02 05:50:14,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:14,595 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:14,606 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_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i[915,928] [2024-12-02 05:50:14,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:14,636 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:14,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14 WrapperNode [2024-12-02 05:50:14,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:14,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:14,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:14,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:14,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,675 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2024-12-02 05:50:14,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:14,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:14,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:14,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:14,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,689 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,703 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 05:50:14,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,708 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:14,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:14,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:14,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:14,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2024-12-02 05:50:14,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:14,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:14,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:14,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:50:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:50:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:50:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:50:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:14,844 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:14,845 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:14,983 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 05:50:14,983 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:14,991 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:14,992 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:50:14,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:14 BoogieIcfgContainer [2024-12-02 05:50:14,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:14,994 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:14,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:14,997 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:14,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:14" (1/3) ... [2024-12-02 05:50:14,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309d534e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:14, skipping insertion in model container [2024-12-02 05:50:14,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (2/3) ... [2024-12-02 05:50:14,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309d534e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:14, skipping insertion in model container [2024-12-02 05:50:14,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:14" (3/3) ... [2024-12-02 05:50:14,999 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-28.i [2024-12-02 05:50:15,014 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:15,016 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-28.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:50:15,069 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:15,082 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;@9a08667, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:15,082 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:50:15,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 05:50:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 05:50:15,095 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:15,095 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:15,096 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:15,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:15,101 INFO L85 PathProgramCache]: Analyzing trace with hash 707699992, now seen corresponding path program 1 times [2024-12-02 05:50:15,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:15,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289422310] [2024-12-02 05:50:15,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:15,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 05:50:15,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:15,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289422310] [2024-12-02 05:50:15,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289422310] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:15,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746830654] [2024-12-02 05:50:15,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:15,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:15,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:15,274 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:15,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:50:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:15,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:50:15,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:15,406 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 05:50:15,406 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:15,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746830654] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:15,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:15,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 05:50:15,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301542759] [2024-12-02 05:50:15,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:15,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:50:15,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:15,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:50:15,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:15,428 INFO L87 Difference]: Start difference. First operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 05:50:15,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:15,454 INFO L93 Difference]: Finished difference Result 71 states and 111 transitions. [2024-12-02 05:50:15,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:50:15,455 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2024-12-02 05:50:15,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:15,459 INFO L225 Difference]: With dead ends: 71 [2024-12-02 05:50:15,460 INFO L226 Difference]: Without dead ends: 35 [2024-12-02 05:50:15,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 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 05:50:15,464 INFO L435 NwaCegarLoop]: 46 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, 46 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 05:50:15,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:15,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-12-02 05:50:15,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-12-02 05:50:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 05:50:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2024-12-02 05:50:15,495 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 73 [2024-12-02 05:50:15,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:15,496 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2024-12-02 05:50:15,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 05:50:15,496 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-12-02 05:50:15,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 05:50:15,498 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:15,498 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:15,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:50:15,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 05:50:15,699 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:15,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:15,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1841486162, now seen corresponding path program 1 times [2024-12-02 05:50:15,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:15,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960372065] [2024-12-02 05:50:15,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:15,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:15,804 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:50:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:15,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 05:50:15,881 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 05:50:15,882 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 05:50:15,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:50:15,885 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 05:50:15,926 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:50:15,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:50:15 BoogieIcfgContainer [2024-12-02 05:50:15,930 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:50:15,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:50:15,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:50:15,931 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:50:15,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:14" (3/4) ... [2024-12-02 05:50:15,933 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 05:50:15,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:50:15,934 INFO L158 Benchmark]: Toolchain (without parser) took 1549.98ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 71.5MB in the end (delta: 20.