./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.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_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 09678c77438823f5421658f269ea899b63adcdec9e9a366091e7381adf928989 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:35:25,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:35:25,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:35:25,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:35:25,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:35:25,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:35:25,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:35:25,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:35:25,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:35:25,378 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:35:25,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:35:25,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:35:25,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:35:25,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:35:25,380 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:35:25,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:35:25,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:35:25,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:35:25,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:35:25,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:35:25,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:35:25,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:35:25,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:35:25,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:35:25,381 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:35:25,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:35:25,381 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:35:25,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:35:25,381 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:35:25,381 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:35:25,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:35:25,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:35:25,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:35:25,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:35:25,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:35:25,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:35:25,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:35:25,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:35:25,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:35:25,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:35:25,382 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:35:25,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:35:25,382 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:35:25,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:35:25,382 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:35:25,383 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:35:25,383 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:35:25,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:35:25,383 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_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 -> 09678c77438823f5421658f269ea899b63adcdec9e9a366091e7381adf928989 [2024-12-02 06:35:25,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:35:25,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:35:25,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:35:25,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:35:25,624 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:35:25,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i [2024-12-02 06:35:28,286 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/data/ae451334c/55d8a4430fec48858366e9afe05d7715/FLAG28fe56727 [2024-12-02 06:35:28,478 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:35:28,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i [2024-12-02 06:35:28,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/data/ae451334c/55d8a4430fec48858366e9afe05d7715/FLAG28fe56727 [2024-12-02 06:35:28,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/data/ae451334c/55d8a4430fec48858366e9afe05d7715 [2024-12-02 06:35:28,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:35:28,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:35:28,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:35:28,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:35:28,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:35:28,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658bbeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28, skipping insertion in model container [2024-12-02 06:35:28,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:35:28,620 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_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i[915,928] [2024-12-02 06:35:28,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:35:28,653 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:35:28,660 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_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i[915,928] [2024-12-02 06:35:28,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:35:28,684 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:35:28,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28 WrapperNode [2024-12-02 06:35:28,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:35:28,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:35:28,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:35:28,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:35:28,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,714 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 75 [2024-12-02 06:35:28,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:35:28,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:35:28,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:35:28,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:35:28,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,722 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,731 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 06:35:28,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,736 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:35:28,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:35:28,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:35:28,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:35:28,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (1/1) ... [2024-12-02 06:35:28,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:35:28,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:35:28,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:35:28,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:35:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:35:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:35:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:35:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:35:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:35:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:35:28,841 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:35:28,843 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:35:28,976 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 06:35:28,976 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:35:28,986 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:35:28,986 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:35:28,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:35:28 BoogieIcfgContainer [2024-12-02 06:35:28,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:35:28,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:35:28,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:35:28,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:35:28,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:35:28" (1/3) ... [2024-12-02 06:35:28,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e1b911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:35:28, skipping insertion in model container [2024-12-02 06:35:28,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:28" (2/3) ... [2024-12-02 06:35:28,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e1b911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:35:28, skipping insertion in model container [2024-12-02 06:35:28,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:35:28" (3/3) ... [2024-12-02 06:35:28,995 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-18.i [2024-12-02 06:35:29,010 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:35:29,011 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-18.