./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-24 02:10:20,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:10:20,546 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 02:10:20,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:10:20,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:10:20,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:10:20,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:10:20,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:10:20,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:10:20,587 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:10:20,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:10:20,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:10:20,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:10:20,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:10:20,588 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:10:20,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:10:20,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:10:20,589 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 02:10:20,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:10:20,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 02:10:20,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:10:20,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:10:20,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:10:20,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:10:20,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 02:10:20,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:10:20,591 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:10:20,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:10:20,591 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:10:20,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:10:20,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:10:20,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:10:20,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:10:20,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:10:20,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:10:20,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:10:20,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:10:20,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:10:20,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:10:20,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:10:20,593 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:10:20,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:10:20,594 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 02:10:20,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 02:10:20,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:10:20,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:10:20,594 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:10:20,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:10:20,595 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_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-24 02:10:21,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:10:21,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:10:21,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:10:21,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:10:21,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:10:21,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i [2024-11-24 02:10:24,822 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/data/2a7db5ca0/ba55f336ca7b47a680533f0c337db2a0/FLAG15ffb892a [2024-11-24 02:10:25,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:10:25,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i [2024-11-24 02:10:25,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/data/2a7db5ca0/ba55f336ca7b47a680533f0c337db2a0/FLAG15ffb892a [2024-11-24 02:10:25,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/data/2a7db5ca0/ba55f336ca7b47a680533f0c337db2a0 [2024-11-24 02:10:25,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:10:25,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:10:25,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:10:25,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:10:25,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:10:25,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:25,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ddea010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25, skipping insertion in model container [2024-11-24 02:10:25,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:25,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:10:25,586 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_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i[919,932] [2024-11-24 02:10:25,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:10:25,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:10:25,735 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_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i[919,932] [2024-11-24 02:10:25,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:10:25,854 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:10:25,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25 WrapperNode [2024-11-24 02:10:25,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:10:25,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:10:25,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:10:25,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:10:25,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:25,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:25,967 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 203 [2024-11-24 02:10:25,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:10:25,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:10:25,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:10:25,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:10:25,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:25,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:25,994 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:26,030 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]. [2024-11-24 02:10:26,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:26,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:26,042 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:26,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:26,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:26,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:26,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:26,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:10:26,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:10:26,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:10:26,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:10:26,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (1/1) ... [2024-11-24 02:10:26,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:10:26,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:10:26,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:10:26,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:10:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:10:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 02:10:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 02:10:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 02:10:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:10:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:10:26,283 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:10:26,286 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:10:27,013 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 02:10:27,014 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:10:27,027 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:10:27,027 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 02:10:27,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:10:27 BoogieIcfgContainer [2024-11-24 02:10:27,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:10:27,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:10:27,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:10:27,038 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:10:27,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:10:25" (1/3) ... [2024-11-24 02:10:27,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255fb87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:10:27, skipping insertion in model container [2024-11-24 02:10:27,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:25" (2/3) ... [2024-11-24 02:10:27,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255fb87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:10:27, skipping insertion in model container [2024-11-24 02:10:27,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:10:27" (3/3) ... [2024-11-24 02:10:27,041 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i [2024-11-24 02:10:27,061 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:10:27,062 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. [2024-11-24 02:10:27,160 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:10:27,182 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;@113cc259, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:10:27,183 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 02:10:27,187 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) [2024-11-24 02:10:27,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 02:10:27,203 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:10:27,204 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] [2024-11-24 02:10:27,205 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:10:27,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:10:27,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1942846472, now seen corresponding path program 1 times [2024-11-24 02:10:27,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:10:27,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100587690] [2024-11-24 