./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.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_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB --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 63d28592561f54f4f96e786181b959744072197846b5c63dc5da76e6f0017f40 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:57:52,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:57:53,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:57:53,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:57:53,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:57:53,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:57:53,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:57:53,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:57:53,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:57:53,109 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:57:53,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:57:53,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:57:53,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:57:53,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:57:53,110 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:57:53,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:57:53,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:57:53,111 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:57:53,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:57:53,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:57:53,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:57:53,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:57:53,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:57:53,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:57:53,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:57:53,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:57:53,112 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:57:53,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:57:53,112 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:57:53,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:53,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:57:53,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:53,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:53,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:57:53,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:53,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:57:53,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:53,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:53,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:57:53,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:57:53,113 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:57:53,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:57:53,113 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:57:53,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:57:53,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:57:53,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:57:53,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:57:53,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:57:53,116 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_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 63d28592561f54f4f96e786181b959744072197846b5c63dc5da76e6f0017f40 [2024-11-28 02:57:53,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:57:53,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:57:53,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:57:53,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:57:53,435 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:57:53,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i [2024-11-28 02:57:56,430 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/data/85ce89d3b/8bec85f25df847d1aa843bcd38ceaeca/FLAGdad6a7732 [2024-11-28 02:57:56,758 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:57:56,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i [2024-11-28 02:57:56,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/data/85ce89d3b/8bec85f25df847d1aa843bcd38ceaeca/FLAGdad6a7732 [2024-11-28 02:57:56,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/data/85ce89d3b/8bec85f25df847d1aa843bcd38ceaeca [2024-11-28 02:57:56,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:57:56,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:57:56,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:56,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:57:56,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:57:56,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:56" (1/1) ... [2024-11-28 02:57:56,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e848c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:56, skipping insertion in model container [2024-11-28 02:57:56,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:56" (1/1) ... [2024-11-28 02:57:56,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:57:57,013 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_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i[919,932] [2024-11-28 02:57:57,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:57,126 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:57:57,140 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_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i[919,932] [2024-11-28 02:57:57,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:57,196 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:57:57,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57 WrapperNode [2024-11-28 02:57:57,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:57,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:57,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:57:57,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:57:57,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,259 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 203 [2024-11-28 02:57:57,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:57,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:57:57,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:57:57,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:57:57,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,283 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,305 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]. [2024-11-28 02:57:57,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,326 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:57:57,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:57:57,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:57:57,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:57:57,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:57,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:57,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:57:57,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:57:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:57:57,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:57:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:57:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:57:57,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:57:57,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:57:57,502 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:57:57,504 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:57:57,993 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 02:57:57,994 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:57:58,005 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:57:58,005 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:57:58,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:58 BoogieIcfgContainer [2024-11-28 02:57:58,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:57:58,008 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:57:58,008 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:57:58,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:57:58,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:57:56" (1/3) ... [2024-11-28 02:57:58,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213b03f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:58, skipping insertion in model container [2024-11-28 02:57:58,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57" (2/3) ... [2024-11-28 02:57:58,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213b03f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:58, skipping insertion in model container [2024-11-28 02:57:58,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:58" (3/3) ... [2024-11-28 02:57:58,016 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i [2024-11-28 02:57:58,032 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:57:58,034 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i that has 2 procedures, 87 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:57:58,128 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:57:58,139 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;@d36382c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:57:58,139 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:57:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 59 states have (on average 1.4576271186440677) internal successors, (86), 60 states have internal predecessors, (86), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 02:57:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:57:58,155 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:58,156 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:58,156 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:58,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:58,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1942846472, now seen corresponding path program 1 times [2024-11-28 02:57:58,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:58,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210602901] [2024-11-28 02:57:58,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:58,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-28 02:57:58,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:58,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210602901] [2024-11-28 02:57:58,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210602901] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:57:58,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325029512] [2024-11-28 02:57:58,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:58,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:57:58,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:58,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:57:58,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:57:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:58,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:57:58,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:57:58,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-28 02:57:58,880 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:57:58,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325029512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:58,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:57:58,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:57:58,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112824169] [2024-11-28 02:57:58,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:58,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:57:58,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:58,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:57:58,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:57:58,915 INFO L87 Difference]: Start difference. First operand has 87 states, 59 states have (on average 1.4576271186440677) internal successors, (86), 60 states have internal predecessors, (86), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 02:57:58,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:58,954 INFO L93 Difference]: Finished difference Result 166 states and 290 transitions. [2024-11-28 02:57:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:57:58,956 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 165 [2024-11-28 02:57:58,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:57:58,962 INFO L225 Difference]: With dead ends: 166 [2024-11-28 02:57:58,962 INFO L226 Difference]: Without dead ends: 82 [2024-11-28 02:57:58,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:57:58,972 INFO L435 NwaCegarLoop]: 124 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, 124 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 [2024-11-28 02:57:58,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:57:58,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-28 02:57:59,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-28 