./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:11:40,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:11:40,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:11:40,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:11:40,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:11:40,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:11:40,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:11:40,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:11:40,627 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:11:40,627 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:11:40,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:11:40,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:11:40,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:11:40,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:11:40,627 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:11:40,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:11:40,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:11:40,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:11:40,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:11:40,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:11:40,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:11:40,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:11:40,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:11:40,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:11:40,628 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:11:40,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:11:40,628 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:11:40,628 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:11:40,629 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:11:40,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:11:40,629 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:11:40,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:11:40,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:11:40,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:11:40,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:11:40,629 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:11:40,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:11:40,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:11:40,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:11:40,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:11:40,630 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:11:40,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:11:40,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:11:40,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:11:40,630 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:11:40,630 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:11:40,630 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:11:40,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:11:40,630 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_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 -> a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd [2024-12-02 10:11:40,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:11:40,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:11:40,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:11:40,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:11:40,878 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:11:40,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i [2024-12-02 10:11:43,482 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/data/40700de87/6b9a87e011d8499ebcbe13c61b6cd8aa/FLAGcac78c300 [2024-12-02 10:11:43,683 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:11:43,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i [2024-12-02 10:11:43,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/data/40700de87/6b9a87e011d8499ebcbe13c61b6cd8aa/FLAGcac78c300 [2024-12-02 10:11:43,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/data/40700de87/6b9a87e011d8499ebcbe13c61b6cd8aa [2024-12-02 10:11:43,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:11:43,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:11:43,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:11:43,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:11:43,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:11:43,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:43,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b563270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43, skipping insertion in model container [2024-12-02 10:11:43,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:43,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:11:43,836 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_5b5ba741-b544-4a7d-8702-b0829b8ac783/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i[913,926] [2024-12-02 10:11:43,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:11:43,892 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:11:43,900 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_5b5ba741-b544-4a7d-8702-b0829b8ac783/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i[913,926] [2024-12-02 10:11:43,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:11:43,939 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:11:43,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43 WrapperNode [2024-12-02 10:11:43,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:11:43,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:11:43,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:11:43,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:11:43,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:43,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:43,977 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 161 [2024-12-02 10:11:43,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:11:43,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:11:43,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:11:43,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:11:43,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:43,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:43,988 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:44,002 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 10:11:44,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:44,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:44,008 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:44,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:44,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:44,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:44,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:44,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:11:44,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:11:44,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:11:44,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:11:44,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (1/1) ... [2024-12-02 10:11:44,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:11:44,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:11:44,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:11:44,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:11:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:11:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:11:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:11:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:11:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:11:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:11:44,126 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:11:44,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:11:44,372 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 10:11:44,372 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:11:44,382 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:11:44,382 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:11:44,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:44 BoogieIcfgContainer [2024-12-02 10:11:44,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:11:44,384 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:11:44,384 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:11:44,387 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:11:44,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:11:43" (1/3) ... [2024-12-02 10:11:44,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210d27e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:11:44, skipping insertion in model container [2024-12-02 10:11:44,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:43" (2/3) ... [2024-12-02 10:11:44,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210d27e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:11:44, skipping insertion in model container [2024-12-02 10:11:44,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:44" (3/3) ... [2024-12-02 10:11:44,389 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-29.i [2024-12-02 10:11:44,402 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:11:44,404 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-29.