02:10:27,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:10:27,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:10:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:10:27,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-24 02:10:27,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:10:27,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100587690] [2024-11-24 02:10:27,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100587690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:10:27,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239774287] [2024-11-24 02:10:27,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:10:27,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:10:27,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:10:27,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:10:27,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 02:10:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:10:27,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 02:10:27,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:10:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-24 02:10:28,014 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:10:28,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239774287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:10:28,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:10:28,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 02:10:28,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843361516] [2024-11-24 02:10:28,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:10:28,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 02:10:28,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:10:28,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 02:10:28,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:10:28,060 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) [2024-11-24 02:10:28,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:10:28,110 INFO L93 Difference]: Finished difference Result 166 states and 290 transitions. [2024-11-24 02:10:28,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 02:10:28,113 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 [2024-11-24 02:10:28,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:10:28,125 INFO L225 Difference]: With dead ends: 166 [2024-11-24 02:10:28,125 INFO L226 Difference]: Without dead ends: 82 [2024-11-24 02:10:28,131 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 [2024-11-24 02:10:28,138 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 [2024-11-24 02:10:28,139 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] [2024-11-24 02:10:28,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-24 02:10:28,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-24 02:10:28,202 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) [2024-11-24 02:10:28,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 124 transitions. [2024-11-24 02:10:28,215 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 124 transitions. Word has length 165 [2024-11-24 02:10:28,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:10:28,215 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 124 transitions. [2024-11-24 02:10:28,216 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) [2024-11-24 02:10:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2024-11-24 02:10:28,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 02:10:28,220 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:10:28,221 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] [2024-11-24 02:10:28,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 02:10:28,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 02:10:28,422 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:10:28,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:10:28,423 INFO L85 PathProgramCache]: Analyzing trace with hash 675770612, now seen corresponding path program 1 times [2024-11-24 02:10:28,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:10:28,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265648791] [2024-11-24 02:10:28,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:10:28,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:10:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:10:29,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-24 02:10:29,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:10:29,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265648791] [2024-11-24 02:10:29,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265648791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:10:29,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:10:29,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:10:29,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42906039] [2024-11-24 02:10:29,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:10:29,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:10:29,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:10:29,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:10:29,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:10:29,801 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) [2024-11-24 02:10:29,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:10:29,986 INFO L93 Difference]: Finished difference Result 237 states and 351 transitions. [2024-11-24 02:10:29,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:10:29,987 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 [2024-11-24 02:10:29,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:10:29,991 INFO L225 Difference]: With dead ends: 237 [2024-11-24 02:10:29,995 INFO L226 Difference]: Without dead ends: 158 [2024-11-24 02:10:29,996 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 [2024-11-24 02:10:30,000 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 [2024-11-24 02:10:30,000 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] [2024-11-24 02:10:30,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-24 02:10:30,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 124. [2024-11-24 02:10:30,032 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) [2024-11-24 02:10:30,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 186 transitions. [2024-11-24 02:10:30,036 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 186 transitions. Word has length 165 [2024-11-24 02:10:30,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:10:30,037 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 186 transitions. [2024-11-24 02:10:30,038 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) [2024-11-24 02:10:30,038 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 186 transitions. [2024-11-24 02:10:30,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 02:10:30,048 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:10:30,048 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] [2024-11-24 02:10:30,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 02:10:30,049 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:10:30,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:10:30,050 INFO L85 PathProgramCache]: Analyzing trace with hash -25293966, now seen corresponding path program 1 times [2024-11-24 02:10:30,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:10:30,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191706683] [2024-11-24 02:10:30,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:10:30,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:10:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:10:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-24 02:10:31,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:10:31,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191706683] [2024-11-24 02:10:31,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191706683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:10:31,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:10:31,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:10:31,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394531751] [2024-11-24 02:10:31,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:10:31,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:10:31,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:10:31,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:10:31,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:10:31,339 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) [2024-11-24 02:10:31,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:10:31,604 INFO L93 Difference]: Finished difference Result 364 states and 548 transitions. [2024-11-24 02:10:31,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:10:31,605 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 [2024-11-24 02:10:31,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:10:31,611 INFO L225 Difference]: With dead ends: 364 [2024-11-24 02:10:31,611 INFO L226 Difference]: Without dead ends: 243 [2024-11-24 02:10:31,612 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 [2024-11-24 02:10:31,614 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 68 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:10:31,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 303 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:10:31,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-24 02:10:31,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 241. [2024-11-24 02:10:31,689 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) [2024-11-24 02:10:31,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 360 transitions. [2024-11-24 02:10:31,698 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 360 transitions. Word has length 165 [2024-11-24 02:10:31,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:10:31,699 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 360 transitions. [2024-11-24 