./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 7b717de627fe53ec561b9cf49e12e6cc849db2f0deb4cd9fc2a633f7b01ca897 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:53:55,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:53:55,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 08:53:55,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:53:55,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:53:55,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:53:55,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:53:55,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:53:55,201 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:53:55,202 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:53:55,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:53:55,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:53:55,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:53:55,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:53:55,202 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:53:55,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:53:55,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:53:55,203 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:53:55,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:53:55,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:53:55,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:53:55,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:53:55,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:53:55,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:53:55,203 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:53:55,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:53:55,203 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:53:55,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:53:55,204 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:53:55,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:53:55,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:53:55,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:53:55,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:53:55,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:53:55,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:53:55,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:53:55,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:53:55,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:53:55,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:53:55,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:53:55,205 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:53:55,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:53:55,205 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:53:55,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:53:55,205 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:53:55,205 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:53:55,205 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:53:55,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:53:55,205 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_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 -> 7b717de627fe53ec561b9cf49e12e6cc849db2f0deb4cd9fc2a633f7b01ca897 [2024-12-02 08:53:55,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:53:55,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:53:55,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:53:55,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:53:55,451 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:53:55,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i [2024-12-02 08:53:58,102 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/data/df7627639/b5963347710046ee91ecf385957b1ac1/FLAG867e89487 [2024-12-02 08:53:58,307 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:53:58,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i [2024-12-02 08:53:58,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/data/df7627639/b5963347710046ee91ecf385957b1ac1/FLAG867e89487 [2024-12-02 08:53:58,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/data/df7627639/b5963347710046ee91ecf385957b1ac1 [2024-12-02 08:53:58,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:53:58,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:53:58,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:53:58,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:53:58,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:53:58,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:58,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453406f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58, skipping insertion in model container [2024-12-02 08:53:58,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:58,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:53:58,821 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_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i[913,926] [2024-12-02 08:53:58,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:53:58,882 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:53:58,892 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_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i[913,926] [2024-12-02 08:53:58,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:53:58,930 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:53:58,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58 WrapperNode [2024-12-02 08:53:58,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:53:58,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:53:58,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:53:58,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:53:58,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:58,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:58,972 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2024-12-02 08:53:58,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:53:58,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:53:58,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:53:58,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:53:58,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:58,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:58,984 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:58,999 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 08:53:58,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:59,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:59,006 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:59,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:59,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:59,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:59,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:59,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:53:59,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:53:59,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:53:59,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:53:59,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (1/1) ... [2024-12-02 08:53:59,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:53:59,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:53:59,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:53:59,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:53:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:53:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:53:59,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:53:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:53:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:53:59,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:53:59,143 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:53:59,144 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:53:59,436 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-02 08:53:59,436 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:53:59,445 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:53:59,446 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:53:59,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:59 BoogieIcfgContainer [2024-12-02 08:53:59,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:53:59,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:53:59,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:53:59,452 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:53:59,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:53:58" (1/3) ... [2024-12-02 08:53:59,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79da074a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:53:59, skipping insertion in model container [2024-12-02 08:53:59,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:53:58" (2/3) ... [2024-12-02 08:53:59,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79da074a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:53:59, skipping insertion in model container [2024-12-02 08:53:59,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:59" (3/3) ... [2024-12-02 08:53:59,454 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-53.i [2024-12-02 08:53:59,465 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:53:59,466 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-53.