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:35:29,056 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:35:29,066 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;@6b30cb28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:35:29,066 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:35:29,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 06:35:29,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-02 06:35:29,074 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:35:29,075 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:35:29,075 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:35:29,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:35:29,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2122992069, now seen corresponding path program 1 times [2024-12-02 06:35:29,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:35:29,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7478849] [2024-12-02 06:35:29,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:35:29,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:35:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:35:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-02 06:35:29,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:35:29,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7478849] [2024-12-02 06:35:29,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7478849] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:35:29,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959380479] [2024-12-02 06:35:29,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:35:29,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:35:29,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:35:29,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:35:29,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:35:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:35:29,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:35:29,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:35:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-02 06:35:29,361 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:35:29,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959380479] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:35:29,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:35:29,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 06:35:29,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746683101] [2024-12-02 06:35:29,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:35:29,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:35:29,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:35:29,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:35:29,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:35:29,381 INFO L87 Difference]: Start difference. First operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 06:35:29,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:35:29,397 INFO L93 Difference]: Finished difference Result 67 states and 104 transitions. [2024-12-02 06:35:29,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:35:29,398 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2024-12-02 06:35:29,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:35:29,403 INFO L225 Difference]: With dead ends: 67 [2024-12-02 06:35:29,403 INFO L226 Difference]: Without dead ends: 33 [2024-12-02 06:35:29,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 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 06:35:29,407 INFO L435 NwaCegarLoop]: 43 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, 43 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 06:35:29,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:35:29,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-12-02 06:35:29,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-12-02 06:35:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 06:35:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2024-12-02 06:35:29,435 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 67 [2024-12-02 06:35:29,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:35:29,436 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2024-12-02 06:35:29,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 06:35:29,436 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-12-02 06:35:29,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-02 06:35:29,438 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:35:29,439 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:35:29,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:35:29,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 06:35:29,639 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:35:29,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:35:29,640 INFO L85 PathProgramCache]: Analyzing trace with hash 2083048059, now seen corresponding path program 1 times [2024-12-02 06:35:29,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:35:29,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164641240] [2024-12-02 06:35:29,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:35:29,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:35:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:35:29,725 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:35:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:35:29,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:35:29,792 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:35:29,793 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:35:29,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:35:29,797 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 06:35:29,829 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:35:29,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:35:29 BoogieIcfgContainer [2024-12-02 06:35:29,832 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:35:29,833 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:35:29,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:35:29,833 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:35:29,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:35:28" (3/4) ... [2024-12-02 06:35:29,835 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:35:29,836 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:35:29,837 INFO L158 Benchmark]: Toolchain (without parser) took 1335.80ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 107.4MB in the end (delta: 10.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-12-02 06:35:29,837 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:35:29,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.11ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 106.1MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:35:29,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.56ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:35:29,838 INFO L158 Benchmark]: Boogie Preprocessor took 28.64ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:35:29,838 INFO L158 Benchmark]: RCFGBuilder took 242.65ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 90.7MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:35:29,838 INFO L158 Benchmark]: TraceAbstraction took 843.69ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 107.6MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:35:29,839 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 107.4MB in the end (delta: 212.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:35:29,840 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.11ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 106.1MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.56ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.64ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 242.65ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 90.7MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 843.69ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 107.6MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 107.4MB in the end (delta: 212.1kB). 