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:11:44,456 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:11:44,467 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;@7d9cf99e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:11:44,467 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:11:44,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 10:11:44,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 10:11:44,483 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:11:44,483 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:44,484 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:11:44,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:11:44,488 INFO L85 PathProgramCache]: Analyzing trace with hash 731389584, now seen corresponding path program 1 times [2024-12-02 10:11:44,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:11:44,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339088878] [2024-12-02 10:11:44,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:44,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:11:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:11:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-12-02 10:11:45,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:11:45,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339088878] [2024-12-02 10:11:45,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339088878] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:11:45,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:11:45,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:11:45,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300376973] [2024-12-02 10:11:45,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:11:45,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:11:45,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:11:45,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:11:45,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:11:45,161 INFO L87 Difference]: Start difference. First operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-12-02 10:11:45,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:11:45,224 INFO L93 Difference]: Finished difference Result 202 states and 380 transitions. [2024-12-02 10:11:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:11:45,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2024-12-02 10:11:45,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:11:45,234 INFO L225 Difference]: With dead ends: 202 [2024-12-02 10:11:45,234 INFO L226 Difference]: Without dead ends: 133 [2024-12-02 10:11:45,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:11:45,239 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 51 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:11:45,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 201 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:11:45,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-12-02 10:11:45,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2024-12-02 10:11:45,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 72 states have internal predecessors, (93), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 10:11:45,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 205 transitions. [2024-12-02 10:11:45,300 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 205 transitions. Word has length 170 [2024-12-02 10:11:45,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:11:45,301 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 205 transitions. [2024-12-02 10:11:45,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-12-02 10:11:45,302 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 205 transitions. [2024-12-02 10:11:45,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 10:11:45,305 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:11:45,305 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:45,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:11:45,306 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:11:45,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:11:45,307 INFO L85 PathProgramCache]: Analyzing trace with hash 788647886, now seen corresponding path program 1 times [2024-12-02 10:11:45,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:11:45,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654317479] [2024-12-02 10:11:45,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:45,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:11:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:11:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 69 proven. 12 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-12-02 10:11:45,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:11:45,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654317479] [2024-12-02 10:11:45,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654317479] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:11:45,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854044937] [2024-12-02 10:11:45,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:45,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:11:45,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:11:45,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:11:45,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:11:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:11:45,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 10:11:45,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:11:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 929 proven. 12 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2024-12-02 10:11:46,207 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:11:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 69 proven. 12 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-12-02 10:11:46,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854044937] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:11:46,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:11:46,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2024-12-02 10:11:46,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194601976] [2024-12-02 10:11:46,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:11:46,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 10:11:46,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:11:46,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 10:11:46,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-12-02 10:11:46,512 INFO L87 Difference]: Start difference. First operand 131 states and 205 transitions. Second operand has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 7 states have call successors, (68), 3 states have call predecessors, (68), 6 states have return successors, (68), 6 states have call predecessors, (68), 7 states have call successors, (68) [2024-12-02 10:11:46,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:11:46,898 INFO L93 Difference]: Finished difference Result 271 states and 417 transitions. [2024-12-02 10:11:46,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 10:11:46,900 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 7 states have call successors, (68), 3 states have call predecessors, (68), 6 states have return successors, (68), 6 states have call predecessors, (68), 7 states have call successors, (68) Word has length 170 [2024-12-02 10:11:46,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:11:46,902 INFO L225 Difference]: With dead ends: 271 [2024-12-02 10:11:46,903 INFO L226 Difference]: Without dead ends: 143 [2024-12-02 10:11:46,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-12-02 10:11:46,905 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 132 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:11:46,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 184 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:11:46,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-12-02 10:11:46,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2024-12-02 10:11:46,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 78 states have internal predecessors, (97), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 10:11:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 209 transitions. [2024-12-02 10:11:46,944 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 209 transitions. Word has length 170 [2024-12-02 10:11:46,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:11:46,945 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 209 transitions. [2024-12-02 10:11:46,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 7 states have call successors, (68), 3 states have call predecessors, (68), 6 states have return successors, (68), 6 states have call predecessors, (68), 7 states have call successors, (68) [2024-12-02 10:11:46,945 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 209 transitions. [2024-12-02 10:11:46,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 10:11:46,948 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:11:46,949 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:46,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:11:47,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:11:47,149 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:11:47,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:11:47,150 INFO L85 PathProgramCache]: Analyzing trace with hash 158292725, now seen corresponding path program 1 times [2024-12-02 10:11:47,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:11:47,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56418633] [2024-12-02 10:11:47,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:47,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:11:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 10:11:47,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1343359871] [2024-12-02 10:11:47,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:47,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:11:47,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:11:47,295 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:11:47,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:11:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:11:47,501 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:11:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:11:47,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:11:47,672 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:11:47,673 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:11:47,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 10:11:47,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:11:47,877 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 10:11:47,969 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:11:47,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:11:47 BoogieIcfgContainer [2024-12-02 10:11:47,972 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:11:47,973 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:11:47,973 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:11:47,973 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:11:47,973 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:44" (3/4) ... [2024-12-02 10:11:47,975 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:11:47,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:11:47,977 INFO L158 Benchmark]: Toolchain (without parser) took 4266.94ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 117.7MB in the beginning and 288.6MB in the end (delta: -170.9MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2024-12-02 10:11:47,977 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:11:47,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.96ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 103.9MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:11:47,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.93ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 101.