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:53:59,508 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:53:59,518 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;@77c7c3ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:53:59,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:53:59,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 08:53:59,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 08:53:59,529 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:53:59,529 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:53:59,530 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:53:59,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:53:59,534 INFO L85 PathProgramCache]: Analyzing trace with hash 642238632, now seen corresponding path program 1 times [2024-12-02 08:53:59,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:53:59,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627713962] [2024-12-02 08:53:59,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:53:59,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:53:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:53:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 08:53:59,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:53:59,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627713962] [2024-12-02 08:53:59,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627713962] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:53:59,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671089197] [2024-12-02 08:53:59,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:53:59,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:53:59,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:53:59,772 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:53:59,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:53:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:53:59,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:53:59,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:53:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 08:53:59,932 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:53:59,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671089197] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:53:59,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:53:59,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 08:53:59,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677062245] [2024-12-02 08:53:59,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:53:59,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:53:59,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:53:59,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:53:59,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:53:59,958 INFO L87 Difference]: Start difference. First operand has 76 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:53:59,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:53:59,976 INFO L93 Difference]: Finished difference Result 145 states and 237 transitions. [2024-12-02 08:53:59,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:53:59,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 117 [2024-12-02 08:53:59,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:53:59,983 INFO L225 Difference]: With dead ends: 145 [2024-12-02 08:53:59,983 INFO L226 Difference]: Without dead ends: 72 [2024-12-02 08:53:59,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:53:59,987 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:53:59,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:53:59,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-12-02 08:54:00,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-12-02 08:54:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 53 states have internal predecessors, (72), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 08:54:00,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 106 transitions. [2024-12-02 08:54:00,016 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 106 transitions. Word has length 117 [2024-12-02 08:54:00,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:00,016 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 106 transitions. [2024-12-02 08:54:00,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:54:00,016 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2024-12-02 08:54:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 08:54:00,018 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:00,018 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:00,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:54:00,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 08:54:00,219 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:00,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:00,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1555853874, now seen corresponding path program 1 times [2024-12-02 08:54:00,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:54:00,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320208601] [2024-12-02 08:54:00,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:00,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:54:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 08:54:00,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:54:00,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320208601] [2024-12-02 08:54:00,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320208601] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:54:00,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:54:00,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:54:00,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553528666] [2024-12-02 08:54:00,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:54:00,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:54:00,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:54:00,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:54:00,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:54:00,398 INFO L87 Difference]: Start difference. First operand 72 states and 106 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:00,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:54:00,468 INFO L93 Difference]: Finished difference Result 201 states and 297 transitions. [2024-12-02 08:54:00,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:54:00,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 117 [2024-12-02 08:54:00,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:54:00,471 INFO L225 Difference]: With dead ends: 201 [2024-12-02 08:54:00,472 INFO L226 Difference]: Without dead ends: 132 [2024-12-02 08:54:00,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:54:00,473 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 83 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:54:00,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 254 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:54:00,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-12-02 08:54:00,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2024-12-02 08:54:00,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 93 states have internal predecessors, (122), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 08:54:00,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 190 transitions. [2024-12-02 08:54:00,496 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 190 transitions. Word has length 117 [2024-12-02 08:54:00,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:00,497 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 190 transitions. [2024-12-02 08:54:00,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:00,497 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 190 transitions. [2024-12-02 08:54:00,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 08:54:00,499 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:00,499 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:00,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:54:00,499 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:00,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:00,500 INFO L85 PathProgramCache]: Analyzing trace with hash 236594459, now seen corresponding path program 1 times [2024-12-02 08:54:00,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:54:00,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029781371] [2024-12-02 08:54:00,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:00,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:54:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 08:54:00,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:54:00,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029781371] [2024-12-02 08:54:00,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029781371] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:54:00,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:54:00,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:54:00,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900041388] [2024-12-02 08:54:00,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:54:00,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:54:00,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:54:00,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:54:00,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:54:00,733 INFO L87 Difference]: Start difference. First operand 130 states and 190 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:00,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:54:00,952 INFO L93 Difference]: Finished difference Result 437 states and 637 transitions. [2024-12-02 08:54:00,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:54:00,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 118 [2024-12-02 08:54:00,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:54:00,956 INFO L225 Difference]: With dead ends: 437 [2024-12-02 08:54:00,956 INFO L226 Difference]: Without dead ends: 310 [2024-12-02 08:54:00,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:54:00,958 