02:57:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 55 states have internal predecessors, (74), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 02:57:59,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 124 transitions. [2024-11-28 02:57:59,030 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 124 transitions. Word has length 165 [2024-11-28 02:57:59,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:57:59,031 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 124 transitions. [2024-11-28 02:57:59,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 02:57:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2024-11-28 02:57:59,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:57:59,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:57:59,035 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:59,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:57:59,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:57:59,239 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:57:59,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:59,240 INFO L85 PathProgramCache]: Analyzing trace with hash 675770612, now seen corresponding path program 1 times [2024-11-28 02:57:59,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:59,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119554371] [2024-11-28 02:57:59,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:59,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 02:58:00,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:00,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119554371] [2024-11-28 02:58:00,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119554371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:00,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:00,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:58:00,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958309364] [2024-11-28 02:58:00,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:00,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:58:00,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:00,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:58:00,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:58:00,279 INFO L87 Difference]: Start difference. First operand 82 states and 124 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 02:58:00,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:00,432 INFO L93 Difference]: Finished difference Result 237 states and 351 transitions. [2024-11-28 02:58:00,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:58:00,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2024-11-28 02:58:00,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:00,443 INFO L225 Difference]: With dead ends: 237 [2024-11-28 02:58:00,445 INFO L226 Difference]: Without dead ends: 158 [2024-11-28 02:58:00,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:58:00,447 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 125 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:58:00,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 300 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:58:00,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-28 02:58:00,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 124. [2024-11-28 02:58:00,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 93 states have (on average 1.3978494623655915) internal successors, (130), 94 states have internal predecessors, (130), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 02:58:00,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 186 transitions. [2024-11-28 02:58:00,492 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 186 transitions. Word has length 165 [2024-11-28 02:58:00,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:00,495 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 186 transitions. [2024-11-28 02:58:00,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 02:58:00,495 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 186 transitions. [2024-11-28 02:58:00,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:58:00,499 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:00,499 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:00,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:58:00,499 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:58:00,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:00,500 INFO L85 PathProgramCache]: Analyzing trace with hash -25293966, now seen corresponding path program 1 times [2024-11-28 02:58:00,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:00,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651091398] [2024-11-28 02:58:00,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:00,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 02:58:01,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:01,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651091398] [2024-11-28 02:58:01,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651091398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:01,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:01,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:58:01,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147557993] [2024-11-28 02:58:01,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:01,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:58:01,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:01,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:58:01,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:58:01,588 INFO L87 Difference]: Start difference. First operand 124 states and 186 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 02:58:01,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:01,788 INFO L93 Difference]: Finished difference Result 364 states and 548 transitions. [2024-11-28 02:58:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:58:01,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2024-11-28 02:58:01,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:01,796 INFO L225 Difference]: With dead ends: 364 [2024-11-28 02:58:01,796 INFO L226 Difference]: Without dead ends: 243 [2024-11-28 02:58:01,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:58:01,801 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 68 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:58:01,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 303 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:58:01,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-28 02:58:01,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 241. [2024-11-28 02:58:01,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 180 states have (on average 1.3777777777777778) internal successors, (248), 182 states have internal predecessors, (248), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 02:58:01,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 360 transitions. [2024-11-28 02:58:01,866 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 360 transitions. Word has length 165 [2024-11-28 02:58:01,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:01,867 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 360 transitions. [2024-11-28 02:58:01,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 02:58:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 360 transitions. [2024-11-28 02:58:01,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:58:01,875 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:01,875 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:01,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:58:01,876 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:58:01,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:01,876 INFO L85 PathProgramCache]: Analyzing trace with hash -23446924, now seen corresponding path program 1 times [2024-11-28 02:58:01,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:01,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69613240] [2024-11-28 02:58:01,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:01,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 02:58:02,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:02,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69613240] [2024-11-28 02:58:02,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69613240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:02,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:02,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:58:02,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748705237] [2024-11-28 02:58:02,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:02,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:58:02,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:02,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:58:02,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:58:02,307 INFO L87 Difference]: Start difference. First operand 241 states and 360 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 02:58:02,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:02,420 INFO L93 Difference]: Finished difference Result 543 states and 800 transitions. [2024-11-28 02:58:02,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:58:02,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2024-11-28 02:58:02,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:02,424 INFO L225 Difference]: With dead ends: 543 [2024-11-28 02:58:02,424 INFO L226 Difference]: Without dead ends: 305 [2024-11-28 02:58:02,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:58:02,426 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 107 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:58:02,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 310 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:58:02,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-28 02:58:02,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 243. [2024-11-28 02:58:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 182 states have (on average 1.3736263736263736) internal successors, (250), 184 states have internal predecessors, (250), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 02:58:02,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 362 transitions. [2024-11-28 02:58:02,466 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 362 transitions. Word has length 165 [2024-11-28 02:58:02,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:02,467 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 362 transitions. [2024-11-28 02:58:02,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 02:58:02,467 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 362 transitions. [2024-11-28 02:58:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:58:02,469 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:02,469 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:02,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:58:02,470 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:58:02,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:02,470 INFO L85 PathProgramCache]: Analyzing trace with hash 935783092, now seen corresponding path program 1 times [2024-11-28 02:58:02,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:02,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011228221] [2024-11-28 02:58:02,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:02,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 33 proven. 39 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-28 02:58:04,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:04,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011228221] [2024-11-28 02:58:04,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011228221] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:58:04,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535293637] [2024-11-28 02:58:04,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:04,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:58:04,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:04,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:58:04,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:58:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:05,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 02:58:05,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 633 proven. 72 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-28 02:58:07,318 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:58:08,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 66 proven. 