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:11:47,978 INFO L158 Benchmark]: Boogie Preprocessor took 39.97ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 99.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:11:47,978 INFO L158 Benchmark]: RCFGBuilder took 364.07ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 80.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:11:47,978 INFO L158 Benchmark]: TraceAbstraction took 3588.31ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 80.0MB in the beginning and 288.6MB in the end (delta: -208.6MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2024-12-02 10:11:47,978 INFO L158 Benchmark]: Witness Printer took 3.53ms. Allocated memory is still 411.0MB. Free memory was 288.6MB in the beginning and 288.6MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:11:47,980 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.96ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 103.9MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.93ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 101.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.97ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 99.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 364.07ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 80.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3588.31ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 80.0MB in the beginning and 288.6MB in the end (delta: -208.6MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. * Witness Printer took 3.53ms. Allocated memory is still 411.0MB. Free memory was 288.6MB in the beginning and 288.6MB in the end (delta: 17.7kB). 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 135, overapproximation of someBinaryFLOATComparisonOperation at line 126, overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryFLOATComparisonOperation at line 128, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 135, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 0; [L26] signed short int var_1_9 = 0; [L27] signed short int var_1_10 = 8; [L28] signed char var_1_11 = 1; [L29] signed char var_1_12 = 32; [L30] signed char var_1_13 = -2; [L31] signed char var_1_14 = 8; [L32] signed char var_1_15 = 0; [L33] signed char var_1_16 = 10; [L34] signed char var_1_17 = 32; [L35] unsigned char var_1_18 = 0; [L36] signed char var_1_19 = -1; [L37] signed short int var_1_20 = 100; [L38] signed short int var_1_22 = 29265; [L39] float var_1_23 = 31.6; [L40] float var_1_24 = 9.2; [L41] float var_1_25 = 15.6; [L42] float var_1_26 = 25.25; [L43] unsigned long int var_1_27 = 256; VAL [isInitial=0, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L139] isInitial = 1 [L140] FCALL initially() [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L88] var_1_6 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_7=0, var_1_8=0, var_1_9=0] [L89] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_7=0, var_1_8=0, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L90] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L91] var_1_7 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L92] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L93] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L94] var_1_9 = __VERIFIER_nondet_short() [L95] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L95] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L96] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L96] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L97] var_1_10 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L98] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L99] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L99] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L100] var_1_12 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L101] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L102] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L102] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L103] var_1_13 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L104] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L105] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L105] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L106] var_1_14 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L107] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L108] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L108] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L109] var_1_15 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L110] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L111] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L111] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L112] var_1_16 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L113] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L114] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L114] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L115] var_1_17 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L116] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L117] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L117] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L118] var_1_19 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_19 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L119] RET assume_abort_if_not(var_1_19 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L120] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L120] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L121] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L121] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L122] var_1_22 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_22 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L123] RET assume_abort_if_not(var_1_22 >= 16382) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L124] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L124] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L125] var_1_24 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L126] RET assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L127] var_1_25 = __VERIFIER_nondet_float() [L128] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L128] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L129] var_1_26 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L130] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L143] RET updateVariables() [L144] CALL step() [L47] var_1_8 = (var_1_9 - (2 + var_1_10)) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L48] COND TRUE var_1_22 != var_1_12 VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L49] COND TRUE var_1_10 <= var_1_17 [L50] var_1_23 = (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L55] COND TRUE ! ((var_1_9 - var_1_22) > var_1_12) [L56] var_1_27 = var_1_15 VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L58] COND FALSE !(var_1_23 == var_1_23) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L63] COND TRUE (- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23) [L64] var_1_20 = ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16382, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L68] COND FALSE !(\read(var_1_18)) [L71] var_1_1 = var_1_7 VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16382, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L73] COND TRUE \read(var_1_1) [L74] var_1_11 = (var_1_12 + ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16382, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return ((((((var_1_18 ? (var_1_1 == ((unsigned char) (((-128 <= var_1_20) || (var_1_23 >= var_1_23)) && var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) && (var_1_8 == ((signed short int) (var_1_9 - (2 + var_1_10))))) && (var_1_1 ? (var_1_11 == ((signed char) (var_1_12 + ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) : ((var_1_27 >= var_1_14) ? (var_1_11 == ((signed char) ((var_1_15 + var_1_16) - var_1_17))) : (var_1_7 ? (var_1_11 == ((signed char) var_1_16)) : (var_1_11 == ((signed char) var_1_12)))))) && ((var_1_23 == var_1_23) ? ((var_1_15 >= (var_1_27 / var_1_19)) ? (var_1_18 == ((unsigned char) var_1_7)) : 1) : 1)) && (((- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23)) ? (var_1_20 == ((signed short int) ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10))) : (var_1_20 == ((signed short int) var_1_19)))) && ((var_1_22 != var_1_12) ? ((var_1_10 <= var_1_17) ? (var_1_23 == ((float) (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))))) : 1) : (var_1_23 == ((float) var_1_25)))) && ((! ((var_1_9 - var_1_22) > var_1_12)) ? (var_1_27 == ((unsigned long int) var_1_15)) : 1) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16382, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16382, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16382, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 3, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 183 mSDsluCounter, 385 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 215 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 