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 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 33, overapproximation of someBinaryDOUBLEComparisonOperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] double var_1_2 = 24.75; [L24] double var_1_3 = 16.7; [L25] double var_1_4 = 0.8; [L26] signed short int var_1_5 = -1; [L27] signed short int var_1_6 = 4; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; VAL [isInitial=0, var_1_1=-1, var_1_2=99/4, var_1_3=167/10, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L65] isInitial = 1 [L66] FCALL initially() [L68] FCALL updateLastVariables() [L69] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_double() [L42] 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_1=-1, var_1_3=167/10, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_3=167/10, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L42] 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_1=-1, var_1_3=167/10, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L43] var_1_3 = __VERIFIER_nondet_double() [L44] 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_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L44] 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_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L45] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L45] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L46] var_1_4 = __VERIFIER_nondet_double() [L47] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L47] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=-1, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L48] var_1_5 = __VERIFIER_nondet_short() [L49] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L49] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L50] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L50] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L51] var_1_6 = __VERIFIER_nondet_short() [L52] CALL assume_abort_if_not(var_1_6 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L52] RET assume_abort_if_not(var_1_6 >= -16383) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L53] CALL assume_abort_if_not(var_1_6 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L53] RET assume_abort_if_not(var_1_6 <= 16383) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L54] var_1_8 = __VERIFIER_nondet_uchar() [L55] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L55] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L56] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L56] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L69] RET updateVariables() [L70] CALL step() [L33] COND TRUE (var_1_2 + (15.3 / var_1_3)) > (- var_1_4) [L34] var_1_1 = (var_1_5 + var_1_6) VAL [isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L38] var_1_7 = var_1_8 VAL [isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=-255, var_1_8=-255] [L70] RET step() [L71] CALL, EXPR property() [L61-L62] return (((var_1_2 + (15.3 / var_1_3)) > (- var_1_4)) ? (var_1_1 == ((signed short int) (var_1_5 + var_1_6))) : (var_1_1 == ((signed short int) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5)))))) && (var_1_7 == ((unsigned char) var_1_8)) ; VAL [\result=0, isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=-255, var_1_8=-255] [L71] RET, EXPR property() [L71] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=-255, var_1_8=-255] [L19] reach_error() VAL [isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=-255, var_1_8=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 43 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, 43 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 160 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 342/360 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 06:35:29,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 09678c77438823f5421658f269ea899b63adcdec9e9a366091e7381adf928989 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:35:31,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:35:31,865 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 06:35:31,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:35:31,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:35:31,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:35:31,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:35:31,893 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:35:31,893 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:35:31,893 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:35:31,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:35:31,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:35:31,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:35:31,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:35:31,894 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:35:31,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:35:31,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:35:31,894 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:35:31,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:35:31,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:35:31,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:35:31,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:35:31,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:35:31,895 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 06:35:31,895 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 06:35:31,895 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 06:35:31,895 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:35:31,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:35:31,895 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:35:31,895 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:35:31,895 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:35:31,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:35:31,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:35:31,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:35:31,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:35:31,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:35:31,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:35:31,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:35:31,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:35:31,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:35:31,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:35:31,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:35:31,897 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:35:31,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:35:31,897 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 06:35:31,897 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 06:35:31,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:35:31,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:35:31,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:35:31,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:35:31,897 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_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 -> 09678c77438823f5421658f269ea899b63adcdec9e9a366091e7381adf928989 [2024-12-02 06:35:32,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:35:32,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:35:32,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:35:32,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:35:32,129 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:35:32,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i [2024-12-02 06:35:34,930 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/data/a99e24a44/7303f143b14543c0b60feb496290b225/FLAGbb4bd9123 [2024-12-02 06:35:35,120 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:35:35,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i [2024-12-02 06:35:35,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/data/a99e24a44/7303f143b14543c0b60feb496290b225/FLAGbb4bd9123 [2024-12-02 06:35:35,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/data/a99e24a44/7303f143b14543c0b60feb496290b225 [2024-12-02 06:35:35,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:35:35,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:35:35,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:35:35,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:35:35,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:35:35,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3a643c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35, skipping insertion in model container [2024-12-02 06:35:35,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,166 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:35:35,292 