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-12-02 05:50:15,935 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 73.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:15,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.00ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:50:15,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.50ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:50:15,935 INFO L158 Benchmark]: Boogie Preprocessor took 40.12ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:15,936 INFO L158 Benchmark]: RCFGBuilder took 275.19ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 65.4MB in the end (delta: 11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:15,936 INFO L158 Benchmark]: TraceAbstraction took 936.15ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 71.5MB in the end (delta: -6.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-12-02 05:50:15,936 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:15,938 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 117.4MB. Free memory was 73.5MB in the beginning and 73.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.00ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.50ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.12ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.19ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 65.4MB in the end (delta: 11.8MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 936.15ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 71.5MB in the end (delta: -6.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 36, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -10; [L23] double var_1_2 = 10.6; [L24] double var_1_3 = 1.8; [L25] double var_1_4 = 31.8; [L26] double var_1_5 = 24.25; [L27] signed char var_1_6 = 1; [L28] signed char var_1_7 = -25; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 8; VAL [isInitial=0, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_2=53/5, var_1_3=9/5, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L72] isInitial = 1 [L73] FCALL initially() [L75] FCALL updateLastVariables() [L76] CALL updateVariables() [L46] var_1_2 = __VERIFIER_nondet_double() [L47] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=9/5, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=9/5, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L47] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_3=9/5, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L48] var_1_3 = __VERIFIER_nondet_double() [L49] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L49] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_4=159/5, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L50] var_1_4 = __VERIFIER_nondet_double() [L51] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L51] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_5=97/4, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L52] var_1_5 = __VERIFIER_nondet_double() [L53] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L53] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L54] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L54] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=1, var_1_7=-25, var_1_8=1, var_1_9=0] [L55] var_1_6 = __VERIFIER_nondet_char() [L56] CALL assume_abort_if_not(var_1_6 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-25, var_1_8=1, var_1_9=0] [L56] RET assume_abort_if_not(var_1_6 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-25, var_1_8=1, var_1_9=0] [L57] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-25, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-25, var_1_8=1, var_1_9=0] [L57] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-25, var_1_8=1, var_1_9=0] [L58] var_1_7 = __VERIFIER_nondet_char() [L59] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L59] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L60] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L60] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L61] var_1_9 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1] [L62] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1] [L63] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L63] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-10, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L76] RET updateVariables() [L77] CALL step() [L36] COND TRUE var_1_2 > ((var_1_3 * var_1_4) / var_1_5) [L37] var_1_1 = ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7))) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_1=-2, var_1_6=-2, var_1_7=-1, var_1_8=1, var_1_9=0] [L41] var_1_8 = var_1_9 [L42] var_1_10 = var_1_9 [L43] var_1_11 = 10 VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_1=-2, var_1_6=-2, var_1_7=-1, var_1_8=0, var_1_9=0] [L77] RET step() [L78] CALL, EXPR property() [L68-L69] return ((((var_1_2 > ((var_1_3 * var_1_4) / var_1_5)) ? (var_1_1 == ((signed char) ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_7))) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((unsigned char) var_1_9))) && (var_1_11 == ((unsigned char) 10)) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=10, var_1_1=-2, var_1_6=-2, var_1_7=-1, var_1_8=0, var_1_9=0] [L78] RET, EXPR property() [L78] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_1=-2, var_1_6=-2, var_1_7=-1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_1=-2, var_1_6=-2, var_1_7=-1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 46 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, 46 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 420/440 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 05:50:15,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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 2a8173a95b98f2f1ade3ddbfa72a82a390b4308045cd4f85b878a79ad12c3bb8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:50:17,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:50:17,969 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 05:50:17,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:50:17,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:50:17,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:50:17,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:50:17,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:50:17,999 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:50:17,999 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:50:17,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:50:17,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:50:18,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:50:18,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:50:18,000 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:50:18,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:50:18,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:50:18,000 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:50:18,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:50:18,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:50:18,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:50:18,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:50:18,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:50:18,001 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 05:50:18,001 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 05:50:18,001 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 05:50:18,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:50:18,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:50:18,001 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:50:18,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:50:18,001 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:50:18,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:18,001 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:18,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:18,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:18,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:50:18,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:18,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:18,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:18,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:18,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:50:18,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:50:18,002 