244 IncrementalHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 170 mSDtfsCounter, 244 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 852 NumberOfCodeBlocks, 852 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 676 ConstructedInterpolants, 0 QuantifiedInterpolants, 1345 SizeOfPredicates, 3 NumberOfNonLiveVariables, 381 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 6012/6048 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 10:11:47,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:11:49,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:11:49,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:11:50,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:11:50,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:11:50,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:11:50,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:11:50,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:11:50,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:11:50,025 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:11:50,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:11:50,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:11:50,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:11:50,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:11:50,025 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:11:50,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:11:50,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:11:50,026 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:11:50,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:11:50,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:11:50,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:11:50,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:11:50,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:11:50,026 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:11:50,026 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:11:50,026 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:11:50,026 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:11:50,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:11:50,027 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:11:50,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:11:50,027 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:11:50,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:11:50,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:11:50,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:11:50,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:11:50,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:11:50,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:11:50,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:11:50,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:11:50,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:11:50,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:11:50,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:11:50,028 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:11:50,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:11:50,028 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:11:50,028 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:11:50,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:11:50,028 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:11:50,028 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:11:50,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:11:50,028 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_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 -> a6e01815b85081eba7e0081229a01ecf7f6dda700f05238454388a259fe464fd [2024-12-02 10:11:50,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:11:50,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:11:50,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:11:50,258 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:11:50,258 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:11:50,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i [2024-12-02 10:11:52,870 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/data/2d7845fed/26c152e365f54087bb9b183801d4ce84/FLAGcaefb8de0 [2024-12-02 10:11:53,114 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:11:53,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i [2024-12-02 10:11:53,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/data/2d7845fed/26c152e365f54087bb9b183801d4ce84/FLAGcaefb8de0 [2024-12-02 10:11:53,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/data/2d7845fed/26c152e365f54087bb9b183801d4ce84 [2024-12-02 10:11:53,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:11:53,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:11:53,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:11:53,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:11:53,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:11:53,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2344bb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53, skipping insertion in model container [2024-12-02 10:11:53,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:11:53,587 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_5b5ba741-b544-4a7d-8702-b0829b8ac783/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i[913,926] [2024-12-02 10:11:53,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:11:53,647 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:11:53,656 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_5b5ba741-b544-4a7d-8702-b0829b8ac783/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-29.i[913,926] [2024-12-02 10:11:53,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:11:53,697 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:11:53,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53 WrapperNode [2024-12-02 10:11:53,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:11:53,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:11:53,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:11:53,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:11:53,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,733 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2024-12-02 10:11:53,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:11:53,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:11:53,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:11:53,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:11:53,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,744 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,755 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 10:11:53,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,765 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:11:53,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:11:53,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:11:53,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:11:53,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (1/1) ... [2024-12-02 10:11:53,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:11:53,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:11:53,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:11:53,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:11:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:11:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:11:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:11:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:11:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:11:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:11:53,905 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:11:53,907 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:11:55,864 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 10:11:55,864 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:11:55,872 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:11:55,873 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:11:55,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:55 BoogieIcfgContainer [2024-12-02 10:11:55,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:11:55,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:11:55,875 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:11:55,878 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:11:55,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:11:53" (1/3) ... [2024-12-02 10:11:55,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693993ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:11:55, skipping insertion in model container [2024-12-02 10:11:55,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:53" (2/3) ... [2024-12-02 10:11:55,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693993ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:11:55, skipping insertion in model container [2024-12-02 10:11:55,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:55" (3/3) ... [2024-12-02 10:11:55,880 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-29.i [2024-12-02 10:11:55,891 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:11:55,892 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-29.