75 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2024-11-28 02:58:08,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535293637] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:58:08,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:58:08,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 13] total 29 [2024-11-28 02:58:08,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497131629] [2024-11-28 02:58:08,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:58:08,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-28 02:58:08,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:08,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-28 02:58:08,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=658, Unknown=0, NotChecked=0, Total=812 [2024-11-28 02:58:08,782 INFO L87 Difference]: Start difference. First operand 243 states and 362 transitions. Second operand has 29 states, 28 states have (on average 4.392857142857143) internal successors, (123), 27 states have internal predecessors, (123), 8 states have call successors, (75), 4 states have call predecessors, (75), 8 states have return successors, (75), 8 states have call predecessors, (75), 8 states have call successors, (75) [2024-11-28 02:58:15,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:58:26,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:58:30,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:58:34,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:58:43,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:43,503 INFO L93 Difference]: Finished difference Result 1330 states and 1897 transitions. [2024-11-28 02:58:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-11-28 02:58:43,504 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 4.392857142857143) internal successors, (123), 27 states have internal predecessors, (123), 8 states have call successors, (75), 4 states have call predecessors, (75), 8 states have return successors, (75), 8 states have call predecessors, (75), 8 states have call successors, (75) Word has length 165 [2024-11-28 02:58:43,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:43,513 INFO L225 Difference]: With dead ends: 1330 [2024-11-28 02:58:43,516 INFO L226 Difference]: Without dead ends: 1070 [2024-11-28 02:58:43,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4409 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=2343, Invalid=10313, Unknown=0, NotChecked=0, Total=12656 [2024-11-28 02:58:43,522 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 1465 mSDsluCounter, 1653 mSDsCounter, 0 mSdLazyCounter, 3296 mSolverCounterSat, 798 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 1850 SdHoareTripleChecker+Invalid, 4097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 798 IncrementalHoareTripleChecker+Valid, 3296 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:58:43,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1466 Valid, 1850 Invalid, 4097 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [798 Valid, 3296 Invalid, 3 Unknown, 0 Unchecked, 20.5s Time] [2024-11-28 02:58:43,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2024-11-28 02:58:43,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 622. [2024-11-28 02:58:43,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 444 states have (on average 1.295045045045045) internal successors, (575), 449 states have internal predecessors, (575), 155 states have call successors, (155), 22 states have call predecessors, (155), 22 states have return successors, (155), 150 states have call predecessors, (155), 155 states have call successors, (155) [2024-11-28 02:58:43,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 885 transitions. [2024-11-28 02:58:43,741 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 885 transitions. Word has length 165 [2024-11-28 02:58:43,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:43,744 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 885 transitions. [2024-11-28 02:58:43,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 4.392857142857143) internal successors, (123), 27 states have internal predecessors, (123), 8 states have call successors, (75), 4 states have call predecessors, (75), 8 states have return successors, (75), 8 states have call predecessors, (75), 8 states have call successors, (75) [2024-11-28 02:58:43,745 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 885 transitions. [2024-11-28 02:58:43,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:58:43,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:43,751 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:43,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:43,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:58:43,952 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:58:43,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:43,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1419894474, now seen corresponding path program 1 times [2024-11-28 02:58:43,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:43,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425194161] [2024-11-28 02:58:43,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:43,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:44,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-28 02:58:44,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:44,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425194161] [2024-11-28 02:58:44,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425194161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:58:44,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457507386] [2024-11-28 02:58:44,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:44,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:58:44,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:44,278 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:58:44,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:58:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:44,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:58:44,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-11-28 02:58:44,966 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:58:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-28 02:58:45,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457507386] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:58:45,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:58:45,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-28 02:58:45,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995613734] [2024-11-28 02:58:45,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:58:45,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:58:45,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:45,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:58:45,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:58:45,339 INFO L87 Difference]: Start difference. First operand 622 states and 885 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-28 02:58:45,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:45,735 INFO L93 Difference]: Finished difference Result 919 states and 1287 transitions. [2024-11-28 02:58:45,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:58:45,736 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 165 [2024-11-28 02:58:45,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:45,740 INFO L225 Difference]: With dead ends: 919 [2024-11-28 02:58:45,740 INFO L226 Difference]: Without dead ends: 449 [2024-11-28 02:58:45,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 327 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:58:45,742 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 116 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:58:45,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 226 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:58:45,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-28 02:58:45,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 379. [2024-11-28 02:58:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 257 states have (on average 1.2140077821011672) internal successors, (312), 258 states have internal predecessors, (312), 100 states have call successors, (100), 21 states have call predecessors, (100), 21 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-28 02:58:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 512 transitions. [2024-11-28 02:58:45,841 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 512 transitions. Word has length 165 [2024-11-28 02:58:45,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:45,842 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 512 transitions. [2024-11-28 02:58:45,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-28 02:58:45,842 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 512 transitions. [2024-11-28 02:58:45,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 02:58:45,844 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:45,845 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:45,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:58:46,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 02:58:46,049 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:58:46,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:46,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1042677440, now seen corresponding path program 1 times [2024-11-28 02:58:46,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:46,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769986630] [2024-11-28 02:58:46,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:46,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 02:58:46,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:46,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769986630] [2024-11-28 02:58:46,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769986630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:46,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:46,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:58:46,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452647312] [2024-11-28 02:58:46,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:46,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:58:46,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:46,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:58:46,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:58:46,397 INFO L87 Difference]: Start difference. First operand 379 states and 512 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 02:58:46,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:46,704 INFO L93 Difference]: Finished difference Result 660 states and 907 transitions. [2024-11-28 02:58:46,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:58:46,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 166 [2024-11-28 02:58:46,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:58:46,709 INFO L225 Difference]: With dead ends: 660 [2024-11-28 02:58:46,709 INFO L226 Difference]: Without dead ends: 535 [2024-11-28 02:58:46,710 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 [2024-11-28 02:58:46,711 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 132 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:58:46,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 363 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:58:46,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-28 02:58:46,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 498. [2024-11-28 02:58:46,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 346 states have (on average 1.239884393063584) internal successors, (429), 347 states have internal predecessors, (429), 125 states have call successors, (125), 26 states have call predecessors, (125), 26 states have return successors, (125), 124 states have call predecessors, (125), 125 states have call successors, (125) [2024-11-28 02:58:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 679 transitions. [2024-11-28 02:58:46,863 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 679 transitions. Word has length 166 [2024-11-28 02:58:46,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:58:46,865 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 679 transitions. [2024-11-28 02:58:46,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 02:58:46,865 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 679 transitions. [2024-11-28 02:58:46,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 02:58:46,869 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:58:46,869 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:46,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:58:46,869 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:58:46,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:46,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1888107239, now seen corresponding path program 1 times [2024-11-28 02:58:46,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:46,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277768528] [2024-11-28 02:58:46,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:46,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:58:47,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1397660210] [2024-11-28 02:58:47,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:47,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:58:47,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:47,011 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:58:47,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:58:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:47,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 02:58:47,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 591 proven. 