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 122 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:54:00,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 304 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:54:00,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-12-02 08:54:00,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 292. [2024-12-02 08:54:00,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 219 states have (on average 1.3242009132420092) internal successors, (290), 219 states have internal predecessors, (290), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-12-02 08:54:00,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 426 transitions. [2024-12-02 08:54:00,991 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 426 transitions. Word has length 118 [2024-12-02 08:54:00,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:00,992 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 426 transitions. [2024-12-02 08:54:00,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:00,992 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 426 transitions. [2024-12-02 08:54:00,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 08:54:00,994 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:00,994 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:00,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:54:00,995 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:00,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:00,995 INFO L85 PathProgramCache]: Analyzing trace with hash -77863550, now seen corresponding path program 1 times [2024-12-02 08:54:00,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:54:00,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479090589] [2024-12-02 08:54:00,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:00,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:54:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 08:54:01,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:54:01,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479090589] [2024-12-02 08:54:01,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479090589] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:54:01,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:54:01,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:54:01,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124206826] [2024-12-02 08:54:01,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:54:01,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:54:01,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:54:01,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:54:01,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:54:01,164 INFO L87 Difference]: Start difference. First operand 292 states and 426 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:01,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:54:01,220 INFO L93 Difference]: Finished difference Result 737 states and 1082 transitions. [2024-12-02 08:54:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:54:01,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 119 [2024-12-02 08:54:01,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:54:01,225 INFO L225 Difference]: With dead ends: 737 [2024-12-02 08:54:01,225 INFO L226 Difference]: Without dead ends: 448 [2024-12-02 08:54:01,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 08:54:01,227 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 61 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:54:01,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 196 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:54:01,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-12-02 08:54:01,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 446. [2024-12-02 08:54:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 337 states have (on average 1.3204747774480712) internal successors, (445), 337 states have internal predecessors, (445), 102 states have call successors, (102), 6 states have call predecessors, (102), 6 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 08:54:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 649 transitions. [2024-12-02 08:54:01,267 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 649 transitions. Word has length 119 [2024-12-02 08:54:01,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:01,267 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 649 transitions. [2024-12-02 08:54:01,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:01,268 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 649 transitions. [2024-12-02 08:54:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 08:54:01,270 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:01,270 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:01,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:54:01,270 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:01,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:01,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1340161177, now seen corresponding path program 1 times [2024-12-02 08:54:01,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:54:01,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198315549] [2024-12-02 08:54:01,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:01,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:54:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 08:54:01,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:54:01,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198315549] [2024-12-02 08:54:01,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198315549] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:54:01,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:54:01,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:54:01,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371008524] [2024-12-02 08:54:01,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:54:01,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:54:01,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:54:01,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:54:01,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:54:01,360 INFO L87 Difference]: Start difference. First operand 446 states and 649 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:01,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:54:01,499 INFO L93 Difference]: Finished difference Result 1293 states and 1886 transitions. [2024-12-02 08:54:01,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:54:01,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 120 [2024-12-02 08:54:01,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:54:01,505 INFO L225 Difference]: With dead ends: 1293 [2024-12-02 08:54:01,505 INFO L226 Difference]: Without dead ends: 850 [2024-12-02 08:54:01,506 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 08:54:01,507 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 97 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:54:01,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 268 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:54:01,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-12-02 08:54:01,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 458. [2024-12-02 08:54:01,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 349 states have (on average 1.3094555873925502) internal successors, (457), 349 states have internal predecessors, (457), 102 states have call successors, (102), 6 states have call predecessors, (102), 6 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 08:54:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 661 transitions. [2024-12-02 08:54:01,567 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 661 transitions. Word has length 120 [2024-12-02 08:54:01,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:01,567 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 661 transitions. [2024-12-02 08:54:01,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 661 transitions. [2024-12-02 08:54:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 08:54:01,569 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:01,569 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:01,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:54:01,570 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:01,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:01,570 INFO L85 PathProgramCache]: Analyzing trace with hash 2041225755, now seen corresponding path program 1 times [2024-12-02 08:54:01,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:54:01,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344656171] [2024-12-02 08:54:01,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:01,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:54:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:01,913 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 08:54:01,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:54:01,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344656171] [2024-12-02 08:54:01,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344656171] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:54:01,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614378392] [2024-12-02 08:54:01,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:01,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:54:01,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:54:01,917 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:54:01,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:54:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:02,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 