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:11:55,936 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:11:55,945 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;@15dcf5c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:11:55,946 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:11:55,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 10:11:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 10:11:55,959 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:11:55,959 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:55,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:11:55,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:11:55,964 INFO L85 PathProgramCache]: Analyzing trace with hash 731389584, now seen corresponding path program 1 times [2024-12-02 10:11:55,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:11:55,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [862854460] [2024-12-02 10:11:55,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:55,974 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 10:11:55,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:11:55,975 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:11:55,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:11:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:11:56,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:11:56,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:11:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2024-12-02 10:11:56,612 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:11:56,673 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:11:56,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [862854460] [2024-12-02 10:11:56,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [862854460] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:11:56,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1088599279] [2024-12-02 10:11:56,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:56,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 10:11:56,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 10:11:56,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 10:11:56,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-02 10:11:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:11:57,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:11:57,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:11:57,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-12-02 10:11:57,750 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:11:57,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1088599279] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:11:57,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:11:57,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-12-02 10:11:57,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717388751] [2024-12-02 10:11:57,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:11:57,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:11:57,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:11:57,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:11:57,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:11:57,779 INFO L87 Difference]: Start difference. First operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-12-02 10:11:59,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:11:59,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:11:59,076 INFO L93 Difference]: Finished difference Result 202 states and 380 transitions. [2024-12-02 10:11:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:11:59,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2024-12-02 10:11:59,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:11:59,096 INFO L225 Difference]: With dead ends: 202 [2024-12-02 10:11:59,096 INFO L226 Difference]: Without dead ends: 133 [2024-12-02 10:11:59,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:11:59,099 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 20 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:11:59,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 201 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 10:11:59,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-12-02 10:11:59,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2024-12-02 10:11:59,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 72 states have internal predecessors, (93), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 10:11:59,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 205 transitions. [2024-12-02 10:11:59,139 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 205 transitions. Word has length 170 [2024-12-02 10:11:59,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:11:59,140 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 205 transitions. [2024-12-02 10:11:59,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-12-02 10:11:59,140 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 205 transitions. [2024-12-02 10:11:59,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 10:11:59,142 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:11:59,142 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:59,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-02 10:11:59,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:11:59,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:11:59,543 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:11:59,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:11:59,544 INFO L85 PathProgramCache]: Analyzing trace with hash 788647886, now seen corresponding path program 1 times [2024-12-02 10:11:59,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:11:59,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254540938] [2024-12-02 10:11:59,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:59,545 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 10:11:59,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:11:59,546 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:11:59,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:11:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:11:59,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:11:59,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:12:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2024-12-02 10:12:00,005 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:12:00,057 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:12:00,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1254540938] [2024-12-02 10:12:00,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1254540938] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:12:00,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1089293167] [2024-12-02 10:12:00,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:12:00,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 10:12:00,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 10:12:00,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 10:12:00,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-02 10:12:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:12:00,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:12:00,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:12:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-12-02 10:12:00,842 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:12:00,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1089293167] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:12:00,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:12:00,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 10:12:00,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533734485] [2024-12-02 10:12:00,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:12:00,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:12:00,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:12:00,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:12:00,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:12:00,844 INFO L87 Difference]: Start difference. First operand 131 states and 205 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-12-02 10:12:02,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:12:02,307 INFO L93 Difference]: Finished difference Result 385 states and 605 transitions. [2024-12-02 10:12:02,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:12:02,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2024-12-02 10:12:02,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:12:02,311 INFO L225 Difference]: With dead ends: 385 [2024-12-02 10:12:02,312 INFO L226 Difference]: Without dead ends: 257 [2024-12-02 10:12:02,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:12:02,314 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 95 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:12:02,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 281 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 10:12:02,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-12-02 10:12:02,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2024-12-02 10:12:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 138 states have (on average 1.2608695652173914) internal successors, (174), 138 states have internal predecessors, (174), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-12-02 10:12:02,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 398 transitions. [2024-12-02 10:12:02,353 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 398 transitions. Word has length 170 [2024-12-02 10:12:02,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:12:02,354 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 398 transitions. [2024-12-02 10:12:02,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-12-02 10:12:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 398 transitions. [2024-12-02 10:12:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 10:12:02,357 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:12:02,358 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:02,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 10:12:02,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-02 10:12:02,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 10:12:02,759 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:12:02,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:12:02,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1731312048, now seen corresponding path program 1 times [2024-12-02 10:12:02,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:12:02,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092317775] [2024-12-02 10:12:02,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:12:02,760 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 10:12:02,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:12:02,762 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:12:02,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 (6)] Waiting until timeout for monitored process [2024-12-02 10:12:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:12:03,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:12:03,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:12:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2024-12-02 10:12:03,245 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:12:03,293 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:12:03,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092317775] [2024-12-02 10:12:03,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092317775] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:12:03,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1505937722] [2024-12-02 10:12:03,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:12:03,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 10:12:03,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 10:12:03,296 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 10:12:03,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-02 10:12:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:12:04,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 10:12:04,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:12:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 183 proven. 