93 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-28 02:58:48,269 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:32,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:32,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277768528] [2024-11-28 03:00:32,692 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:32,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397660210] [2024-11-28 03:00:32,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397660210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:32,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:32,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 03:00:32,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968424667] [2024-11-28 03:00:32,692 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:32,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:00:32,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:32,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:00:32,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=114, Unknown=24, NotChecked=0, Total=182 [2024-11-28 03:00:32,694 INFO L87 Difference]: Start difference. First operand 498 states and 679 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 03:00:53,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:53,769 INFO L93 Difference]: Finished difference Result 745 states and 1013 transitions. [2024-11-28 03:00:53,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:00:53,770 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 167 [2024-11-28 03:00:53,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:53,774 INFO L225 Difference]: With dead ends: 745 [2024-11-28 03:00:53,774 INFO L226 Difference]: Without dead ends: 501 [2024-11-28 03:00:53,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 119.8s TimeCoverageRelationStatistics Valid=166, Invalid=456, Unknown=28, NotChecked=0, Total=650 [2024-11-28 03:00:53,776 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 229 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:53,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 961 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-28 03:00:53,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-28 03:00:53,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 447. [2024-11-28 03:00:53,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 311 states have (on average 1.2154340836012862) internal successors, (378), 313 states have internal predecessors, (378), 111 states have call successors, (111), 24 states have call predecessors, (111), 24 states have return successors, (111), 109 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-28 03:00:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 600 transitions. [2024-11-28 03:00:53,896 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 600 transitions. Word has length 167 [2024-11-28 03:00:53,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:53,896 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 600 transitions. [2024-11-28 03:00:53,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 03:00:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 600 transitions. [2024-11-28 03:00:53,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 03:00:53,899 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:53,899 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:53,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:00:54,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-28 03:00:54,103 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:00:54,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:54,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1884560687, now seen corresponding path program 1 times [2024-11-28 03:00:54,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:54,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914462517] [2024-11-28 03:00:54,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:54,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:00:54,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1144032798] [2024-11-28 03:00:54,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:54,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:54,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:54,260 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:54,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:00:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:00:54,522 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:00:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:00:54,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:00:54,778 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:00:54,779 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:00:54,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 03:00:54,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:54,985 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:55,152 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:00:55,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:00:55 BoogieIcfgContainer [2024-11-28 03:00:55,155 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:00:55,156 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:00:55,156 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:00:55,157 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:00:55,157 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:58" (3/4) ... [2024-11-28 03:00:55,160 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:00:55,160 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:00:55,161 INFO L158 Benchmark]: Toolchain (without parser) took 178359.64ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.9MB in the beginning and 177.0MB in the end (delta: -83.1MB). Peak memory consumption was 146.7MB. Max. memory is 16.1GB. [2024-11-28 03:00:55,161 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:00:55,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.00ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 78.4MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:00:55,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.19ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 74.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:00:55,162 INFO L158 Benchmark]: Boogie Preprocessor took 92.36ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 68.6MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:00:55,162 INFO L158 Benchmark]: RCFGBuilder took 652.58ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 41.4MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:00:55,163 INFO L158 Benchmark]: TraceAbstraction took 177147.43ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 40.8MB in the beginning and 177.0MB in the end (delta: -136.3MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. [2024-11-28 03:00:55,163 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 352.3MB. Free memory was 177.0MB in the beginning and 177.0MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:00:55,165 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.00ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 78.4MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.19ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 74.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 92.36ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 68.6MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 652.58ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 41.4MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 177147.43ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 40.8MB in the beginning and 177.0MB in the end (delta: -136.3MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 352.3MB. Free memory was 177.0MB in the beginning and 177.0MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 131, overapproximation of someBinaryDOUBLEComparisonOperation at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 135, overapproximation of someBinaryDOUBLEComparisonOperation at line 158, overapproximation of someBinaryDOUBLEComparisonOperation at line 179, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryDOUBLEComparisonOperation at line 133. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.05; [L23] double var_1_6 = 0.0; [L24] double var_1_7 = 49.5; [L25] double var_1_8 = 16.75; [L26] unsigned short int var_1_9 = 1; [L27] unsigned long int var_1_11 = 8; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 1; [L30] unsigned char var_1_14 = 32; [L31] unsigned char var_1_15 = 50; [L32] unsigned char var_1_16 = 8; [L33] unsigned char var_1_17 = 32; [L34] unsigned long int var_1_18 = 2; [L35] unsigned long int var_1_19 = 3876014737; [L36] unsigned char var_1_20 = 0; [L37] unsigned short int var_1_21 = 25; [L38] unsigned char var_1_27 = 1; [L39] unsigned char var_1_30 = 1; [L40] unsigned char var_1_31 = 1; [L41] unsigned char var_1_32 = 0; [L42] unsigned long int var_1_33 = 2; [L43] unsigned short int var_1_34 = 0; [L44] signed short int var_1_35 = -10; [L45] double var_1_36 = 128.5; [L46] double var_1_37 = 128.25; [L47] unsigned char var_1_40 = 2; [L48] unsigned char var_1_41 = 25; [L49] unsigned short int var_1_42 = 8; [L50] unsigned long int var_1_43 = 3563499258; [L51] unsigned long int var_1_44 = 1249494912; [L52] double last_1_var_1_1 = 5.05; [L53] unsigned short int last_1_var_1_9 = 1; [L54] unsigned long int last_1_var_1_11 = 8; [L55] unsigned char last_1_var_1_14 = 32; [L56] unsigned char last_1_var_1_20 = 0; VAL [isInitial=0, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L183] isInitial = 1 [L184] FCALL initially() [L186] CALL updateLastVariables() [L172] last_1_var_1_1 = var_1_1 [L173] last_1_var_1_9 = var_1_9 [L174] last_1_var_1_11 = var_1_11 [L175] last_1_var_1_14 = var_1_14 [L176] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L186] RET updateLastVariables() [L187] CALL updateVariables() [L130] var_1_6 = __VERIFIER_nondet_double() [L131] CALL assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L131] RET assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L132] var_1_7 = __VERIFIER_nondet_double() [L133] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_8=67/4, var_1_9=1] [L133] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_8=67/4, var_1_9=1] [L134] var_1_8 = __VERIFIER_nondet_double() [L135] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L135] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L136] var_1_13 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L137] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L138] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L138] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L139] var_1_15 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L140] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L141] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L142] var_1_16 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L143] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L144] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L145] var_1_17 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L146] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L147] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L147] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L148] var_1_19 = __VERIFIER_nondet_ulong() [L149] CALL assume_abort_if_not(var_1_19 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L149] RET assume_abort_if_not(var_1_19 >= 3221225470) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L150] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L150] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L151] var_1_30 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_30 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L152] RET assume_abort_if_not(var_1_30 >= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L153] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L153] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L154] var_1_32 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_32 