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:50:18,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:50:18,002 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 05:50:18,003 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 05:50:18,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:50:18,003 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:50:18,003 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:50:18,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:50:18,003 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_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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 -> 2a8173a95b98f2f1ade3ddbfa72a82a390b4308045cd4f85b878a79ad12c3bb8 [2024-12-02 05:50:18,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:50:18,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:50:18,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:50:18,238 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:50:18,238 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:50:18,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i [2024-12-02 05:50:20,946 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/data/32da89799/1fc1425a899e4c4982580544b449a1b8/FLAG87c54e79a [2024-12-02 05:50:21,121 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:21,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i [2024-12-02 05:50:21,129 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/data/32da89799/1fc1425a899e4c4982580544b449a1b8/FLAG87c54e79a [2024-12-02 05:50:21,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/data/32da89799/1fc1425a899e4c4982580544b449a1b8 [2024-12-02 05:50:21,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:21,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:21,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:21,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:21,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:21,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea20e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21, skipping insertion in model container [2024-12-02 05:50:21,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:21,612 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_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i[915,928] [2024-12-02 05:50:21,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:21,644 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:21,651 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_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-28.i[915,928] [2024-12-02 05:50:21,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:21,672 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:21,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21 WrapperNode [2024-12-02 05:50:21,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:21,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:21,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:21,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:21,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,702 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2024-12-02 05:50:21,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:21,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:21,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:21,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:21,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,714 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,724 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 05:50:21,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,732 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:21,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:21,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:21,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:21,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (1/1) ... [2024-12-02 05:50:21,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:21,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:21,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:21,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:50:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 05:50:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:50:21,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:50:21,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:21,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:21,855 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:21,857 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:34,596 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 05:50:34,596 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:34,605 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:34,605 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:50:34,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:34 BoogieIcfgContainer [2024-12-02 05:50:34,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:34,609 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:34,609 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:34,614 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:34,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:21" (1/3) ... [2024-12-02 05:50:34,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cbcd1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:34, skipping insertion in model container [2024-12-02 05:50:34,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:21" (2/3) ... [2024-12-02 05:50:34,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cbcd1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:34, skipping insertion in model container [2024-12-02 05:50:34,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:34" (3/3) ... [2024-12-02 05:50:34,617 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-28.i [2024-12-02 05:50:34,639 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:34,640 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-28.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:50:34,682 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:34,691 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;@1ab0682b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:34,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:50:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 05:50:34,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 05:50:34,702 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:34,703 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:34,704 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:34,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:34,708 INFO L85 PathProgramCache]: Analyzing trace with hash 707699992, now seen corresponding path program 1 times [2024-12-02 05:50:34,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:34,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928947725] [2024-12-02 05:50:34,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:34,719 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 05:50:34,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:34,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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 05:50:34,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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 05:50:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:35,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:50:35,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:35,672 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 05:50:35,672 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:35,672 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:35,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928947725] [2024-12-02 05:50:35,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928947725] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:35,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:35,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:35,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132399073] [2024-12-02 05:50:35,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:35,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:50:35,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:35,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:50:35,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:35,694 INFO L87 Difference]: Start difference. First operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 05:50:35,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:35,711 INFO L93 Difference]: Finished difference Result 71 states and 111 transitions. [2024-12-02 05:50:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:50:35,712 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2024-12-02 05:50:35,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:35,716 INFO L225 Difference]: With dead ends: 71 [2024-12-02 05:50:35,716 INFO L226 Difference]: Without dead ends: 35 [2024-12-02 