02:10:31,700 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) [2024-11-24 02:10:31,701 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 360 transitions. [2024-11-24 02:10:31,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 02:10:31,708 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:10:31,709 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] [2024-11-24 02:10:31,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 02:10:31,709 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:10:31,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:10:31,711 INFO L85 PathProgramCache]: Analyzing trace with hash -23446924, now seen corresponding path program 1 times [2024-11-24 02:10:31,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:10:31,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186518034] [2024-11-24 02:10:31,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:10:31,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:10:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:10:32,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-24 02:10:32,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:10:32,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186518034] [2024-11-24 02:10:32,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186518034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:10:32,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:10:32,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:10:32,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072907357] [2024-11-24 02:10:32,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:10:32,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:10:32,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:10:32,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:10:32,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:10:32,312 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) [2024-11-24 02:10:32,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:10:32,459 INFO L93 Difference]: Finished difference Result 543 states and 800 transitions. [2024-11-24 02:10:32,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:10:32,460 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 [2024-11-24 02:10:32,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:10:32,467 INFO L225 Difference]: With dead ends: 543 [2024-11-24 02:10:32,467 INFO L226 Difference]: Without dead ends: 305 [2024-11-24 02:10:32,468 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 [2024-11-24 02:10:32,469 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 [2024-11-24 02:10:32,472 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] [2024-11-24 02:10:32,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-24 02:10:32,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 243. [2024-11-24 02:10:32,543 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) [2024-11-24 02:10:32,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 362 transitions. [2024-11-24 02:10:32,546 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 362 transitions. Word has length 165 [2024-11-24 02:10:32,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:10:32,547 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 362 transitions. [2024-11-24 02:10:32,548 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) [2024-11-24 02:10:32,548 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 362 transitions. [2024-11-24 02:10:32,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 02:10:32,551 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:10:32,551 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] [2024-11-24 02:10:32,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 02:10:32,551 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:10:32,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:10:32,552 INFO L85 PathProgramCache]: Analyzing trace with hash 935783092, now seen corresponding path program 1 times [2024-11-24 02:10:32,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:10:32,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113397286] [2024-11-24 02:10:32,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:10:32,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:10:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:10:35,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 33 proven. 39 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-24 02:10:35,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:10:35,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113397286] [2024-11-24 02:10:35,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113397286] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:10:35,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761258938] [2024-11-24 02:10:35,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:10:35,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:10:35,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:10:35,557 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:10:35,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 02:10:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:10:35,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-24 02:10:35,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:10:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 633 proven. 72 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-24 02:10:38,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:10:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 66 proven. 75 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2024-11-24 02:10:40,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761258938] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:10:40,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:10:40,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 13] total 29 [2024-11-24 02:10:40,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851200871] [2024-11-24 02:10:40,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:10:40,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-24 02:10:40,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:10:40,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-24 02:10:40,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=658, Unknown=0, NotChecked=0, Total=812 [2024-11-24 02:10:40,932 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) [2024-11-24 02:10:48,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:02,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:06,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:13,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:13,283 INFO L93 Difference]: Finished difference Result 1330 states and 1897 transitions. [2024-11-24 02:11:13,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-11-24 02:11:13,284 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 [2024-11-24 02:11:13,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:13,292 INFO L225 Difference]: With dead ends: 1330 [2024-11-24 02:11:13,293 INFO L226 Difference]: Without dead ends: 1070 [2024-11-24 02:11:13,300 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4409 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=2343, Invalid=10313, Unknown=0, NotChecked=0, Total=12656 [2024-11-24 02:11:13,301 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 1465 mSDsluCounter, 1653 mSDsCounter, 0 mSdLazyCounter, 3296 mSolverCounterSat, 798 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s 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, 19.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:11:13,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1466 Valid, 1850 Invalid, 4097 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [798 Valid, 3296 Invalid, 3 Unknown, 0 Unchecked, 19.9s Time] [2024-11-24 02:11:13,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2024-11-24 02:11:13,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 622. [2024-11-24 02:11:13,522 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) [2024-11-24 02:11:13,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 885 transitions. [2024-11-24 02:11:13,530 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 885 transitions. Word has length 165 [2024-11-24 02:11:13,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:13,533 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 885 transitions. [2024-11-24 02:11:13,533 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) [2024-11-24 02:11:13,533 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 885 transitions. [2024-11-24 02:11:13,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 02:11:13,538 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:13,538 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] [2024-11-24 02:11:13,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 02:11:13,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:13,743 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:11:13,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:13,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1419894474, now seen corresponding path program 1 times [2024-11-24 02:11:13,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:13,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724403628] [2024-11-24 02:11:13,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:13,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-24 02:11:14,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:14,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724403628] [2024-11-24 02:11:14,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724403628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:11:14,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604764748] [2024-11-24 02:11:14,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:14,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:14,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:11:14,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:11:14,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 