./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.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_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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_851d95c1-b511-4d40-95a2-e1edbf03072d/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 8031214ed9c619943b4a735ea98fb6c6f1f9f3536470f440c97b936292613cf6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:37:55,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:37:55,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:37:55,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:37:55,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:37:55,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:37:55,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:37:55,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:37:55,865 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:37:55,865 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:37:55,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:37:55,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:37:55,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:37:55,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:37:55,866 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:37:55,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:37:55,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:37:55,866 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:37:55,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:37:55,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:37:55,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:37:55,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:37:55,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:37:55,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:37:55,867 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:37:55,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:37:55,867 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:37:55,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:37:55,867 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:37:55,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:37:55,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:37:55,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:37:55,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:37:55,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:37:55,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:37:55,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:37:55,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:37:55,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:37:55,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:37:55,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:37:55,868 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:37:55,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:37:55,869 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:37:55,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:37:55,869 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:37:55,869 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:37:55,869 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:37:55,869 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:37:55,869 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_851d95c1-b511-4d40-95a2-e1edbf03072d/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 -> 8031214ed9c619943b4a735ea98fb6c6f1f9f3536470f440c97b936292613cf6 [2024-12-02 06:37:56,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:37:56,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:37:56,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:37:56,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:37:56,180 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:37:56,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i [2024-12-02 06:37:59,267 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/data/e19f6f020/27c9492294404f1086489823c526a7a4/FLAGc9c813366 [2024-12-02 06:37:59,528 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:37:59,529 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i [2024-12-02 06:37:59,538 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/data/e19f6f020/27c9492294404f1086489823c526a7a4/FLAGc9c813366 [2024-12-02 06:37:59,556 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/data/e19f6f020/27c9492294404f1086489823c526a7a4 [2024-12-02 06:37:59,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:37:59,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:37:59,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:37:59,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:37:59,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:37:59,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b3acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59, skipping insertion in model container [2024-12-02 06:37:59,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:37:59,746 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_851d95c1-b511-4d40-95a2-e1edbf03072d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i[915,928] [2024-12-02 06:37:59,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:37:59,794 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:37:59,807 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_851d95c1-b511-4d40-95a2-e1edbf03072d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i[915,928] [2024-12-02 06:37:59,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:37:59,841 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:37:59,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59 WrapperNode [2024-12-02 06:37:59,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:37:59,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:37:59,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:37:59,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:37:59,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,883 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2024-12-02 06:37:59,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:37:59,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:37:59,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:37:59,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:37:59,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,897 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,910 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 06:37:59,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,916 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:37:59,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:37:59,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:37:59,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:37:59,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (1/1) ... [2024-12-02 06:37:59,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:37:59,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:37:59,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:37:59,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:37:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:37:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:37:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:37:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:37:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:37:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:38:00,072 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:38:00,075 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:38:00,225 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 06:38:00,225 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:38:00,236 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:38:00,236 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:38:00,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:38:00 BoogieIcfgContainer [2024-12-02 06:38:00,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:38:00,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:38:00,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:38:00,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:38:00,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:37:59" (1/3) ... [2024-12-02 06:38:00,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e8f178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:38:00, skipping insertion in model container [2024-12-02 06:38:00,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:37:59" (2/3) ... [2024-12-02 06:38:00,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e8f178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:38:00, skipping insertion in model container [2024-12-02 06:38:00,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:38:00" (3/3) ... [2024-12-02 06:38:00,247 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-53.i [2024-12-02 06:38:00,261 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:38:00,262 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-53.