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_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i[915,928] [2024-12-02 06:35:35,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:35:35,331 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:35:35,342 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_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i[915,928] [2024-12-02 06:35:35,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:35:35,369 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:35:35,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35 WrapperNode [2024-12-02 06:35:35,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:35:35,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:35:35,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:35:35,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:35:35,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,400 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2024-12-02 06:35:35,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:35:35,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:35:35,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:35:35,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:35:35,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,411 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,421 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 06:35:35,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,428 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:35:35,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:35:35,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:35:35,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:35:35,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (1/1) ... [2024-12-02 06:35:35,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:35:35,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:35:35,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:35:35,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:35:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:35:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 06:35:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:35:35,495 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:35:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:35:35,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:35:35,546 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:35:35,547 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:35:47,938 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 06:35:47,939 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:35:47,945 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:35:47,946 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:35:47,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:35:47 BoogieIcfgContainer [2024-12-02 06:35:47,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:35:47,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:35:47,948 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:35:47,951 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:35:47,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:35:35" (1/3) ... [2024-12-02 06:35:47,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28227e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:35:47, skipping insertion in model container [2024-12-02 06:35:47,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:35:35" (2/3) ... [2024-12-02 06:35:47,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28227e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:35:47, skipping insertion in model container [2024-12-02 06:35:47,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:35:47" (3/3) ... [2024-12-02 06:35:47,953 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-18.i [2024-12-02 06:35:47,963 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:35:47,964 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-18.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:35:48,003 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:35:48,013 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;@21e6e172, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:35:48,013 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:35:48,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 06:35:48,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-02 06:35:48,024 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:35:48,024 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:35:48,025 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:35:48,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:35:48,030 INFO L85 PathProgramCache]: Analyzing trace with hash -2122992069, now seen corresponding path program 1 times [2024-12-02 06:35:48,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:35:48,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [314052212] [2024-12-02 06:35:48,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:35:48,040 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 06:35:48,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:35:48,041 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 06:35:48,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 06:35:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:35:48,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:35:48,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:35:48,848 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-02 06:35:48,848 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:35:48,848 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:35:48,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [314052212] [2024-12-02 06:35:48,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [314052212] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:35:48,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:35:48,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:35:48,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066083661] [2024-12-02 06:35:48,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:35:48,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:35:48,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:35:48,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:35:48,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:35:48,869 INFO L87 Difference]: Start difference. First operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 06:35:48,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:35:48,885 INFO L93 Difference]: Finished difference Result 67 states and 104 transitions. [2024-12-02 06:35:48,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:35:48,887 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-12-02 06:35:48,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:35:48,891 INFO L225 Difference]: With dead ends: 67 [2024-12-02 06:35:48,891 INFO L226 Difference]: Without dead ends: 33 [2024-12-02 06:35:48,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 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 06:35:48,896 INFO L435 NwaCegarLoop]: 43 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, 43 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 06:35:48,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:35:48,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-12-02 06:35:48,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-12-02 06:35:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 06:35:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2024-12-02 06:35:48,923 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 67 [2024-12-02 06:35:48,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:35:48,923 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2024-12-02 06:35:48,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 06:35:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-12-02 06:35:48,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-02 06:35:48,926 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:35:48,926 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:35:48,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 06:35:49,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 06:35:49,127 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:35:49,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:35:49,128 INFO L85 PathProgramCache]: Analyzing trace with hash 2083048059, now seen corresponding path program 1 times [2024-12-02 