08:54:02,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:54:02,463 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 08:54:02,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:54:02,791 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 08:54:02,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614378392] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:54:02,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:54:02,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 9] total 20 [2024-12-02 08:54:02,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811009709] [2024-12-02 08:54:02,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:54:02,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-02 08:54:02,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:54:02,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-02 08:54:02,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-12-02 08:54:02,793 INFO L87 Difference]: Start difference. First operand 458 states and 661 transitions. Second operand has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 5 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2024-12-02 08:54:04,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:54:04,884 INFO L93 Difference]: Finished difference Result 1512 states and 2122 transitions. [2024-12-02 08:54:04,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-02 08:54:04,885 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 5 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) Word has length 120 [2024-12-02 08:54:04,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:54:04,889 INFO L225 Difference]: With dead ends: 1512 [2024-12-02 08:54:04,889 INFO L226 Difference]: Without dead ends: 1057 [2024-12-02 08:54:04,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 231 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 891 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=739, Invalid=2683, Unknown=0, NotChecked=0, Total=3422 [2024-12-02 08:54:04,892 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 853 mSDsluCounter, 1636 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 2017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:54:04,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 1873 Invalid, 2017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 08:54:04,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-12-02 08:54:04,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 470. [2024-12-02 08:54:04,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 355 states have (on average 1.287323943661972) internal successors, (457), 355 states have internal predecessors, (457), 102 states have call successors, (102), 12 states have call predecessors, (102), 12 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 08:54:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 661 transitions. [2024-12-02 08:54:04,937 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 661 transitions. Word has length 120 [2024-12-02 08:54:04,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:04,938 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 661 transitions. [2024-12-02 08:54:04,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 5 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2024-12-02 08:54:04,938 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 661 transitions. [2024-12-02 08:54:04,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 08:54:04,939 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:04,939 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:04,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:54:05,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-02 08:54:05,140 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:05,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:05,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1441523144, now seen corresponding path program 1 times [2024-12-02 08:54:05,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:54:05,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721863243] [2024-12-02 08:54:05,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:05,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:54:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:05,272 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 08:54:05,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:54:05,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721863243] [2024-12-02 08:54:05,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721863243] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:54:05,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:54:05,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:54:05,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258500402] [2024-12-02 08:54:05,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:54:05,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:54:05,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:54:05,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:54:05,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:54:05,273 INFO L87 Difference]: Start difference. First operand 470 states and 661 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:05,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:54:05,354 INFO L93 Difference]: Finished difference Result 472 states and 662 transitions. [2024-12-02 08:54:05,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:54:05,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 120 [2024-12-02 08:54:05,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:54:05,356 INFO L225 Difference]: With dead ends: 472 [2024-12-02 08:54:05,356 INFO L226 Difference]: Without dead ends: 167 [2024-12-02 08:54:05,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:54:05,357 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 114 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:54:05,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 92 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:54:05,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-12-02 08:54:05,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-12-02 08:54:05,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 128 states have (on average 1.25) internal successors, (160), 128 states have internal predecessors, (160), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 08:54:05,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 228 transitions. [2024-12-02 08:54:05,371 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 228 transitions. Word has length 120 [2024-12-02 08:54:05,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:05,371 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 228 transitions. [2024-12-02 08:54:05,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 228 transitions. [2024-12-02 08:54:05,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 08:54:05,372 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:05,372 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:05,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:54:05,372 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:05,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:05,373 INFO L85 PathProgramCache]: Analyzing trace with hash 2140055444, now seen corresponding path program 1 times [2024-12-02 08:54:05,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:54:05,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179467578] [2024-12-02 08:54:05,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:05,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:54:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 08:54:05,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [77460914] [2024-12-02 08:54:05,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:05,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:54:05,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:54:05,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:54:05,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 08:54:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:54:05,549 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:54:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:54:05,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 08:54:05,673 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 08:54:05,674 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:54:05,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 08:54:05,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:54:05,879 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:54:05,953 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:54:05,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:54:05 BoogieIcfgContainer [2024-12-02 08:54:05,956 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:54:05,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:54:05,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:54:05,957 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:54:05,957 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:53:59" (3/4) ... [2024-12-02 08:54:05,960 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 08:54:05,961 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:54:05,961 INFO L158 Benchmark]: Toolchain (without parser) took 7289.35ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 117.1MB in the beginning and 286.2MB in the end (delta: -169.1MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-12-02 08:54:05,962 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:54:05,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.05ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 102.9MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:54:05,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.13ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 99.