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:38:00,317 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:38:00,330 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;@4e406809, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:38:00,331 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:38:00,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:38:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 06:38:00,342 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:38:00,342 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:00,343 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:38:00,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:00,348 INFO L85 PathProgramCache]: Analyzing trace with hash -2129135455, now seen corresponding path program 1 times [2024-12-02 06:38:00,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:00,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221494064] [2024-12-02 06:38:00,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:00,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:00,545 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 06:38:00,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:00,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221494064] [2024-12-02 06:38:00,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221494064] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:38:00,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070025841] [2024-12-02 06:38:00,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:00,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:38:00,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:38:00,550 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:38:00,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:38:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:00,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:38:00,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:38:00,698 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 06:38:00,698 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:38:00,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070025841] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:00,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:38:00,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 06:38:00,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417470970] [2024-12-02 06:38:00,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:00,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:38:00,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:00,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:38:00,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:38:00,730 INFO L87 Difference]: Start difference. First operand has 39 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:38:00,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:38:00,750 INFO L93 Difference]: Finished difference Result 71 states and 113 transitions. [2024-12-02 06:38:00,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:38:00,753 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2024-12-02 06:38:00,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:38:00,760 INFO L225 Difference]: With dead ends: 71 [2024-12-02 06:38:00,760 INFO L226 Difference]: Without dead ends: 35 [2024-12-02 06:38:00,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 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 06:38:00,767 INFO L435 NwaCegarLoop]: 47 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, 47 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 06:38:00,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:38:00,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-12-02 06:38:00,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-12-02 06:38:00,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:38:00,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 47 transitions. [2024-12-02 06:38:00,812 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 47 transitions. Word has length 72 [2024-12-02 06:38:00,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:38:00,813 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 47 transitions. [2024-12-02 06:38:00,813 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:38:00,813 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2024-12-02 06:38:00,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 06:38:00,816 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:38:00,816 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:00,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:38:01,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 06:38:01,017 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:38:01,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:01,018 INFO L85 PathProgramCache]: Analyzing trace with hash -983855065, now seen corresponding path program 1 times [2024-12-02 06:38:01,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:01,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919623437] [2024-12-02 06:38:01,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:01,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:38:01,094 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:38:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:38:01,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:38:01,184 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:38:01,185 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:38:01,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:38:01,189 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 06:38:01,230 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:38:01,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:38:01 BoogieIcfgContainer [2024-12-02 06:38:01,235 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:38:01,235 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:38:01,235 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:38:01,236 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:38:01,236 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:38:00" (3/4) ... [2024-12-02 06:38:01,239 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:38:01,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:38:01,240 INFO L158 Benchmark]: Toolchain (without parser) took 1679.84ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 110.6MB in the end (delta: 6.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-12-02 06:38:01,241 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:38:01,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.10ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 105.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:38:01,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.45ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:38:01,242 INFO L158 Benchmark]: Boogie Preprocessor took 41.51ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:38:01,242 INFO L158 Benchmark]: RCFGBuilder took 310.56ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 91.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:38:01,243 INFO L158 Benchmark]: TraceAbstraction took 995.59ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 111.3MB in the end (delta: -20.4MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-12-02 06:38:01,243 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 110.6MB in the end (delta: 672.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:38:01,245 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.10ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 105.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.45ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.51ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 310.56ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 91.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 995.59ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 111.3MB in the end (delta: -20.4MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 110.6MB in the end (delta: 672.