06:35:49,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:35:49,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372492518] [2024-12-02 06:35:49,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:35:49,129 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 06:35:49,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:35:49,130 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 06:35:49,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 06:35:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:35:49,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 06:35:49,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:35:58,041 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:36:06,256 WARN L286 SmtUtils]: Spent 8.21s 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 06:36:10,318 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_1~0 ((_ extract 15 0) (bvadd ((_ sign_extend 16) c_~var_1_6~0) ((_ sign_extend 16) c_~var_1_5~0)))) (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0))) is different from false [2024-12-02 06:36:21,811 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:36:30,040 WARN L286 SmtUtils]: Spent 8.23s 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 06:36:38,261 WARN L286 SmtUtils]: Spent 8.22s 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 06:36:42,321 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_7~0 c_~var_1_8~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd ((_ sign_extend 16) c_~var_1_6~0) ((_ sign_extend 16) c_~var_1_5~0)))) (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0))) is different from false [2024-12-02 06:36:46,380 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_7~0 c_~var_1_8~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd ((_ sign_extend 16) c_~var_1_6~0) ((_ sign_extend 16) c_~var_1_5~0)))) (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0))) is different from true [2024-12-02 06:36:59,277 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:37:03,345 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_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.gt (fp.add currentRoundingMode ~var_1_2~0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 153.0 10.0)) ~var_1_3~0)) (fp.neg ~var_1_4~0)))) is different from false [2024-12-02 06:37:15,555 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:37:19,617 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_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.gt (fp.add currentRoundingMode ~var_1_2~0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 153.0 10.0)) ~var_1_3~0)) (fp.neg ~var_1_4~0))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) is different from false [2024-12-02 06:37:19,626 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 06:37:19,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:37:19,626 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:37:19,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372492518] [2024-12-02 06:37:19,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372492518] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:37:19,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:37:19,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:37:19,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208502117] [2024-12-02 06:37:19,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:37:19,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:37:19,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:37:19,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:37:19,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=4, Unknown=5, NotChecked=12, Total=30 [2024-12-02 06:37:19,629 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 06:37:19,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:37:19,640 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2024-12-02 06:37:19,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:37:19,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-12-02 06:37:19,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:37:19,641 INFO L225 Difference]: With dead ends: 39 [2024-12-02 06:37:19,641 INFO L226 Difference]: Without dead ends: 37 [2024-12-02 06:37:19,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.7s TimeCoverageRelationStatistics Valid=9, Invalid=4, Unknown=5, NotChecked=12, Total=30 [2024-12-02 06:37:19,642 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:37:19,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 82 Unchecked, 0.0s Time] [2024-12-02 06:37:19,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-12-02 06:37:19,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-12-02 06:37:19,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 06:37:19,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2024-12-02 06:37:19,649 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 67 [2024-12-02 06:37:19,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:37:19,651 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2024-12-02 06:37:19,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 06:37:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2024-12-02 06:37:19,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-02 06:37:19,652 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:37:19,653 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:37:19,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 06:37:19,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 06:37:19,853 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:37:19,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:37:19,854 INFO L85 PathProgramCache]: Analyzing trace with hash 2140306361, now seen corresponding path program 1 times [2024-12-02 06:37:19,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:37:19,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1203386741] [2024-12-02 06:37:19,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:37:19,855 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 06:37:19,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:37:19,856 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 06:37:19,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 06:37:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:37:20,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 06:37:20,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:37:28,913 WARN L286 SmtUtils]: Spent 8.30s 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 06:37:37,128 WARN L286 SmtUtils]: Spent 8.21s 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 06:37:45,361 WARN L286 SmtUtils]: Spent 8.23s 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 06:37:53,623 WARN L286 SmtUtils]: Spent 8.26s 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 06:38:01,746 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:38:05,808 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse1 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 ((_ sign_extend 16) c_~var_1_5~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_1~0 ((_ extract 15 0) .cse1))) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse2)))))) (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0)))) is different from false [2024-12-02 06:38:09,871 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse1 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 ((_ sign_extend 16) c_~var_1_5~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_1~0 ((_ extract 15 0) .cse1))) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse2)))))) (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0)))) is different from true [2024-12-02 06:38:20,994 WARN L286 SmtUtils]: Spent 8.22s 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 06:38:29,215 WARN L286 SmtUtils]: Spent 8.22s 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 06:38:37,435 WARN L286 SmtUtils]: Spent 8.22s 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 06:38:45,661 WARN L286 SmtUtils]: Spent 8.23s 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 06:38:53,811 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:38:57,879 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_7~0 c_~var_1_8~0) (let ((.cse1 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 ((_ sign_extend 16) c_~var_1_5~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_1~0 ((_ extract 15 0) .cse1))) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse2)))))) (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0)))) is different from false [2024-12-02 06:39:01,946 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_7~0 c_~var_1_8~0) (let ((.cse1 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 ((_ sign_extend 16) c_~var_1_5~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_1~0 ((_ extract 15 0) .cse1))) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse2)))))) (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0)))) is different from true [2024-12-02 06:39:14,610 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:39:18,675 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_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (not (fp.gt (fp.add currentRoundingMode ~var_1_2~0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 153.0 10.0)) ~var_1_3~0)) (fp.neg ~var_1_4~0))))) is different from false [2024-12-02 06:39:30,913 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:39:34,974 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_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (not (fp.gt (fp.add currentRoundingMode ~var_1_2~0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 153.0 10.0)) ~var_1_3~0)) (fp.neg ~var_1_4~0)))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) is different from false [2024-12-02 06:39:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 06:39:34,983 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:39:34,983 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:39:34,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1203386741] [2024-12-02 06:39:34,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1203386741] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:34,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:34,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:39:34,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371692194] [2024-12-02 06:39:34,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:34,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:39:34,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:39:34,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:39:34,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-12-02 06:39:34,985 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 06:39:34,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:39:34,994 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2024-12-02 06:39:34,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:39:34,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-12-02 06:39:34,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:39:34,995 INFO L225 Difference]: With dead ends: 37 [2024-12-02 06:39:34,995 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 06:39:34,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.4s TimeCoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-12-02 06:39:34,996 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 103 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:39:34,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 103 Unchecked, 0.0s Time] [2024-12-02 06:39:34,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 06:39:34,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 06:39:34,997 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 06:39:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 06:39:34,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2024-12-02 06:39:34,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:39:34,997 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:39:34,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-12-02 06:39:34,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 06:39:34,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 06:39:34,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:39:35,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 06:39:35,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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 06:39:35,202 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 06:39:35,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 06:39:35,219 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:39:35,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:39:35 BoogieIcfgContainer [2024-12-02 06:39:35,226 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:39:35,227 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:39:35,227 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:39:35,227 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:39:35,227 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:35:47" (3/4) ... [2024-12-02 06:39:35,229 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 06:39:35,232 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 06:39:35,235 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-02 06:39:35,235 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 06:39:35,235 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 06:39:35,235 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 06:39:35,290 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 06:39:35,290 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 06:39:35,290 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:39:35,291 INFO L158 Benchmark]: Toolchain (without parser) took 240145.81ms. Allocated memory was 92.3MB in the beginning and 176.2MB in the end (delta: 83.9MB). Free memory was 69.4MB in the beginning and 99.3MB in the end (delta: -30.0MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2024-12-02 06:39:35,291 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:39:35,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.09ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 57.0MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:39:35,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.18ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:39:35,292 INFO L158 Benchmark]: Boogie Preprocessor took 35.25ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 53.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:39:35,292 INFO L158 Benchmark]: RCFGBuilder took 12509.45ms. Allocated memory is still 92.3MB. Free memory was 53.6MB in the beginning and 41.7MB in the end (delta: 11.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:39:35,292 INFO L158 Benchmark]: TraceAbstraction took 227278.48ms. Allocated memory was 92.3MB in the beginning and 176.2MB in the end (delta: 83.9MB). Free memory was 41.1MB in the beginning and 103.9MB in the end (delta: -62.8MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-12-02 06:39:35,293 INFO L158 Benchmark]: Witness Printer took 63.62ms. Allocated memory is still 176.2MB. Free memory was 103.9MB in the beginning and 99.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:39:35,294 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.09ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 57.0MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.18ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.25ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 53.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 12509.45ms. Allocated memory is still 92.3MB. Free memory was 53.6MB in the beginning and 41.7MB in the end (delta: 11.9MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 227278.48ms. Allocated memory was 92.3MB in the beginning and 176.2MB in the end (delta: 83.9MB). Free memory was 41.1MB in the beginning and 103.9MB in the end (delta: -62.8MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Witness Printer took 63.62ms. Allocated memory is still 176.2MB. Free memory was 103.9MB in the beginning and 99.3MB in the end (delta: 4.5MB). 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, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 227.2s, OverallIterations: 3, TraceHistogramMax: 10, 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, 310 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 185 IncrementalHoareTripleChecker+Unchecked, 183 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 127 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 2.1s SatisfiabilityAnalysisTime, 224.2s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 198 ConstructedInterpolants, 4 QuantifiedInterpolants, 384 SizeOfPredicates, 18 NumberOfNonLiveVariables, 333 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 540/540 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 06:39:35,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7dc6ea-2eaa-4a5b-8be6-02b42d03df56/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