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:54:05,962 INFO L158 Benchmark]: Boogie Preprocessor took 43.92ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 96.3MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:54:05,963 INFO L158 Benchmark]: RCFGBuilder took 428.78ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 73.6MB in the end (delta: 22.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 08:54:05,963 INFO L158 Benchmark]: TraceAbstraction took 6508.12ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 73.0MB in the beginning and 286.3MB in the end (delta: -213.2MB). Peak memory consumption was 144.0MB. Max. memory is 16.1GB. [2024-12-02 08:54:05,963 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 318.8MB. Free memory was 286.3MB in the beginning and 286.2MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:54:05,965 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.05ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 102.9MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.13ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 99.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.92ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 96.3MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 428.78ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 73.6MB in the end (delta: 22.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6508.12ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 73.0MB in the beginning and 286.3MB in the end (delta: -213.2MB). Peak memory consumption was 144.0MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 318.8MB. Free memory was 286.3MB in the beginning and 286.2MB in the end (delta: 44.0kB). 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 shiftLeft at line 55, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryArithmeticFLOAToperation at line 61, overapproximation of someUnaryFLOAToperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_8 = 0; [L24] unsigned long int var_1_9 = 10; [L25] float var_1_10 = 99.5; [L26] float var_1_11 = 5.6; [L27] float var_1_12 = 255.5; [L28] float var_1_13 = 31.25; [L29] signed short int var_1_14 = 32; [L30] unsigned long int var_1_15 = 16; [L31] unsigned char var_1_16 = 1; [L32] unsigned char var_1_17 = 5; [L33] unsigned char var_1_18 = 50; [L34] unsigned char var_1_19 = 50; [L35] signed char var_1_20 = 1; [L36] signed char var_1_21 = -10; [L37] float var_1_22 = 0.5; [L38] signed char var_1_23 = 100; [L39] unsigned char last_1_var_1_1 = 0; [L40] unsigned long int last_1_var_1_9 = 10; [L41] signed short int last_1_var_1_14 = 32; [L42] unsigned char last_1_var_1_16 = 1; [L43] signed char last_1_var_1_20 = 1; VAL [isInitial=0, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=0, var_1_9=10] [L129] isInitial = 1 [L130] FCALL initially() [L132] CALL updateLastVariables() [L118] last_1_var_1_1 = var_1_1 [L119] last_1_var_1_9 = var_1_9 [L120] last_1_var_1_14 = var_1_14 [L121] last_1_var_1_16 = var_1_16 [L122] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=0, var_1_9=10] [L132] RET updateLastVariables() [L133] CALL updateVariables() [L90] var_1_8 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L91] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L92] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L92] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L93] var_1_11 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L94] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L95] var_1_12 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L96] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L97] var_1_13 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L98] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L99] var_1_15 = __VERIFIER_nondet_ulong() [L100] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L100] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L101] CALL assume_abort_if_not(var_1_15 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L101] RET assume_abort_if_not(var_1_15 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L102] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L102] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L103] var_1_17 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L104] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L105] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L105] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L106] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L106] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L107] var_1_18 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L108] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L109] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L109] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L110] var_1_19 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L111] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L112] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L112] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L113] var_1_21 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L114] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L115] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L115] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L133] RET updateVariables() [L134] CALL step() [L47] unsigned char stepLocal_1 = last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16); [L48] signed long int stepLocal_0 = last_1_var_1_20 * last_1_var_1_20; VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_0=1, stepLocal_1=1, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L49] COND FALSE !(stepLocal_0 == last_1_var_1_14) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L54] unsigned long int stepLocal_6 = ((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17; VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_6=1, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L55] EXPR 256u << last_1_var_1_16 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_6=1, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L55] COND TRUE stepLocal_6 <= (256u << last_1_var_1_16) [L56] var_1_16 = ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L58] unsigned char stepLocal_5 = var_1_16 != var_1_16; [L59] unsigned char stepLocal_4 = var_1_8; VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_4=1, stepLocal_5=0, var_1_10=199/2, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L60] COND TRUE (! var_1_1) || stepLocal_4 [L61] var_1_10 = (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_13=0, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L69] var_1_20 = var_1_21 [L70] var_1_22 = var_1_12 [L71] var_1_23 = var_1_21 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L72] COND FALSE !(\read(var_1_1)) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L75] EXPR (var_1_16 / var_1_15) & var_1_16 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=32, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L75] COND TRUE ((var_1_16 / var_1_15) & var_1_16) >= var_1_20 [L76] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L81] unsigned char stepLocal_3 = var_1_20 != var_1_14; [L82] signed long int stepLocal_2 = (((var_1_16) < (0)) ? (var_1_16) : (0)); VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_2=0, stepLocal_3=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L83] COND TRUE (var_1_1 || (var_1_16 <= var_1_14)) || stepLocal_3 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_2=0, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L84] COND FALSE !(stepLocal_2 <= (-5 + var_1_16)) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L134] RET step() [L135] CALL, EXPR property() [L125] EXPR (((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128)))) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L125] EXPR ((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L125-L126] return (((((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1)) && (var_1_20 == ((signed char) var_1_21))) && (var_1_22 == ((float) var_1_12))) && (var_1_23 == ((signed char) var_1_21)) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=1, var_1_17=6, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 8, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1332 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1330 mSDsluCounter, 3093 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2079 mSDsCounter, 586 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1684 IncrementalHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 586 mSolverCounterUnsat, 1014 mSDtfsCounter, 1684 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 433 GetRequests, 365 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 891 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred in iteration=6, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 1001 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1310 NumberOfCodeBlocks, 1310 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1178 ConstructedInterpolants, 0 QuantifiedInterpolants, 1923 SizeOfPredicates, 5 NumberOfNonLiveVariables, 601 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 5399/5440 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 08:54:05,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 7b717de627fe53ec561b9cf49e12e6cc849db2f0deb4cd9fc2a633f7b01ca897 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:54:07,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:54:08,013 