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryFLOATComparisonOperation at line 33, overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of someBinaryFLOATComparisonOperation at line 48, overapproximation of someBinaryFLOATComparisonOperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 8; [L23] float var_1_2 = 1.25; [L24] float var_1_3 = 1.375; [L25] float var_1_4 = 1.6; [L26] float var_1_5 = 256.25; [L27] float var_1_6 = 1.9; [L28] signed long int var_1_7 = -32; [L29] signed long int var_1_8 = -10000000; VAL [isInitial=0, var_1_1=8, var_1_2=5/4, var_1_3=11/8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L68] isInitial = 1 [L69] FCALL initially() [L71] FCALL updateLastVariables() [L72] CALL updateVariables() [L42] var_1_2 = __VERIFIER_nondet_float() [L43] 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=8, var_1_3=11/8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_3=11/8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L43] 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=8, var_1_3=11/8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L44] var_1_3 = __VERIFIER_nondet_float() [L45] 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=8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L45] 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=8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L46] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L46] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, var_1_1=8, var_1_4=8/5, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L47] var_1_4 = __VERIFIER_nondet_float() [L48] 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=8, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L48] 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=8, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L49] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L49] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, var_1_1=8, var_1_5=1025/4, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L50] var_1_5 = __VERIFIER_nondet_float() [L51] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L51] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=8, var_1_6=19/10, var_1_7=-32, var_1_8=-10000000] [L52] var_1_6 = __VERIFIER_nondet_float() [L53] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-32, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-32, var_1_8=-10000000] [L53] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=8, var_1_7=-32, var_1_8=-10000000] [L54] var_1_7 = __VERIFIER_nondet_long() [L55] CALL assume_abort_if_not(var_1_7 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-10000000] [L55] RET assume_abort_if_not(var_1_7 >= -1073741823) VAL [isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-10000000] [L56] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-10000000] [L56] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-10000000] [L57] var_1_8 = __VERIFIER_nondet_long() [L58] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-1073741823] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-1073741823] [L58] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-1073741823] [L59] CALL assume_abort_if_not(var_1_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-1073741823] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-1073741823] [L59] RET assume_abort_if_not(var_1_8 <= 1073741823) VAL [isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-1073741823] [L72] RET updateVariables() [L73] CALL step() [L33] COND FALSE !((var_1_2 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) > (var_1_5 * var_1_6)) VAL [isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-1073741823] [L73] RET step() [L74] CALL, EXPR property() [L64-L65] return ((var_1_2 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) > (var_1_5 * var_1_6)) ? ((var_1_3 == var_1_6) ? (var_1_1 == ((signed long int) (var_1_7 + var_1_8))) : (var_1_1 == ((signed long int) var_1_8))) : 1 ; VAL [\result=0, isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-1073741823] [L74] RET, EXPR property() [L74] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-1073741823] [L19] reach_error() VAL [isInitial=1, var_1_1=8, var_1_7=-1073741823, var_1_8=-1073741823] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 47 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, 47 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 166 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 420/440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 06:38:01,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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_851d95c1-b511-4d40-95a2-e1edbf03072d/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 8031214ed9c619943b4a735ea98fb6c6f1f9f3536470f440c97b936292613cf6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:38:03,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:38:03,700 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 06:38:03,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:38:03,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:38:03,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:38:03,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:38:03,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:38:03,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:38:03,736 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:38:03,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:38:03,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:38:03,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:38:03,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:38:03,737 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:38:03,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:38:03,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:38:03,738 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:38:03,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:38:03,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:38:03,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:38:03,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:38:03,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:38:03,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 06:38:03,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 06:38:03,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 06:38:03,738 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:38:03,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:38:03,739 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:38:03,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:38:03,739 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:38:03,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:38:03,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:38:03,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:38:03,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:38:03,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:38:03,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:38:03,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:38:03,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:38:03,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:38:03,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:38:03,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:38:03,740 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:38:03,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:38:03,740 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 06:38:03,740 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 06:38:03,740 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:38:03,740 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:38:03,741 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:38:03,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:38:03,741 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_851d95c1-b511-4d40-95a2-e1edbf03072d/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 -> 8031214ed9c619943b4a735ea98fb6c6f1f9f3536470f440c97b936292613cf6 [2024-12-02 06:38:04,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:38:04,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:38:04,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:38:04,056 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:38:04,057 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:38:04,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i [2024-12-02 06:38:07,316 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/data/f7c026304/7323ef5e96244e0394b01dfcf4cbef00/FLAGa86f98f8d [2024-12-02 06:38:07,584 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:38:07,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i [2024-12-02 06:38:07,594 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/data/f7c026304/7323ef5e96244e0394b01dfcf4cbef00/FLAGa86f98f8d [2024-12-02 06:38:07,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/data/f7c026304/7323ef5e96244e0394b01dfcf4cbef00 [2024-12-02 06:38:07,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:38:07,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:38:07,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:38:07,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:38:07,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:38:07,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b444275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07, skipping insertion in model container [2024-12-02 06:38:07,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:38:07,771 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_851d95c1-b511-4d40-95a2-e1edbf03072d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i[915,928] [2024-12-02 06:38:07,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:38:07,806 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:38:07,817 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_851d95c1-b511-4d40-95a2-e1edbf03072d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-53.i[915,928] [2024-12-02 06:38:07,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:38:07,844 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:38:07,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07 WrapperNode [2024-12-02 06:38:07,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:38:07,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:38:07,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:38:07,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:38:07,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,875 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2024-12-02 06:38:07,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:38:07,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:38:07,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:38:07,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:38:07,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,889 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,897 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 06:38:07,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,904 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:38:07,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:38:07,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:38:07,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:38:07,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (1/1) ... [2024-12-02 06:38:07,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:38:07,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:38:07,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:38:07,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:38:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:38:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 06:38:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:38:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:38:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:38:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:38:08,045 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:38:08,046 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:38:15,876 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 06:38:15,877 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:38:15,887 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:38:15,888 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:38:15,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:38:15 BoogieIcfgContainer [2024-12-02 06:38:15,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:38:15,890 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:38:15,890 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:38:15,896 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:38:15,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:38:07" (1/3) ... [2024-12-02 06:38:15,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139672e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:38:15, skipping insertion in model container [2024-12-02 06:38:15,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:07" (2/3) ... [2024-12-02 06:38:15,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139672e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:38:15, skipping insertion in model container [2024-12-02 06:38:15,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:38:15" (3/3) ... [2024-12-02 06:38:15,899 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-53.i [2024-12-02 06:38:15,912 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:38:15,913 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-53.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:38:15,969 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:38:15,981 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;@35b72689, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:38:15,981 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:38:15,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:38:15,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 06:38:15,996 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:38:15,997 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:15,997 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:38:16,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:16,003 INFO L85 PathProgramCache]: Analyzing trace with hash -2129135455, now seen corresponding path program 1 times [2024-12-02 06:38:16,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:38:16,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148467251] [2024-12-02 06:38:16,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:16,016 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 06:38:16,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:38:16,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 06:38:16,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 06:38:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:16,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:38:16,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:38:16,472 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-12-02 06:38:16,472 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:38:16,473 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:38:16,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148467251] [2024-12-02 06:38:16,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148467251] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:16,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:16,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:38:16,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053266193] [2024-12-02 06:38:16,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:16,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:38:16,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:38:16,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:38:16,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:38:16,497 INFO L87 Difference]: Start difference. First operand has 39 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:38:16,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:38:16,515 INFO L93 Difference]: Finished difference Result 71 states and 113 transitions. [2024-12-02 06:38:16,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:38:16,517 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2024-12-02 06:38:16,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:38:16,522 INFO L225 Difference]: With dead ends: 71 [2024-12-02 06:38:16,522 INFO L226 Difference]: Without dead ends: 35 [2024-12-02 06:38:16,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 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 06:38:16,527 INFO L435 NwaCegarLoop]: 47 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, 47 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 06:38:16,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:38:16,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-12-02 06:38:16,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-12-02 06:38:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:38:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 