05:50:35,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 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 05:50:35,721 INFO L435 NwaCegarLoop]: 46 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, 46 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 05:50:35,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:35,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-12-02 05:50:35,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-12-02 05:50:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 05:50:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2024-12-02 05:50:35,750 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 73 [2024-12-02 05:50:35,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:35,750 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2024-12-02 05:50:35,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 05:50:35,751 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-12-02 05:50:35,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 05:50:35,752 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:35,752 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:35,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 05:50:35,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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 05:50:35,953 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:35,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:35,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1841486162, now seen corresponding path program 1 times [2024-12-02 05:50:35,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:35,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859041650] [2024-12-02 05:50:35,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:35,955 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 05:50:35,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:35,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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 05:50:35,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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 05:50:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:36,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 05:50:36,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:45,196 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:50:53,669 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:51:02,146 WARN L286 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:51:10,613 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:51:19,118 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:51:23,271 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ sign_extend 24) c_~var_1_6~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_1~0) .cse1)))) (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) is different from false [2024-12-02 05:51:27,418 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ sign_extend 24) c_~var_1_6~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_1~0) .cse1)))) (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) is different from true [2024-12-02 05:51:35,754 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:51:44,255 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:51:52,764 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:52:01,237 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:52:09,703 WARN L286 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:52:18,167 WARN L286 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:52:26,639 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:52:35,121 WARN L286 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:52:39,275 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ sign_extend 24) c_~var_1_6~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_1~0) .cse1)))) (= (_ bv10 8) c_~var_1_11~0) (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0)) (= c_~var_1_8~0 c_~var_1_9~0) (= c_~var_1_10~0 c_~var_1_9~0)) is different from false [2024-12-02 05:52:43,405 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ sign_extend 24) c_~var_1_6~0)) (.cse0 ((_ sign_extend 24) c_~var_1_7~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= c_~var_1_1~0 ((_ extract 7 0) .cse0)) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_1~0) .cse1)))) (= (_ bv10 8) c_~var_1_11~0) (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0)) (= c_~var_1_8~0 c_~var_1_9~0) (= c_~var_1_10~0 c_~var_1_9~0)) is different from true [2024-12-02 05:52:56,749 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:53:01,018 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0)))) is different from false [2024-12-02 05:53:13,451 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:53:17,627 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) is different from false [2024-12-02 05:53:17,643 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 05:53:17,644 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:53:17,644 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:53:17,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1859041650] [2024-12-02 05:53:17,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1859041650] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:53:17,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:53:17,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 05:53:17,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978334824] [2024-12-02 05:53:17,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:53:17,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:53:17,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:53:17,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:53:17,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-12-02 05:53:17,646 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 05:53:17,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:17,657 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2024-12-02 05:53:17,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 05:53:17,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2024-12-02 05:53:17,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:17,658 INFO L225 Difference]: With dead ends: 41 [2024-12-02 05:53:17,659 INFO L226 Difference]: Without dead ends: 39 [2024-12-02 05:53:17,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.9s TimeCoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-12-02 05:53:17,660 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 114 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:17,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 114 Unchecked, 0.0s Time] [2024-12-02 05:53:17,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-12-02 05:53:17,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-12-02 05:53:17,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 05:53:17,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2024-12-02 05:53:17,667 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 73 [2024-12-02 05:53:17,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:17,668 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2024-12-02 05:53:17,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 05:53:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2024-12-02 05:53:17,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 05:53:17,671 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:17,671 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:53:17,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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)] Forceful destruction successful, exit code 0 [2024-12-02 05:53:17,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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 05:53:17,872 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:17,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:17,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1898744464, now seen corresponding path program 1 times [2024-12-02 05:53:17,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:53:17,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153585501] [2024-12-02 05:53:17,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:17,873 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 05:53:17,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:53:17,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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 05:53:17,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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 05:53:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:18,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 05:53:18,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:53:27,454 WARN L286 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:53:35,756 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:53:39,888 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) (= c_~var_1_7~0 c_~var_1_1~0)) is different from false [2024-12-02 05:53:44,025 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) (= c_~var_1_7~0 