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 08:54:08,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:54:08,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:54:08,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:54:08,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:54:08,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:54:08,044 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:54:08,044 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:54:08,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:54:08,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:54:08,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:54:08,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:54:08,044 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:54:08,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:54:08,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:54:08,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:54:08,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:54:08,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:54:08,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:54:08,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:54:08,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:54:08,045 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 08:54:08,046 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 08:54:08,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 08:54:08,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:54:08,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:54:08,046 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:54:08,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:54:08,046 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:54:08,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:54:08,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:54:08,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:54:08,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:54:08,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:54:08,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:54:08,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:54:08,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:54:08,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:54:08,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:54:08,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:54:08,047 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:54:08,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:54:08,047 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 08:54:08,047 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 08:54:08,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:54:08,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:54:08,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:54:08,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:54:08,048 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_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 -> 7b717de627fe53ec561b9cf49e12e6cc849db2f0deb4cd9fc2a633f7b01ca897 [2024-12-02 08:54:08,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:54:08,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:54:08,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:54:08,280 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:54:08,281 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:54:08,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i [2024-12-02 08:54:10,868 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/data/a59e1e819/71f8fb72a65a43c2b51029a196c3ed34/FLAGeb5554f43 [2024-12-02 08:54:11,081 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:54:11,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i [2024-12-02 08:54:11,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/data/a59e1e819/71f8fb72a65a43c2b51029a196c3ed34/FLAGeb5554f43 [2024-12-02 08:54:11,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/data/a59e1e819/71f8fb72a65a43c2b51029a196c3ed34 [2024-12-02 08:54:11,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:54:11,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:54:11,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:54:11,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:54:11,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:54:11,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3180bb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11, skipping insertion in model container [2024-12-02 08:54:11,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:54:11,598 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_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i[913,926] [2024-12-02 08:54:11,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:54:11,656 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:54:11,664 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_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i[913,926] [2024-12-02 08:54:11,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:54:11,696 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:54:11,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11 WrapperNode [2024-12-02 08:54:11,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:54:11,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:54:11,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:54:11,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:54:11,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,729 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2024-12-02 08:54:11,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:54:11,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:54:11,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:54:11,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:54:11,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,754 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 08:54:11,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,762 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:54:11,773 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:54:11,773 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:54:11,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:54:11,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (1/1) ... [2024-12-02 08:54:11,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:54:11,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:54:11,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:54:11,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:54:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:54:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 08:54:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:54:11,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:54:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:54:11,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:54:11,922 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:54:11,925 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:54:12,525 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-02 08:54:12,525 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:54:12,534 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:54:12,534 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:54:12,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:54:12 BoogieIcfgContainer [2024-12-02 08:54:12,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:54:12,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:54:12,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:54:12,540 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:54:12,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:54:11" (1/3) ... [2024-12-02 08:54:12,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58181025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:54:12, skipping insertion in model container [2024-12-02 08:54:12,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:11" (2/3) ... [2024-12-02 08:54:12,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58181025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:54:12, skipping insertion in model container [2024-12-02 08:54:12,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:54:12" (3/3) ... [2024-12-02 08:54:12,543 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-53.i [2024-12-02 08:54:12,557 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:54:12,559 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-53.