3 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-12-02 10:12:04,620 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:12:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-12-02 10:12:05,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1505937722] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:12:05,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:12:05,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2024-12-02 10:12:05,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323015012] [2024-12-02 10:12:05,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:12:05,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 10:12:05,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:12:05,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 10:12:05,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:12:05,200 INFO L87 Difference]: Start difference. First operand 255 states and 398 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2024-12-02 10:12:16,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:12:16,000 INFO L93 Difference]: Finished difference Result 701 states and 1052 transitions. [2024-12-02 10:12:16,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-02 10:12:16,001 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) Word has length 170 [2024-12-02 10:12:16,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:12:16,004 INFO L225 Difference]: With dead ends: 701 [2024-12-02 10:12:16,004 INFO L226 Difference]: Without dead ends: 449 [2024-12-02 10:12:16,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=411, Invalid=1149, Unknown=0, NotChecked=0, Total=1560 [2024-12-02 10:12:16,006 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 310 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 478 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:12:16,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 316 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [478 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-12-02 10:12:16,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-12-02 10:12:16,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 291. [2024-12-02 10:12:16,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 166 states have (on average 1.2048192771084338) internal successors, (200), 166 states have internal predecessors, (200), 112 states have call successors, (112), 12 states have call predecessors, (112), 12 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-12-02 10:12:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 424 transitions. [2024-12-02 10:12:16,064 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 424 transitions. Word has length 170 [2024-12-02 10:12:16,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:12:16,065 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 424 transitions. [2024-12-02 10:12:16,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2024-12-02 10:12:16,065 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 424 transitions. [2024-12-02 10:12:16,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 10:12:16,068 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:12:16,068 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:16,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 (6)] Ended with exit code 0 [2024-12-02 10:12:16,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-02 10:12:16,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 10:12:16,469 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:12:16,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:12:16,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1933300087, now seen corresponding path program 1 times [2024-12-02 10:12:16,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:12:16,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351249870] [2024-12-02 10:12:16,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:12:16,470 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 10:12:16,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:12:16,472 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:12:16,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 (8)] Waiting until timeout for monitored process [2024-12-02 10:12:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:12:16,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 10:12:16,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:12:32,514 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (let ((.cse4 (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (fp.geq ~var_1_26~0 .cse2))))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (fp.leq ~var_1_25~0 .cse3) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))))))) is different from true [2024-12-02 10:12:42,699 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2)))))))) is different from true [2024-12-02 10:12:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-12-02 10:12:48,379 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:12:48,379 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:12:48,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351249870] [2024-12-02 10:12:48,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [351249870] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:12:48,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:12:48,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 10:12:48,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697071874] [2024-12-02 10:12:48,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:12:48,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 10:12:48,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:12:48,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 10:12:48,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=89, Unknown=2, NotChecked=42, Total=182 [2024-12-02 10:12:48,381 INFO L87 Difference]: Start difference. First operand 291 states and 424 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 10:12:54,201 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 (fp.neg .cse2)) (.cse1 (fp.neg .cse3))) (and (or (and (fp.leq c_~var_1_25~0 .cse0) (fp.geq c_~var_1_25~0 .cse1)) (and (fp.geq c_~var_1_25~0 .cse2) (fp.leq c_~var_1_25~0 .cse3))) (or (and (fp.geq c_~var_1_26~0 .cse2) (fp.leq c_~var_1_26~0 .cse3)) (and (fp.leq c_~var_1_26~0 .cse0) (fp.geq c_~var_1_26~0 .cse1))) (or (and (fp.leq c_~var_1_24~0 .cse3) (fp.geq c_~var_1_24~0 .cse2)) (and (fp.leq c_~var_1_24~0 .cse0) (fp.geq c_~var_1_24~0 .cse1))) (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse7 (fp.neg .cse4)) (.cse6 (fp.neg .cse5))) (let ((.cse8 (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse7) (fp.geq ~var_1_26~0 .cse6))))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse4) (fp.leq ~var_1_25~0 .cse5) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse4) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse5))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse4) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse6) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse7) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse7) (fp.geq ~var_1_24~0 .cse6))) (fp.leq ~var_1_25~0 .cse7))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse4) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse5))) (fp.geq ~var_1_25~0 .cse6) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse6) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse7))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse4) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse4) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse5) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse5))) (fp.leq ~var_1_25~0 .cse5))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse4) (fp.leq ~var_1_25~0 .cse5) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse7) (fp.geq ~var_1_24~0 .cse6))) .cse8)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse6) (fp.leq ~var_1_25~0 .cse7) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse5) (fp.geq ~var_1_26~0 .cse4) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse7) (fp.geq ~var_1_24~0 .cse6))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse6) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse6) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse7) (fp.geq ~var_1_24~0 .cse6))) (fp.leq ~var_1_25~0 .cse7))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse4) (fp.leq ~var_1_25~0 .cse5) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse7) (fp.geq ~var_1_24~0 .cse6))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse4) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse6) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse7) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse4) (fp.leq ~var_1_24~0 .cse5))) (fp.leq ~var_1_25~0 .cse7))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse4) (fp.leq ~var_1_25~0 .cse5) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse5) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse7) (fp.geq ~var_1_24~0 .cse6))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse4) (fp.leq ~var_1_25~0 .cse5) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse4) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse5))) .cse8)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse6) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse5) (fp.geq ~var_1_26~0 .cse4) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse4) (fp.leq ~var_1_24~0 .cse5))) (fp.leq ~var_1_25~0 .cse7))))))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-12-02 10:12:56,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:12:56,801 INFO L93 Difference]: Finished difference Result 747 states and 1079 transitions. [2024-12-02 10:12:56,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 10:12:56,804 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) Word has length 171 [2024-12-02 10:12:56,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:12:56,807 INFO L225 Difference]: With dead ends: 747 [2024-12-02 10:12:56,807 INFO L226 Difference]: Without dead ends: 459 [2024-12-02 10:12:56,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=83, Invalid=136, Unknown=3, NotChecked=84, Total=306 [2024-12-02 10:12:56,809 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 146 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 467 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:12:56,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 453 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 307 Invalid, 0 Unknown, 467 Unchecked, 3.8s Time] [2024-12-02 10:12:56,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-12-02 10:12:56,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 451. [2024-12-02 10:12:56,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 260 states have (on average 1.2038461538461538) internal successors, (313), 260 states have internal predecessors, (313), 168 states have call successors, (168), 22 states have call predecessors, (168), 22 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2024-12-02 10:12:56,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 649 transitions. [2024-12-02 10:12:56,863 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 649 transitions. Word has length 171 [2024-12-02 10:12:56,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:12:56,864 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 649 transitions. [2024-12-02 10:12:56,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 10:12:56,864 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 649 transitions. [2024-12-02 10:12:56,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 10:12:56,866 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:12:56,866 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:12:56,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 (8)] Ended with exit code 0 [2024-12-02 10:12:57,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:12:57,067 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:12:57,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:12:57,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1681608839, now seen corresponding path program 1 times [2024-12-02 10:12:57,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:12:57,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225402795] [2024-12-02 10:12:57,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:12:57,068 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 10:12:57,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:12:57,069 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:12:57,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 (9)] Waiting until timeout for monitored process [2024-12-02 10:12:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:12:57,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 10:12:57,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:13:13,878 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (let ((.cse4 (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (fp.geq ~var_1_26~0 .cse2))))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (fp.leq ~var_1_25~0 .cse3) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))))))) is different from true [2024-12-02 10:13:23,413 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2)))))))) is different from true [2024-12-02 10:13:29,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-12-02 10:13:29,281 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:13:29,281 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:13:29,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225402795] [2024-12-02 10:13:29,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225402795] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:13:29,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:13:29,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 10:13:29,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153294129] [2024-12-02 10:13:29,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:13:29,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 10:13:29,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:13:29,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 10:13:29,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=89, Unknown=2, NotChecked=42, Total=182 [2024-12-02 10:13:29,282 INFO L87 Difference]: Start difference. First operand 451 states and 649 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 10:14:39,581 WARN L286 SmtUtils]: Spent 41.35s on a formula simplification. DAG size of input: 110 DAG size of output: 235 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:14:44,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:14:48,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:14:52,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:15:55,305 WARN L286 SmtUtils]: Spent 32.03s on a formula simplification. DAG size of input: 102 DAG size of output: 212 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:15:58,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:16:02,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:16:06,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:16:10,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:16:14,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:16:18,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:16:22,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:16:25,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:16:25,119 INFO L93 Difference]: Finished difference Result 785 states and 1110 transitions. [2024-12-02 10:16:25,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 10:16:25,147 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) Word has length 171 [2024-12-02 10:16:25,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:16:25,151 INFO L225 Difference]: With dead ends: 785 [2024-12-02 10:16:25,151 INFO L226 Difference]: Without dead ends: 497 [2024-12-02 10:16:25,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 141.9s TimeCoverageRelationStatistics Valid=93, Invalid=174, Unknown=13, NotChecked=62, Total=342 [2024-12-02 10:16:25,153 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 140 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 58 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 234 IncrementalHoareTripleChecker+Unchecked, 44.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:16:25,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 199 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 234 Invalid, 9 Unknown, 234 Unchecked, 44.1s Time] [2024-12-02 10:16:25,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-12-02 10:16:25,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 481. [2024-12-02 10:16:25,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 282 states have (on average 1.1808510638297873) internal successors, (333), 282 states have internal predecessors, (333), 168 states have call successors, (168), 30 states have call predecessors, (168), 30 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2024-12-02 10:16:25,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 669 transitions. [2024-12-02 10:16:25,239 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 669 transitions. Word has length 171 [2024-12-02 10:16:25,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:16:25,239 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 669 transitions. [2024-12-02 10:16:25,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 10:16:25,240 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 669 transitions. [2024-12-02 10:16:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-02 10:16:25,242 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:16:25,242 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:25,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 (9)] Ended with exit code 0 [2024-12-02 10:16:25,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:16:25,442 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:16:25,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:16:25,443 INFO L85 PathProgramCache]: Analyzing trace with hash 691588410, now seen corresponding path program 1 times [2024-12-02 10:16:25,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:16:25,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031463106] [2024-12-02 10:16:25,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:16:25,443 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 10:16:25,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:16:25,445 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:16:25,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 (10)] Waiting until timeout for monitored process [2024-12-02 10:16:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:16:25,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 10:16:25,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:16:26,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 133 proven. 