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L155] RET assume_abort_if_not(var_1_32 >= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L156] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L156] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L157] var_1_36 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L158] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L159] var_1_37 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L160] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L161] var_1_41 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_41 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L162] RET assume_abort_if_not(var_1_41 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_41 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L163] RET assume_abort_if_not(var_1_41 <= 254) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L164] var_1_43 = __VERIFIER_nondet_ulong() [L165] CALL assume_abort_if_not(var_1_43 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1249494912, var_1_9=1] [L165] RET assume_abort_if_not(var_1_43 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1249494912, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_43 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1249494912, var_1_9=1] [L166] RET assume_abort_if_not(var_1_43 <= 4294967295) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1249494912, var_1_9=1] [L167] var_1_44 = __VERIFIER_nondet_ulong() [L168] CALL assume_abort_if_not(var_1_44 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1073741823, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1073741823, var_1_9=1] [L168] RET assume_abort_if_not(var_1_44 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1073741823, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_44 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1073741823, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1073741823, var_1_9=1] [L169] RET assume_abort_if_not(var_1_44 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1073741823, var_1_9=1] [L187] RET updateVariables() [L188] CALL step() [L60] COND TRUE \read(var_1_13) [L61] var_1_18 = ((var_1_19 - last_1_var_1_9) - last_1_var_1_11) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1073741823, var_1_9=1] [L65] COND FALSE !(var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1073741823, var_1_9=1] [L74] COND TRUE var_1_14 >= (~ var_1_9) [L75] var_1_40 = var_1_41 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1073741823, var_1_9=1] [L77] COND TRUE (8 - 64) <= (var_1_9 - var_1_9) [L78] var_1_14 = (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1073741823, var_1_9=1] [L82] signed long int stepLocal_0 = - ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))); VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1073741823, var_1_9=1] [L83] COND FALSE !(var_1_18 >= stepLocal_0) [L86] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L88] var_1_34 = (var_1_14 + 4) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=8, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L89] COND FALSE !(\read(var_1_12)) [L98] var_1_42 = var_1_14 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L100] COND TRUE (var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14))) [L101] var_1_20 = var_1_13 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L103] COND TRUE \read(var_1_20) [L104] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L106] COND TRUE (var_1_9 <= var_1_9) && var_1_12 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L107] EXPR var_1_14 & var_1_14 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L107] COND TRUE ! (((((var_1_18) > (var_1_9)) ? (var_1_18) : (var_1_9))) < (var_1_14 & var_1_14)) [L108] var_1_27 = var_1_30 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L117] var_1_33 = var_1_14 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L118] COND FALSE !(((var_1_36 - var_1_37) + var_1_1) == var_1_1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L121] var_1_11 = (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u)) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L122] COND FALSE !(((((var_1_9) < (var_1_14)) ? (var_1_9) : (var_1_14))) > var_1_9) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L125] COND FALSE !(var_1_18 > (- var_1_9)) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L188] RET step() [L189] CALL, EXPR property() [L179-L180] return (((((((var_1_18 >= (- ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))))) ? (var_1_1 == ((double) (((var_1_6 - var_1_7) - ((((64.75) > (128.725)) ? (64.75) : (128.725)))) + var_1_8))) : (var_1_1 == ((double) var_1_7))) && ((var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) ? ((! ((last_1_var_1_1 == var_1_7) && (last_1_var_1_20 || last_1_var_1_20))) ? ((! (var_1_6 <= var_1_7)) ? (var_1_9 == ((unsigned short int) ((((last_1_var_1_14) < (last_1_var_1_14)) ? (last_1_var_1_14) : (last_1_var_1_14))))) : 1) : (var_1_9 == ((unsigned short int) last_1_var_1_14))) : 1)) && (var_1_11 == ((unsigned long int) (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u))))) && (var_1_20 ? (var_1_12 == ((unsigned char) var_1_13)) : 1)) && (((8 - 64) <= (var_1_9 - var_1_9)) ? (var_1_14 == ((unsigned char) (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))))) : (var_1_14 == ((unsigned char) var_1_17)))) && (var_1_13 ? (var_1_18 == ((unsigned long int) ((var_1_19 - last_1_var_1_9) - last_1_var_1_11))) : (var_1_18 == ((unsigned long int) (((((var_1_19 - var_1_17)) > (var_1_15)) ? ((var_1_19 - var_1_17)) : (var_1_15))))))) && (((var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14)))) ? (var_1_20 == ((unsigned char) var_1_13)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=0, var_1_34=4, var_1_35=-10, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=2147483647, var_1_44=1073741823, var_1_7=2, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 176.9s, OverallIterations: 9, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 57.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 2246 SdHoareTripleChecker+Valid, 24.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2242 mSDsluCounter, 4437 SdHoareTripleChecker+Invalid, 23.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3362 mSDsCounter, 1020 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4176 IncrementalHoareTripleChecker+Invalid, 5199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1020 mSolverCounterUnsat, 1075 mSDtfsCounter, 4176 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1167 GetRequests, 1014 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4495 ImplicationChecksByTransitivity, 134.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=622occurred in iteration=5, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 707 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 115.0s InterpolantComputationTime, 2319 NumberOfCodeBlocks, 2319 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2135 ConstructedInterpolants, 0 QuantifiedInterpolants, 9954 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1571 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 15084/15600 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 [2024-11-28 03:00:55,375 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-28 03:00:55,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB --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 63d28592561f54f4f96e786181b959744072197846b5c63dc5da76e6f0017f40 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:00:57,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:00:57,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:00:57,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:00:57,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:00:57,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:00:57,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:00:57,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:00:57,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:00:57,946 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:00:57,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:00:57,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:00:57,958 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:00:57,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:00:57,958 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:00:57,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:00:57,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:00:57,958 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:00:57,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:00:57,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:00:57,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:00:57,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:00:57,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:00:57,959 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:00:57,959 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:00:57,959 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:00:57,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:00:57,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:00:57,959 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:00:57,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:00:57,960 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:00:57,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:00:57,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:00:57,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:00:57,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:00:57,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:00:57,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:00:57,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:00:57,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:00:57,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:00:57,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:00:57,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:00:57,962 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:00:57,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:00:57,962 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:00:57,962 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:00:57,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:00:57,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:00:57,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:00:57,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:00:57,963 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_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 63d28592561f54f4f96e786181b959744072197846b5c63dc5da76e6f0017f40 [2024-11-28 03:00:58,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:00:58,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:00:58,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:00:58,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:00:58,261 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:00:58,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i [2024-11-28 03:01:01,193 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/data/c98ee6807/05f6917047a34480a834e76181c99267/FLAG65de58244 [2024-11-28 03:01:01,528 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:01:01,529 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i [2024-11-28 03:01:01,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/data/c98ee6807/05f6917047a34480a834e76181c99267/FLAG65de58244 [2024-11-28 03:01:01,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/data/c98ee6807/05f6917047a34480a834e76181c99267 [2024-11-28 03:01:01,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:01:01,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:01:01,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:01:01,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:01:01,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:01:01,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:01,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215bf275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01, skipping insertion in model container [2024-11-28 03:01:01,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:01,608 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:01:01,785 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_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i[919,932] [2024-11-28 03:01:01,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:01:01,912 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:01:01,921 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_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i[919,932] [2024-11-28 03:01:01,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:01:01,975 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:01:01,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01 