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:54:12,604 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:54:12,613 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;@69c61c4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:54:12,613 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:54:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 08:54:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 08:54:12,624 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:12,624 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:12,625 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:12,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:12,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1319720570, now seen corresponding path program 1 times [2024-12-02 08:54:12,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:54:12,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774421369] [2024-12-02 08:54:12,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:12,638 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 08:54:12,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:54:12,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:12,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:12,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:54:12,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:54:12,967 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-12-02 08:54:12,967 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:54:12,967 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:54:12,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774421369] [2024-12-02 08:54:12,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774421369] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:54:12,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:54:12,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:54:12,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980333077] [2024-12-02 08:54:12,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:54:12,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:54:12,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:54:12,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:54:12,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:54:12,992 INFO L87 Difference]: Start difference. First operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:54:13,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:54:13,014 INFO L93 Difference]: Finished difference Result 109 states and 183 transitions. [2024-12-02 08:54:13,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:54:13,016 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 112 [2024-12-02 08:54:13,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:54:13,022 INFO L225 Difference]: With dead ends: 109 [2024-12-02 08:54:13,022 INFO L226 Difference]: Without dead ends: 54 [2024-12-02 08:54:13,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:54:13,028 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:54:13,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:54:13,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-12-02 08:54:13,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-12-02 08:54:13,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 08:54:13,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions. [2024-12-02 08:54:13,063 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 112 [2024-12-02 08:54:13,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:13,064 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions. [2024-12-02 08:54:13,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:54:13,064 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-12-02 08:54:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 08:54:13,066 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:13,067 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:13,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-12-02 08:54:13,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:13,267 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:13,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:13,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1931518288, now seen corresponding path program 1 times [2024-12-02 08:54:13,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:54:13,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696564701] [2024-12-02 08:54:13,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:13,269 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 08:54:13,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:54:13,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:13,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 08:54:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:13,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:54:13,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:54:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 08:54:13,571 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:54:13,571 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:54:13,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696564701] [2024-12-02 08:54:13,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696564701] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:54:13,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:54:13,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:54:13,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624218739] [2024-12-02 08:54:13,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:54:13,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:54:13,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:54:13,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:54:13,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:54:13,575 INFO L87 Difference]: Start difference. First operand 54 states and 79 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:14,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:54:14,016 INFO L93 Difference]: Finished difference Result 154 states and 227 transitions. [2024-12-02 08:54:14,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:54:14,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 112 [2024-12-02 08:54:14,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:54:14,018 INFO L225 Difference]: With dead ends: 154 [2024-12-02 08:54:14,018 INFO L226 Difference]: Without dead ends: 103 [2024-12-02 08:54:14,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 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 08:54:14,019 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 68 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:54:14,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 200 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:54:14,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-12-02 08:54:14,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2024-12-02 08:54:14,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 64 states have (on average 1.25) internal successors, (80), 64 states have internal predecessors, (80), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 08:54:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 148 transitions. [2024-12-02 08:54:14,033 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 148 transitions. Word has length 112 [2024-12-02 08:54:14,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:14,034 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 148 transitions. [2024-12-02 08:54:14,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 148 transitions. [2024-12-02 08:54:14,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 08:54:14,035 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:14,035 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:14,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 08:54:14,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:14,235 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:14,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:14,236 INFO L85 PathProgramCache]: Analyzing trace with hash 16914940, now seen corresponding path program 1 times [2024-12-02 08:54:14,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:54:14,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425692506] [2024-12-02 08:54:14,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:14,237 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 08:54:14,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:54:14,238 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:14,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:14,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:54:14,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:54:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 08:54:14,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:54:14,794 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:54:14,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425692506] [2024-12-02 08:54:14,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425692506] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:54:14,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:54:14,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:54:14,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390745997] [2024-12-02 08:54:14,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:54:14,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:54:14,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:54:14,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:54:14,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:54:14,796 INFO L87 Difference]: Start difference. First operand 101 states and 148 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:15,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:54:15,200 INFO L93 Difference]: Finished difference Result 207 states and 303 transitions. [2024-12-02 08:54:15,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:54:15,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113 [2024-12-02 08:54:15,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:54:15,203 INFO L225 Difference]: With dead ends: 207 [2024-12-02 08:54:15,203 INFO L226 Difference]: Without dead ends: 109 [2024-12-02 08:54:15,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 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 08:54:15,204 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 17 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:54:15,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 138 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:54:15,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-12-02 08:54:15,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2024-12-02 08:54:15,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 70 