78 refuted. 0 times theorem prover too weak. 1301 trivial. 0 not checked. [2024-12-02 10:16:26,724 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:16:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 3 proven. 78 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-12-02 10:16:27,558 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:16:27,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031463106] [2024-12-02 10:16:27,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031463106] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:16:27,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 10:16:27,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-12-02 10:16:27,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664505321] [2024-12-02 10:16:27,558 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 10:16:27,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:16:27,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:16:27,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:16:27,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:16:27,560 INFO L87 Difference]: Start difference. First operand 481 states and 669 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-12-02 10:16:29,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:16:29,398 INFO L93 Difference]: Finished difference Result 1266 states and 1720 transitions. [2024-12-02 10:16:29,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 10:16:29,399 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 172 [2024-12-02 10:16:29,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:16:29,402 INFO L225 Difference]: With dead ends: 1266 [2024-12-02 10:16:29,402 INFO L226 Difference]: Without dead ends: 788 [2024-12-02 10:16:29,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 336 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-12-02 10:16:29,404 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 112 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:16:29,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 241 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 10:16:29,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2024-12-02 10:16:29,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 505. [2024-12-02 10:16:29,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 300 states have (on average 1.16) internal successors, (348), 300 states have internal predecessors, (348), 168 states have call successors, (168), 36 states have call predecessors, (168), 36 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2024-12-02 10:16:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 684 transitions. [2024-12-02 10:16:29,506 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 684 transitions. Word has length 172 [2024-12-02 10:16:29,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:16:29,506 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 684 transitions. [2024-12-02 10:16:29,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-12-02 10:16:29,507 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 684 transitions. [2024-12-02 10:16:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-02 10:16:29,508 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:16:29,509 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:29,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 (10)] Ended with exit code 0 [2024-12-02 10:16:29,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:16:29,709 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:16:29,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:16:29,710 INFO L85 PathProgramCache]: Analyzing trace with hash 748846712, now seen corresponding path program 1 times [2024-12-02 10:16:29,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:16:29,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80808631] [2024-12-02 10:16:29,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:16:29,710 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 10:16:29,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:16:29,712 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:16:29,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 (11)] Waiting until timeout for monitored process [2024-12-02 10:16:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:16:29,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 10:16:29,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:16:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 258 proven. 144 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2024-12-02 10:16:32,070 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:16:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-12-02 10:16:32,964 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:16:32,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80808631] [2024-12-02 10:16:32,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80808631] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:16:32,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 10:16:32,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-12-02 10:16:32,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107104795] [2024-12-02 10:16:32,964 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 10:16:32,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 10:16:32,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:16:32,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 10:16:32,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:16:32,966 INFO L87 Difference]: Start difference. First operand 505 states and 684 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 10:16:35,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:16:37,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:16:37,236 INFO L93 Difference]: Finished difference Result 1092 states and 1438 transitions. [2024-12-02 10:16:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 10:16:37,240 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 172 [2024-12-02 10:16:37,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:16:37,244 INFO L225 Difference]: With dead ends: 1092 [2024-12-02 10:16:37,244 INFO L226 Difference]: Without dead ends: 590 [2024-12-02 10:16:37,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 333 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2024-12-02 10:16:37,246 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 151 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:16:37,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 497 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-12-02 10:16:37,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-12-02 10:16:37,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 553. [2024-12-02 10:16:37,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 336 states have (on average 1.1160714285714286) internal successors, (375), 336 states have internal predecessors, (375), 168 states have call successors, (168), 48 states have call predecessors, (168), 48 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2024-12-02 10:16:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 711 transitions. [2024-12-02 10:16:37,346 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 711 transitions. Word has length 172 [2024-12-02 10:16:37,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:16:37,346 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 711 transitions. [2024-12-02 10:16:37,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 10:16:37,347 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 711 transitions. [2024-12-02 10:16:37,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-02 10:16:37,348 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:16:37,348 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:37,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 (11)] Ended with exit code 0 [2024-12-02 10:16:37,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:16:37,548 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:16:37,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:16:37,549 INFO L85 PathProgramCache]: Analyzing trace with hash -60499914, now seen corresponding path program 1 times [2024-12-02 10:16:37,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:16:37,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2134253746] [2024-12-02 10:16:37,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:16:37,549 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 10:16:37,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:16:37,551 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 10:16:37,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5ba741-b544-4a7d-8702-b0829b8ac783/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 (12)] Waiting until timeout for monitored process [2024-12-02 10:16:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:16:37,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 10:16:37,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:17:08,770 WARN L286 SmtUtils]: Spent 6.26s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:17:33,130 WARN L286 SmtUtils]: Spent 10.95s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:19:29,511 WARN L286 SmtUtils]: Spent 45.12s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:19:38,794 WARN L286 SmtUtils]: Spent 5.86s 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 10:20:05,076 WARN L286 SmtUtils]: Spent 5.17s 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 10:20:19,659 WARN L286 SmtUtils]: Spent 6.14s 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 10:21:38,200 WARN L286 SmtUtils]: Spent 51.59s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:22:09,059 WARN L286 SmtUtils]: Spent 5.20s 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 10:22:44,355 WARN L286 SmtUtils]: Spent 5.52s 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 10:24:21,356 WARN L286 SmtUtils]: Spent 1.07m on a formula simplification that was a NOOP. DAG size: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)