02:11:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:14,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:11:14,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:11:14,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-11-24 02:11:14,910 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:11:15,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-24 02:11:15,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604764748] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:11:15,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:11:15,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-24 02:11:15,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652615868] [2024-11-24 02:11:15,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:11:15,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:11:15,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:15,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:11:15,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:11:15,351 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) [2024-11-24 02:11:15,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:15,808 INFO L93 Difference]: Finished difference Result 919 states and 1287 transitions. [2024-11-24 02:11:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 02:11:15,810 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 [2024-11-24 02:11:15,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:15,815 INFO L225 Difference]: With dead ends: 919 [2024-11-24 02:11:15,815 INFO L226 Difference]: Without dead ends: 449 [2024-11-24 02:11:15,817 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 [2024-11-24 02:11:15,817 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:11:15,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 226 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 02:11:15,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-24 02:11:15,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 379. [2024-11-24 02:11:15,976 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) [2024-11-24 02:11:15,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 512 transitions. [2024-11-24 02:11:15,981 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 512 transitions. Word has length 165 [2024-11-24 02:11:15,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:15,982 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 512 transitions. [2024-11-24 02:11:15,982 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) [2024-11-24 02:11:15,982 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 512 transitions. [2024-11-24 02:11:15,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-24 02:11:15,984 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:15,985 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] [2024-11-24 02:11:15,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 02:11:16,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:16,185 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:11:16,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:16,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1042677440, now seen corresponding path program 1 times [2024-11-24 02:11:16,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:16,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680973145] [2024-11-24 02:11:16,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:16,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:16,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-24 02:11:16,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:16,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680973145] [2024-11-24 02:11:16,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680973145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:16,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:16,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:11:16,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453682630] [2024-11-24 02:11:16,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:16,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:11:16,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:16,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:11:16,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:11:16,580 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) [2024-11-24 02:11:16,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:16,962 INFO L93 Difference]: Finished difference Result 660 states and 907 transitions. [2024-11-24 02:11:16,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:11:16,964 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 [2024-11-24 02:11:16,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:16,968 INFO L225 Difference]: With dead ends: 660 [2024-11-24 02:11:16,969 INFO L226 Difference]: Without dead ends: 535 [2024-11-24 02:11:16,970 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 [2024-11-24 02:11:16,972 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 132 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-24 02:11:16,973 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] [2024-11-24 02:11:16,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-24 02:11:17,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 498. [2024-11-24 02:11:17,182 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) [2024-11-24 02:11:17,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 679 transitions. [2024-11-24 02:11:17,193 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 679 transitions. Word has length 166 [2024-11-24 02:11:17,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:17,194 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 679 transitions. [2024-11-24 02:11:17,194 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) [2024-11-24 02:11:17,194 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 679 transitions. [2024-11-24 02:11:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-24 02:11:17,201 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:17,201 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] [2024-11-24 02:11:17,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 02:11:17,202 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:11:17,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:17,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1888107239, now seen corresponding path program 1 times [2024-11-24 02:11:17,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:17,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353309860] [2024-11-24 02:11:17,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:17,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 02:11:17,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [95203816] [2024-11-24 02:11:17,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:17,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:11:17,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:11:17,424 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:11:17,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 02:11:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:17,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 02:11:17,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:11:18,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 591 proven. 93 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-24 02:11:18,902 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:13:05,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:05,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353309860] [2024-11-24 02:13:05,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-24 02:13:05,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95203816] [2024-11-24 02:13:05,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95203816] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:13:05,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:13:05,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-24 02:13:05,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480420425] [2024-11-24 02:13:05,448 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-24 02:13:05,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 02:13:05,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:05,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 02:13:05,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=114, Unknown=24, NotChecked=0, Total=182 [2024-11-24 02:13:05,450 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) [2024-11-24 02:13:18,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:18,110 INFO L93 Difference]: Finished difference Result 745 states and 1013 transitions. [2024-11-24 02:13:18,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 02:13:18,111 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 [2024-11-24 02:13:18,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:18,115 INFO L225 Difference]: With dead ends: 745 [2024-11-24 02:13:18,116 INFO L226 Difference]: Without dead ends: 501 [2024-11-24 02:13:18,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 112.8s TimeCoverageRelationStatistics Valid=166, Invalid=458, Unknown=26, NotChecked=0, Total=650 [2024-11-24 02:13:18,117 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 229 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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, 3.