WrapperNode [2024-11-28 03:01:01,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:01:01,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:01:01,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:01:01,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:01:01,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:01,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:02,023 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2024-11-28 03:01:02,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:01:02,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:01:02,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:01:02,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:01:02,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:02,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:02,043 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:02,071 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]. [2024-11-28 03:01:02,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:02,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:02,096 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:02,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:02,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:02,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:02,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:02,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:01:02,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:01:02,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:01:02,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:01:02,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2024-11-28 03:01:02,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:01:02,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:02,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:01:02,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:01:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:01:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:01:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:01:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:01:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:01:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:01:02,309 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:01:02,311 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:01:12,877 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 03:01:12,877 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:01:12,897 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:01:12,898 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:01:12,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:12 BoogieIcfgContainer [2024-11-28 03:01:12,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:01:12,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:01:12,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:01:12,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:01:12,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:01:01" (1/3) ... [2024-11-28 03:01:12,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fa8f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:12, skipping insertion in model container [2024-11-28 03:01:12,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (2/3) ... [2024-11-28 03:01:12,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fa8f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:12, skipping insertion in model container [2024-11-28 03:01:12,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:12" (3/3) ... [2024-11-28 03:01:12,916 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i [2024-11-28 03:01:12,932 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:01:12,934 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i that has 2 procedures, 81 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:01:13,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:01:13,036 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;@36270526, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:01:13,037 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:01:13,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 03:01:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 03:01:13,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:13,058 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:13,059 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:13,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:13,065 INFO L85 PathProgramCache]: Analyzing trace with hash 512466832, now seen corresponding path program 1 times [2024-11-28 03:01:13,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:13,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299633820] [2024-11-28 03:01:13,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:13,084 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 [2024-11-28 03:01:13,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:13,089 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:01:13,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:01:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:13,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:01:13,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:13,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2024-11-28 03:01:13,930 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:01:13,931 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:13,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299633820] [2024-11-28 03:01:13,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299633820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:13,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:13,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:13,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422747939] [2024-11-28 03:01:13,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:13,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:01:13,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:13,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:01:13,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:01:13,968 INFO L87 Difference]: Start difference. First operand has 81 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 03:01:13,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:13,997 INFO L93 Difference]: Finished difference Result 155 states and 271 transitions. [2024-11-28 03:01:13,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:01:13,999 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 165 [2024-11-28 03:01:13,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:14,006 INFO L225 Difference]: With dead ends: 155 [2024-11-28 03:01:14,006 INFO L226 Difference]: Without dead ends: 77 [2024-11-28 03:01:14,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:01:14,013 INFO L435 NwaCegarLoop]: 115 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, 115 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 [2024-11-28 03:01:14,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:01:14,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-28 03:01:14,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-28 03:01:14,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 50 states have (on average 1.3) internal successors, (65), 50 states have internal predecessors, (65), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 03:01:14,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 115 transitions. [2024-11-28 03:01:14,057 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 115 transitions. Word has length 165 [2024-11-28 03:01:14,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:14,058 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 115 transitions. [2024-11-28 03:01:14,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 03:01:14,058 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2024-11-28 03:01:14,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 03:01:14,061 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:14,061 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:14,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 03:01:14,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:01:14,262 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:14,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:14,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1221141682, now seen corresponding path program 1 times [2024-11-28 03:01:14,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:14,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1622803287] [2024-11-28 03:01:14,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:14,264 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 [2024-11-28 03:01:14,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:14,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:01:14,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:01:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:14,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:01:14,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:20,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 03:01:20,328 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:21,342 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:21,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1622803287] [2024-11-28 03:01:21,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1622803287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:21,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1639065403] [2024-11-28 03:01:21,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:21,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:01:21,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:01:21,347 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:01:21,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-28 03:01:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:21,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:01:21,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 03:01:22,159 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:01:22,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1639065403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:22,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:01:22,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-28 03:01:22,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446680015] [2024-11-28 03:01:22,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:22,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:01:22,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:22,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:01:22,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:01:22,162 INFO L87 Difference]: Start difference. First operand 77 states and 115 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 03:01:26,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:01:28,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:01:29,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:29,351 INFO L93 Difference]: Finished difference Result 303 states and 447 transitions. [2024-11-28 03:01:29,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:01:29,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2024-11-28 03:01:29,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:29,356 INFO L225 Difference]: With dead ends: 303 [2024-11-28 03:01:29,356 INFO L226 Difference]: Without dead ends: 229 [2024-11-28 03:01:29,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:01:29,358 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 222 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:29,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 510 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2024-11-28 03:01:29,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-28 03:01:29,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 221. [2024-11-28 03:01:29,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 160 states have (on average 1.35) internal successors, (216), 162 states have internal predecessors, (216), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-28 03:01:29,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 328 transitions. [2024-11-28 03:01:29,399 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 328 transitions. Word has length 165 [2024-11-28 03:01:29,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:29,400 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 328 transitions. [2024-11-28 03:01:29,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 03:01:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 328 transitions. [2024-11-28 03:01:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 03:01:29,403 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:29,403 