c_~var_1_1~0)) is different from true [2024-12-02 05:53:52,531 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:54:00,966 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:54:09,434 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:54:17,740 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:54:26,254 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:54:30,459 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) (= c_~var_1_7~0 c_~var_1_1~0) (= (_ bv10 8) c_~var_1_11~0) (= c_~var_1_8~0 c_~var_1_9~0) (= c_~var_1_10~0 c_~var_1_9~0)) is different from false [2024-12-02 05:54:34,594 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.gt c_~var_1_2~0 (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0))) (= c_~var_1_7~0 c_~var_1_1~0) (= (_ bv10 8) c_~var_1_11~0) (= c_~var_1_8~0 c_~var_1_9~0) (= c_~var_1_10~0 c_~var_1_9~0)) is different from true [2024-12-02 05:54:44,927 WARN L286 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:54:49,429 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (not (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0))))) is different from false [2024-12-02 05:55:00,915 WARN L286 SmtUtils]: Spent 7.31s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 05:55:05,100 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_5~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (not (fp.gt ~var_1_2~0 (fp.div currentRoundingMode (fp.mul currentRoundingMode ~var_1_3~0 ~var_1_4~0) ~var_1_5~0)))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) is different from false [2024-12-02 05:55:05,116 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 05:55:05,116 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:55:05,116 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:55:05,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153585501] [2024-12-02 05:55:05,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1153585501] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:55:05,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:55:05,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 05:55:05,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562943657] [2024-12-02 05:55:05,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:55:05,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:55:05,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:55:05,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:55:05,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-12-02 05:55:05,118 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 05:55:05,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:55:05,126 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2024-12-02 05:55:05,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 05:55:05,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2024-12-02 05:55:05,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:55:05,127 INFO L225 Difference]: With dead ends: 39 [2024-12-02 05:55:05,127 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 05:55:05,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.0s TimeCoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-12-02 05:55:05,128 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 109 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:55:05,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 109 Unchecked, 0.0s Time] [2024-12-02 05:55:05,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 05:55:05,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 05:55:05,129 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 05:55:05,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 05:55:05,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2024-12-02 05:55:05,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:55:05,129 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 05:55:05,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 05:55:05,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 05:55:05,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 05:55:05,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 05:55:05,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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)] Forceful destruction successful, exit code 0 [2024-12-02 05:55:05,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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 05:55:05,334 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 05:55:05,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 05:55:05,358 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:55:05,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:55:05 BoogieIcfgContainer [2024-12-02 05:55:05,366 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:55:05,367 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:55:05,367 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:55:05,367 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:55:05,368 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:34" (3/4) ... [2024-12-02 05:55:05,370 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 05:55:05,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 05:55:05,378 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-02 05:55:05,379 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 05:55:05,379 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 05:55:05,379 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 05:55:05,458 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 05:55:05,458 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 05:55:05,458 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:55:05,459 INFO L158 Benchmark]: Toolchain (without parser) took 283964.61ms. Allocated memory was 92.3MB in the beginning and 268.4MB in the end (delta: 176.2MB). Free memory was 69.4MB in the beginning and 138.5MB in the end (delta: -69.0MB). Peak memory consumption was 105.9MB. Max. memory is 16.1GB. [2024-12-02 05:55:05,460 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:55:05,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.85ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 56.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:55:05,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.94ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:55:05,460 INFO L158 Benchmark]: Boogie Preprocessor took 37.89ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 53.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:55:05,461 INFO L158 Benchmark]: RCFGBuilder took 12864.08ms. Allocated memory is still 92.3MB. Free memory was 53.3MB in the beginning and 41.0MB in the end (delta: 12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:55:05,461 INFO L158 Benchmark]: TraceAbstraction took 270757.98ms. Allocated memory was 92.3MB in the beginning and 268.4MB in the end (delta: 176.2MB). Free memory was 40.5MB in the beginning and 143.1MB in the end (delta: -102.6MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2024-12-02 05:55:05,461 INFO L158 Benchmark]: Witness Printer took 91.45ms. Allocated memory is still 268.4MB. Free memory was 143.1MB in the beginning and 138.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:55:05,463 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.85ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 56.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.94ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.89ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 53.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 12864.08ms. Allocated memory is still 92.3MB. Free memory was 53.3MB in the beginning and 41.0MB in the end (delta: 12.3MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 270757.98ms. Allocated memory was 92.3MB in the beginning and 268.4MB in the end (delta: 176.2MB). Free memory was 40.5MB in the beginning and 143.1MB in the end (delta: -102.6MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * Witness Printer took 91.45ms. Allocated memory is still 268.4MB. Free memory was 143.1MB in the beginning and 138.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. 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 - 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, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 270.7s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 305 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 223 IncrementalHoareTripleChecker+Unchecked, 169 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 136 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 49.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 267.1s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 216 ConstructedInterpolants, 4 QuantifiedInterpolants, 380 SizeOfPredicates, 24 NumberOfNonLiveVariables, 372 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 660/660 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 05:55:05,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe22805-8b94-478a-a0a2-b26dd99ac0ea/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