47 transitions. [2024-12-02 06:38:16,558 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 47 transitions. Word has length 72 [2024-12-02 06:38:16,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:38:16,558 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 47 transitions. [2024-12-02 06:38:16,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 06:38:16,559 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2024-12-02 06:38:16,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 06:38:16,561 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:38:16,562 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:16,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 06:38:16,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 06:38:16,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:38:16,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:16,764 INFO L85 PathProgramCache]: Analyzing trace with hash -983855065, now seen corresponding path program 1 times [2024-12-02 06:38:16,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:38:16,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1713926059] [2024-12-02 06:38:16,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:16,765 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 06:38:16,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:38:16,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 06:38:16,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 06:38:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:17,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 06:38:17,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:38:23,640 WARN L286 SmtUtils]: Spent 6.42s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:38:31,812 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:38:39,936 WARN L286 SmtUtils]: Spent 8.12s 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 06:38:48,881 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (and (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0)) .cse1) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0)) (not .cse1)))) is different from false [2024-12-02 06:38:52,927 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (and (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0)) .cse1) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0)) (not .cse1)))) is different from true [2024-12-02 06:39:11,389 WARN L286 SmtUtils]: Spent 8.14s 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 06:39:17,804 WARN L286 SmtUtils]: Spent 6.39s 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 06:39:25,548 WARN L286 SmtUtils]: Spent 7.74s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:39:31,875 WARN L286 SmtUtils]: Spent 6.30s 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 06:39:43,599 WARN L286 SmtUtils]: Spent 7.61s 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 06:39:49,095 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:39:54,360 WARN L286 SmtUtils]: Spent 5.26s 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 06:40:02,513 WARN L286 SmtUtils]: Spent 8.15s 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 06:40:10,711 WARN L286 SmtUtils]: Spent 8.19s 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 06:40:22,572 WARN L286 SmtUtils]: Spent 7.71s 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 06:40:28,368 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:40:36,551 WARN L286 SmtUtils]: Spent 8.15s 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 06:40:48,379 WARN L286 SmtUtils]: Spent 7.68s 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 06:40:56,547 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:41:04,708 WARN L286 SmtUtils]: Spent 8.16s 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 06:41:12,869 WARN L286 SmtUtils]: Spent 8.16s 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 06:41:20,995 WARN L286 SmtUtils]: Spent 8.12s 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 06:41:37,360 WARN L286 SmtUtils]: Spent 8.12s 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 06:41:55,630 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:41:55,630 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:41:55,630 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:41:55,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1713926059] [2024-12-02 06:41:55,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1713926059] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:41:55,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:41:55,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:41:55,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453207038] [2024-12-02 06:41:55,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:41:55,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:41:55,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:41:55,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:41:55,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2024-12-02 06:41:55,633 INFO L87 Difference]: Start difference. First operand 35 states and 47 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:41:58,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 06:41:58,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:41:58,232 INFO L93 Difference]: Finished difference Result 40 states and 52 transitions. [2024-12-02 06:41:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:41:58,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 72 [2024-12-02 06:41:58,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:41:58,234 INFO L225 Difference]: With dead ends: 40 [2024-12-02 06:41:58,234 INFO L226 Difference]: Without dead ends: 38 [2024-12-02 06:41:58,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2024-12-02 06:41:58,235 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 51 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:41:58,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 51 Unchecked, 2.6s Time] [2024-12-02 06:41:58,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-12-02 06:41:58,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-12-02 06:41:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:41:58,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 50 transitions. [2024-12-02 06:41:58,242 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 50 transitions. Word has length 72 [2024-12-02 06:41:58,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:41:58,243 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 50 transitions. [2024-12-02 06:41:58,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:41:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2024-12-02 06:41:58,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 06:41:58,245 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:41:58,245 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:41:58,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 06:41:58,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 06:41:58,446 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:41:58,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:41:58,446 INFO L85 PathProgramCache]: Analyzing trace with hash -670296271, now seen corresponding path program 1 times [2024-12-02 06:41:58,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:41:58,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037290443] [2024-12-02 06:41:58,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:41:58,447 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 06:41:58,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:41:58,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 06:41:58,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 06:41:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:41:58,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 06:41:58,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:42:06,866 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:42:21,479 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1))) is different from false [2024-12-02 06:42:25,511 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1))) is different from true [2024-12-02 06:42:42,174 WARN L286 SmtUtils]: Spent 7.97s 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 06:42:53,187 WARN L286 SmtUtils]: Spent 8.11s 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 06:43:01,299 WARN L286 SmtUtils]: Spent 8.11s 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 06:43:08,847 WARN L873 $PredicateComparison]: unable to prove that (and (fp.eq