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:29,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:01:29,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-28 03:01:29,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 03:01:29,804 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:29,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:29,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1922206260, now seen corresponding path program 1 times [2024-11-28 03:01:29,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:29,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022082068] [2024-11-28 03:01:29,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:29,806 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 [2024-11-28 03:01:29,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:29,810 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:01:29,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:01:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:30,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:01:30,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:34,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 03:01:34,487 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:39,241 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_19~0 (_ BitVec 32))) (or (not (bvuge (bvadd (bvneg ((_ zero_extend 16) c_~last_1_var_1_9~0)) ~var_1_19~0 (bvneg c_~last_1_var_1_11~0)) (bvneg ((_ zero_extend 16) c_~var_1_9~0)))) (not (bvsge ((_ zero_extend 32) ~var_1_19~0) (_ bv3221225470 64))))) is different from false [2024-11-28 03:01:39,247 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:39,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022082068] [2024-11-28 03:01:39,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022082068] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:39,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1821905537] [2024-11-28 03:01:39,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:39,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:01:39,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:01:39,250 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:01:39,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-28 03:01:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:40,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:01:40,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:41,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 03:01:41,405 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:01:41,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1821905537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:41,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:01:41,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-11-28 03:01:41,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555539486] [2024-11-28 03:01:41,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:41,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:41,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:41,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:41,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=122, Unknown=1, NotChecked=22, Total=182 [2024-11-28 03:01:41,408 INFO L87 Difference]: Start difference. First operand 221 states and 328 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 03:01:43,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:01:47,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:01:47,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:47,507 INFO L93 Difference]: Finished difference Result 653 states and 970 transitions. [2024-11-28 03:01:47,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:47,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2024-11-28 03:01:47,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:47,514 INFO L225 Difference]: With dead ends: 653 [2024-11-28 03:01:47,514 INFO L226 Difference]: Without dead ends: 435 [2024-11-28 03:01:47,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=37, Invalid=122, Unknown=1, NotChecked=22, Total=182 [2024-11-28 03:01:47,516 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 21 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:47,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 191 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-11-28 03:01:47,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-28 03:01:47,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 433. [2024-11-28 03:01:47,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 312 states have (on average 1.3205128205128205) internal successors, (412), 316 states have internal predecessors, (412), 112 states have call successors, (112), 8 states have call predecessors, (112), 8 states have return successors, (112), 108 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-28 03:01:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 636 transitions. [2024-11-28 03:01:47,597 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 636 transitions. Word has length 165 [2024-11-28 03:01:47,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:47,600 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 636 transitions. [2024-11-28 03:01:47,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 03:01:47,601 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 636 transitions. [2024-11-28 03:01:47,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 03:01:47,607 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:47,608 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:47,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-28 03:01:47,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:01:48,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:01:48,009 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:48,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:48,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1920359218, now seen corresponding path program 1 times [2024-11-28 03:01:48,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:48,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118366940] [2024-11-28 03:01:48,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:48,010 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 [2024-11-28 03:01:48,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:48,012 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:01:48,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:01:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:48,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:01:48,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:52,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 03:01:52,606 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:53,412 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:53,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1118366940] [2024-11-28 03:01:53,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1118366940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:53,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1541225497] [2024-11-28 03:01:53,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:53,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:01:53,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:01:53,415 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:01:53,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-28 03:01:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:54,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:01:54,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 03:01:55,785 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:01:55,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1541225497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:55,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:01:55,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-28 03:01:55,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315362111] [2024-11-28 03:01:55,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:55,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:01:55,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:55,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:01:55,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:01:55,787 INFO L87 Difference]: Start difference. First operand 433 states and 636 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 03:01:58,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:01:59,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:02:01,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:02:03,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:02:08,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:02:13,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:02:14,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:02:15,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:15,611 INFO L93 Difference]: Finished difference Result 1052 states and 1540 transitions. [2024-11-28 03:02:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:02:15,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2024-11-28 03:02:15,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:15,617 INFO L225 Difference]: With dead ends: 1052 [2024-11-28 03:02:15,617 INFO L226 Difference]: Without dead ends: 622 [2024-11-28 03:02:15,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:02:15,620 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 229 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:15,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 387 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 263 Invalid, 2 Unknown, 0 Unchecked, 19.7s Time] [2024-11-28 03:02:15,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-11-28 03:02:15,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 608. [2024-11-28 03:02:15,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 431 states have (on average 1.296983758700696) internal successors, (559), 436 states have internal predecessors, (559), 165 states have call successors, (165), 11 states have call predecessors, (165), 11 states have return successors, (165), 160 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-28 03:02:15,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 889 transitions. [2024-11-28 03:02:15,695 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 889 transitions. Word has length 165 [2024-11-28 03:02:15,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:15,695 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 889 transitions. [2024-11-28 03:02:15,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 03:02:15,696 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 889 transitions. [2024-11-28 03:02:15,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 03:02:15,698 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:15,699 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:15,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-28 03:02:15,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 03:02:16,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:02:16,100 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:16,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:16,100 INFO L85 PathProgramCache]: Analyzing trace with hash -961129202, now seen corresponding path program 1 times [2024-11-28 03:02:16,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:16,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278739162] [2024-11-28 03:02:16,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:16,101 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 [2024-11-28 03:02:16,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:16,104 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:02:16,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-28 03:02:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:16,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:02:16,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 03:02:20,763 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:21,607 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:21,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278739162] [2024-11-28 03:02:21,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1278739162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:21,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [229905628] [2024-11-28 03:02:21,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:21,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:02:21,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:02:21,609 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:02:21,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-28 03:02:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:22,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:02:22,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-28 