states have internal predecessors, (87), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 08:54:15,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2024-12-02 08:54:15,224 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 113 [2024-12-02 08:54:15,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:15,225 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2024-12-02 08:54:15,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:15,225 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2024-12-02 08:54:15,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 08:54:15,226 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:15,227 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:15,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:15,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:15,427 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:15,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:15,428 INFO L85 PathProgramCache]: Analyzing trace with hash -128748962, now seen corresponding path program 1 times [2024-12-02 08:54:15,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:54:15,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121827253] [2024-12-02 08:54:15,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:15,428 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 08:54:15,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:54:15,430 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:15,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 08:54:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:15,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:54:15,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:54:15,654 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 08:54:15,654 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:54:15,654 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:54:15,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121827253] [2024-12-02 08:54:15,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2121827253] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:54:15,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:54:15,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:54:15,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208167762] [2024-12-02 08:54:15,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:54:15,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:54:15,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:54:15,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:54:15,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:54:15,656 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:16,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:54:16,187 INFO L93 Difference]: Finished difference Result 270 states and 392 transitions. [2024-12-02 08:54:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:54:16,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113 [2024-12-02 08:54:16,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:54:16,189 INFO L225 Difference]: With dead ends: 270 [2024-12-02 08:54:16,190 INFO L226 Difference]: Without dead ends: 166 [2024-12-02 08:54:16,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 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 08:54:16,191 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 70 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:54:16,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 208 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 08:54:16,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-12-02 08:54:16,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 109. [2024-12-02 08:54:16,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 72 states have internal predecessors, (89), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 08:54:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2024-12-02 08:54:16,210 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 113 [2024-12-02 08:54:16,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:16,211 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2024-12-02 08:54:16,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 08:54:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2024-12-02 08:54:16,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 08:54:16,213 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:16,213 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:16,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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)] Ended with exit code 0 [2024-12-02 08:54:16,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:16,414 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:16,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:16,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1646258400, now seen corresponding path program 1 times [2024-12-02 08:54:16,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:54:16,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571174496] [2024-12-02 08:54:16,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:16,415 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 08:54:16,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:54:16,416 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:16,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:16,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 08:54:16,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:54:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 08:54:16,801 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:54:17,146 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 08:54:17,146 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:54:17,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571174496] [2024-12-02 08:54:17,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [571174496] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:54:17,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 08:54:17,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2024-12-02 08:54:17,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950987097] [2024-12-02 08:54:17,147 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 08:54:17,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 08:54:17,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:54:17,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 08:54:17,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:54:17,148 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 08:54:19,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:54:19,100 INFO L93 Difference]: Finished difference Result 342 states and 481 transitions. [2024-12-02 08:54:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 08:54:19,101 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 113 [2024-12-02 08:54:19,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:54:19,103 INFO L225 Difference]: With dead ends: 342 [2024-12-02 08:54:19,103 INFO L226 Difference]: Without dead ends: 236 [2024-12-02 08:54:19,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=268, Invalid=724, Unknown=0, NotChecked=0, Total=992 [2024-12-02 08:54:19,105 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 258 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:54:19,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 494 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 08:54:19,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-12-02 08:54:19,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 115. [2024-12-02 08:54:19,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.2105263157894737) internal successors, (92), 76 states have internal predecessors, (92), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 08:54:19,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 160 transitions. [2024-12-02 08:54:19,132 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 160 transitions. Word has length 113 [2024-12-02 08:54:19,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:19,133 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 160 transitions. [2024-12-02 08:54:19,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 08:54:19,133 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 160 transitions. [2024-12-02 08:54:19,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 08:54:19,135 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:19,135 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:19,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:19,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:19,336 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:19,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:19,336 INFO L85 PathProgramCache]: Analyzing trace with hash 68189198, now seen corresponding path program 1 times [2024-12-02 08:54:19,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:54:19,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050188380] [2024-12-02 08:54:19,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:19,337 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 08:54:19,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:54:19,338 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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 08:54:19,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc0cfd-8dc7-4ea1-98f6-9f9919963152/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)] Waiting until timeout for monitored process [2024-12-02 08:54:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:19,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 08:54:19,530 INFO L279 TraceCheckSpWp]: Computing forward predicates...