c_~var_1_3~0 c_~var_1_6~0) (= c_~var_1_1~0 (bvadd c_~var_1_7~0 c_~var_1_8~0)) (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1)))) is different from true [2024-12-02 06:43:19,700 WARN L286 SmtUtils]: Spent 6.47s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:43:27,313 WARN L286 SmtUtils]: Spent 7.61s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:43:35,428 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:43:43,208 WARN L286 SmtUtils]: Spent 7.78s 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 06:43:51,333 WARN L286 SmtUtils]: Spent 8.12s 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 06:43:59,452 WARN L286 SmtUtils]: Spent 8.12s 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 06:44:15,565 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:44:27,929 WARN L286 SmtUtils]: Spent 8.12s 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 06:44:40,156 WARN L286 SmtUtils]: Spent 8.09s 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 06:44:47,794 WARN L286 SmtUtils]: Spent 7.64s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:44:55,901 WARN L286 SmtUtils]: Spent 8.11s 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 06:45:04,042 WARN L286 SmtUtils]: Spent 8.13s 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 06:45:12,145 WARN L286 SmtUtils]: Spent 8.10s 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 06:45:18,892 WARN L286 SmtUtils]: Spent 6.75s 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 06:45:38,281 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:45:46,387 WARN L286 SmtUtils]: Spent 8.11s 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 06:45:58,553 WARN L286 SmtUtils]: Spent 8.12s 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 06:46:03,969 WARN L286 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:46:11,802 WARN L286 SmtUtils]: Spent 7.83s 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 06:46:19,925 WARN L286 SmtUtils]: Spent 8.12s 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 06:46:21,728 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:46:21,728 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:46:21,728 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:46:21,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037290443] [2024-12-02 06:46:21,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037290443] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:46:21,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:46:21,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:46:21,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046454286] [2024-12-02 06:46:21,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:46:21,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:46:21,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:46:21,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:46:21,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=8, Unknown=3, NotChecked=10, Total=30 [2024-12-02 06:46:21,730 INFO L87 Difference]: Start difference. First operand 38 states and 50 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:46:24,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 06:46:24,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:46:24,327 INFO L93 Difference]: Finished difference Result 43 states and 55 transitions. [2024-12-02 06:46:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:46:24,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2024-12-02 06:46:24,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:46:24,328 INFO L225 Difference]: With dead ends: 43 [2024-12-02 06:46:24,328 INFO L226 Difference]: Without dead ends: 41 [2024-12-02 06:46:24,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=9, Invalid=8, Unknown=3, NotChecked=10, Total=30 [2024-12-02 06:46:24,329 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 106 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:46:24,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 106 Unchecked, 2.6s Time] [2024-12-02 06:46:24,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-12-02 06:46:24,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2024-12-02 06:46:24,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 06:46:24,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 50 transitions. [2024-12-02 06:46:24,336 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 50 transitions. Word has length 73 [2024-12-02 06:46:24,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:46:24,336 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 50 transitions. [2024-12-02 06:46:24,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:46:24,337 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2024-12-02 06:46:24,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 06:46:24,338 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:46:24,338 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:46:24,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-12-02 06:46:24,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 06:46:24,539 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:46:24,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:46:24,539 INFO L85 PathProgramCache]: Analyzing trace with hash -668449229, now seen corresponding path program 1 times [2024-12-02 06:46:24,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:46:24,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108251719] [2024-12-02 06:46:24,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:46:24,540 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 06:46:24,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:46:24,541 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 06:46:24,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 (5)] Waiting until timeout for monitored process [2024-12-02 06:46:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:46:24,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 06:46:24,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:46:34,704 WARN L286 SmtUtils]: Spent 5.95s 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 06:46:42,826 WARN L286 SmtUtils]: Spent 8.12s 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 06:46:50,989 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1))) is different from false [2024-12-02 06:46:55,024 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1))) is different from true [2024-12-02 06:47:04,292 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:47:12,424 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:47:17,438 WARN L286 SmtUtils]: Spent 5.01s 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 06:47:24,810 WARN L286 SmtUtils]: Spent 7.37s 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 06:47:30,038 WARN L286 SmtUtils]: Spent 5.23s 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 06:47:34,074 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.eq c_~var_1_3~0 c_~var_1_6~0)) (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1))) (= c_~var_1_1~0 c_~var_1_8~0)) is different from false [2024-12-02 06:47:38,111 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.eq c_~var_1_3~0 c_~var_1_6~0)) (let ((.cse0 (fp.mul c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (fp.lt c_~var_1_3~0 c_~var_1_4~0))) (or (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_4~0) .cse0) (not .cse1)) (and (fp.gt (fp.div c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) .cse0) .cse1))) (= c_~var_1_1~0 c_~var_1_8~0)) is different from true [2024-12-02 06:47:50,469 WARN L286 SmtUtils]: Spent 8.13s 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 06:47:58,598 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:48:06,727 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:48:18,033 WARN L286 SmtUtils]: Spent 8.13s 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 06:48:23,306 WARN L286 SmtUtils]: Spent 5.27s 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 06:48:33,836 WARN L286 SmtUtils]: Spent 6.40s 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 06:48:40,562 WARN L286 SmtUtils]: Spent 6.72s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:48:52,925 WARN L286 SmtUtils]: Spent 8.12s 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 06:49:05,186 WARN L286 SmtUtils]: Spent 8.13s 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 06:49:13,295 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:49:21,421 WARN L286 SmtUtils]: Spent 8.13s 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 06:49:29,565 WARN L286 SmtUtils]: Spent 8.13s 