03:02:26,675 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:27,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [229905628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:27,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:02:27,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2024-11-28 03:02:27,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134820405] [2024-11-28 03:02:27,178 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:02:27,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:02:27,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:27,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:02:27,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:02:27,179 INFO L87 Difference]: Start difference. First operand 608 states and 889 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 03:02:33,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:02:35,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:02:36,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:02:38,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:02:42,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:02:44,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:44,001 INFO L93 Difference]: Finished difference Result 1410 states and 2048 transitions. [2024-11-28 03:02:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:02:44,002 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 165 [2024-11-28 03:02:44,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:44,009 INFO L225 Difference]: With dead ends: 1410 [2024-11-28 03:02:44,009 INFO L226 Difference]: Without dead ends: 805 [2024-11-28 03:02:44,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:02:44,012 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 274 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:44,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 474 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2024-11-28 03:02:44,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2024-11-28 03:02:44,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 747. [2024-11-28 03:02:44,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 515 states have (on average 1.2718446601941749) internal successors, (655), 521 states have internal predecessors, (655), 215 states have call successors, (215), 16 states have call predecessors, (215), 16 states have return successors, (215), 209 states have call predecessors, (215), 215 states have call successors, (215) [2024-11-28 03:02:44,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1085 transitions. [2024-11-28 03:02:44,098 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1085 transitions. Word has length 165 [2024-11-28 03:02:44,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:44,099 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1085 transitions. [2024-11-28 03:02:44,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 03:02:44,099 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1085 transitions. [2024-11-28 03:02:44,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 03:02:44,104 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:44,104 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:44,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-28 03:02:44,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-28 03:02:44,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:02:44,505 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:44,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:44,505 INFO L85 PathProgramCache]: Analyzing trace with hash -2036943090, now seen corresponding path program 1 times [2024-11-28 03:02:44,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:44,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926898725] [2024-11-28 03:02:44,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:44,506 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 [2024-11-28 03:02:44,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:44,508 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:02:44,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-28 03:02:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:44,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:02:44,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-11-28 03:02:45,802 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:46,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-28 03:02:46,581 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:46,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926898725] [2024-11-28 03:02:46,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926898725] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:02:46,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:02:46,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-28 03:02:46,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760248434] [2024-11-28 03:02:46,582 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:02:46,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:02:46,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:46,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:02:46,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:02:46,584 INFO L87 Difference]: Start difference. First operand 747 states and 1085 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-28 03:02:51,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:02:54,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:02:54,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:54,734 INFO L93 Difference]: Finished difference Result 1006 states and 1445 transitions. [2024-11-28 03:02:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:02:54,766 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 165 [2024-11-28 03:02:54,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:54,770 INFO L225 Difference]: With dead ends: 1006 [2024-11-28 03:02:54,770 INFO L226 Difference]: Without dead ends: 389 [2024-11-28 03:02:54,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:02:54,774 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 145 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:54,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 200 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 141 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2024-11-28 03:02:54,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-28 03:02:54,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 317. [2024-11-28 03:02:54,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 203 states have (on average 1.1921182266009853) internal successors, (242), 203 states have internal predecessors, (242), 100 states have call successors, (100), 13 states have call predecessors, (100), 13 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-28 03:02:54,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 442 transitions. [2024-11-28 03:02:54,827 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 442 transitions. Word has length 165 [2024-11-28 03:02:54,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:54,828 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 442 transitions. [2024-11-28 03:02:54,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-28 03:02:54,829 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 442 transitions. [2024-11-28 03:02:54,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 03:02:54,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:54,835 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:54,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-28 03:02:55,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:02:55,035 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:55,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:55,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1574013526, now seen corresponding path program 1 times [2024-11-28 03:02:55,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:55,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173641235] [2024-11-28 03:02:55,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:55,037 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 [2024-11-28 03:02:55,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:55,038 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:02:55,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-28 03:02:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:55,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:02:55,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 03:02:56,512 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:02:56,512 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:56,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173641235] [2024-11-28 03:02:56,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173641235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:56,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:56,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:02:56,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669965435] [2024-11-28 03:02:56,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:56,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:02:56,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:56,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:02:56,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:02:56,514 INFO L87 Difference]: Start difference. First operand 317 states and 442 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 03:02:59,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:03:03,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:03:03,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:03,929 INFO L93 Difference]: Finished difference Result 507 states and 707 transitions. [2024-11-28 03:03:03,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:03:03,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 166 [2024-11-28 03:03:03,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:03,953 INFO L225 Difference]: With dead ends: 507 [2024-11-28 03:03:03,953 INFO L226 Difference]: Without dead ends: 345 [2024-11-28 03:03:03,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:03:03,955 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 98 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:03,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 339 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2024-11-28 03:03:03,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-28 03:03:03,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 317. [2024-11-28 03:03:03,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 203 states have (on average 1.1773399014778325) internal successors, (239), 203 states have internal predecessors, (239), 100 states have call successors, (100), 13 states have call predecessors, (100), 13 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-28 03:03:03,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 439 transitions. [2024-11-28 03:03:03,993 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 439 transitions. Word has length 166 [2024-11-28 03:03:03,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:03,993 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 439 transitions. [2024-11-28 03:03:03,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 03:03:03,994 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 439 transitions. [2024-11-28 03:03:03,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 03:03:03,995 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:03,996 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:03:04,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-28 03:03:04,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:03:04,197 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:04,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:04,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1955917919, now seen corresponding path program 1 times [2024-11-28 03:03:04,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:03:04,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722532566] [2024-11-28 03:03:04,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:04,198 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 [2024-11-28 03:03:04,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:03:04,202 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:03:04,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c1ebc3-2ce2-4870-af09-77b7fe1758fb/bin/uautomizer-verify-aQ6SnzHsRB/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 (13)] Waiting until timeout for monitored process [2024-11-28 03:03:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:04,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:03:04,710 INFO L279 TraceCheckSpWp]: Computing forward predicates...