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 06:49:35,866 WARN L286 SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:49:43,976 WARN L286 SmtUtils]: Spent 8.11s 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 06:49:56,512 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:50:04,633 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:50:10,012 WARN L286 SmtUtils]: Spent 5.38s 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 06:50:22,160 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:50:30,116 WARN L286 SmtUtils]: Spent 7.96s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:50:38,157 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:50:46,257 WARN L286 SmtUtils]: Spent 8.10s 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 06:50:58,418 WARN L286 SmtUtils]: Spent 8.12s 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 06:51:09,118 WARN L286 SmtUtils]: Spent 7.03s 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 06:51:17,248 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 06:51:18,678 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 06:51:18,679 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:51:18,679 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:51:18,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108251719] [2024-12-02 06:51:18,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108251719] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:51:18,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:51:18,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:51:18,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125422568] [2024-12-02 06:51:18,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:51:18,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:51:18,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:51:18,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:51:18,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=7, Unknown=4, NotChecked=10, Total=30 [2024-12-02 06:51:18,681 INFO L87 Difference]: Start difference. First operand 38 states and 50 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:51:21,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 06:51:21,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:51:21,873 INFO L93 Difference]: Finished difference Result 38 states and 50 transitions. [2024-12-02 06:51:21,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:51:21,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2024-12-02 06:51:21,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:51:21,874 INFO L225 Difference]: With dead ends: 38 [2024-12-02 06:51:21,874 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 06:51:21,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.2s TimeCoverageRelationStatistics Valid=9, Invalid=7, Unknown=4, NotChecked=10, Total=30 [2024-12-02 06:51:21,875 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 102 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:51:21,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 102 Unchecked, 3.2s Time] [2024-12-02 06:51:21,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 06:51:21,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 06:51:21,876 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 06:51:21,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 06:51:21,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2024-12-02 06:51:21,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:21,877 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:51:21,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 06:51:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 06:51:21,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 06:51:21,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:51:21,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 (5)] Forceful destruction successful, exit code 0 [2024-12-02 06:51:22,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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 06:51:22,082 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 06:51:22,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 06:51:22,101 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:51:22,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:51:22 BoogieIcfgContainer [2024-12-02 06:51:22,109 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:51:22,110 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:51:22,110 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:51:22,110 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:51:22,110 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:38:15" (3/4) ... [2024-12-02 06:51:22,112 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 06:51:22,117 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 06:51:22,120 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-02 06:51:22,120 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 06:51:22,120 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 06:51:22,120 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 06:51:22,190 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 06:51:22,191 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 06:51:22,191 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:51:22,191 INFO L158 Benchmark]: Toolchain (without parser) took 794575.36ms. Allocated memory was 92.3MB in the beginning and 192.9MB in the end (delta: 100.7MB). Free memory was 69.4MB in the beginning and 155.5MB in the end (delta: -86.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-02 06:51:22,192 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:51:22,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.00ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 57.0MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:51:22,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.17ms. Allocated memory is still 92.3MB. Free memory was 57.0MB 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 06:51:22,192 INFO L158 Benchmark]: Boogie Preprocessor took 37.02ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 53.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:51:22,192 INFO L158 Benchmark]: RCFGBuilder took 7974.50ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 41.9MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:51:22,193 INFO L158 Benchmark]: TraceAbstraction took 786218.79ms. Allocated memory was 92.3MB in the beginning and 192.9MB in the end (delta: 100.7MB). Free memory was 41.3MB in the beginning and 161.3MB in the end (delta: -120.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:51:22,193 INFO L158 Benchmark]: Witness Printer took 81.22ms. Allocated memory is still 192.9MB. Free memory was 161.3MB in the beginning and 155.5MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:51:22,194 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.00ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 57.0MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.17ms. Allocated memory is still 92.3MB. Free memory was 57.0MB 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 37.02ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 53.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 7974.50ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 41.9MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 786218.79ms. Allocated memory was 92.3MB in the beginning and 192.9MB in the end (delta: 100.7MB). Free memory was 41.3MB in the beginning and 161.3MB in the end (delta: -120.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 81.22ms. Allocated memory is still 192.9MB. Free memory was 161.3MB in the beginning and 155.5MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 786.1s, OverallIterations: 4, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 432 SdHoareTripleChecker+Invalid, 8.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 259 IncrementalHoareTripleChecker+Unchecked, 252 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 180 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 286 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 775.3s InterpolantComputationTime, 290 NumberOfCodeBlocks, 290 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 452 SizeOfPredicates, 27 NumberOfNonLiveVariables, 472 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 880/880 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 06:51:22,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_851d95c1-b511-4d40-95a2-e1edbf03072d/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