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:13:18,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 961 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-24 02:13:18,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-24 02:13:18,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 447. [2024-11-24 02:13:18,227 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) [2024-11-24 02:13:18,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 600 transitions. [2024-11-24 02:13:18,233 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 600 transitions. Word has length 167 [2024-11-24 02:13:18,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:18,233 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 600 transitions. [2024-11-24 02:13:18,234 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) [2024-11-24 02:13:18,234 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 600 transitions. [2024-11-24 02:13:18,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-24 02:13:18,236 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:18,236 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] [2024-11-24 02:13:18,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-24 02:13:18,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:13:18,440 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:13:18,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:18,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1884560687, now seen corresponding path program 1 times [2024-11-24 02:13:18,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:18,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256348303] [2024-11-24 02:13:18,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:18,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 02:13:18,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [802079136] [2024-11-24 02:13:18,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:18,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:13:18,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:13:18,604 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:13:18,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 02:13:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:13:18,868 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:13:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:13:19,120 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 02:13:19,121 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 02:13:19,122 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 02:13:19,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 02:13:19,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:13:19,328 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:13:19,517 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 02:13:19,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:13:19 BoogieIcfgContainer [2024-11-24 02:13:19,522 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 02:13:19,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 02:13:19,523 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 02:13:19,523 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 02:13:19,523 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:10:27" (3/4) ... [2024-11-24 02:13:19,526 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 02:13:19,527 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 02:13:19,530 INFO L158 Benchmark]: Toolchain (without parser) took 174231.55ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 119.1MB in the beginning and 403.4MB in the end (delta: -284.3MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2024-11-24 02:13:19,530 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:13:19,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.85ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 103.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 02:13:19,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.72ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 98.9MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:13:19,532 INFO L158 Benchmark]: Boogie Preprocessor took 107.84ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 93.3MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:13:19,532 INFO L158 Benchmark]: RCFGBuilder took 951.43ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 66.3MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 02:13:19,533 INFO L158 Benchmark]: TraceAbstraction took 172490.43ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 65.5MB in the beginning and 403.4MB in the end (delta: -337.9MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-11-24 02:13:19,534 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 494.9MB. Free memory was 403.4MB in the beginning and 403.4MB in the end (delta: 66.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:13:19,535 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.85ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 103.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.72ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 98.9MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 107.84ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 93.3MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 951.43ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 66.3MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 172490.43ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 65.5MB in the beginning and 403.4MB in the end (delta: -337.9MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 494.9MB. Free memory was 403.4MB in the beginning and 403.4MB in the end (delta: 66.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 179, overapproximation of someBinaryDOUBLEComparisonOperation at line 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 131, overapproximation of someBinaryDOUBLEComparisonOperation at line 158, overapproximation of someBinaryDOUBLEComparisonOperation at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryDOUBLEComparisonOperation at line 135, overapproximation of someBinaryDOUBLEComparisonOperation at line 118. 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: 172.2s, OverallIterations: 9, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 46.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 2246 SdHoareTripleChecker+Valid, 24.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2242 mSDsluCounter, 4437 SdHoareTripleChecker+Invalid, 23.0s 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, 126.7s 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: 1.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 707 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 120.1s 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 [2024-11-24 02:13:19,760 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-24 02:13:19,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-24 02:13:22,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:13:22,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 02:13:22,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:13:22,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:13:22,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:13:22,545 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:13:22,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:13:22,546 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:13:22,546 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:13:22,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:13:22,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:13:22,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:13:22,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:13:22,547 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:13:22,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:13:22,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:13:22,549 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 02:13:22,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 02:13:22,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:13:22,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:13:22,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:13:22,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:13:22,551 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 02:13:22,551 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 02:13:22,551 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 02:13:22,551 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 02:13:22,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:13:22,552 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:13:22,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:13:22,552 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:13:22,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:13:22,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:13:22,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:13:22,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:13:22,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:13:22,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:13:22,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:13:22,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:13:22,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:13:22,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:13:22,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:13:22,553 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:13:22,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:13:22,553 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 02:13:22,553 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 02:13:22,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:13:22,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:13:22,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:13:22,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:13:22,553 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_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-24 02:13:22,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:13:22,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:13:22,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:13:22,935 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:13:22,936 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:13:22,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i [2024-11-24 02:13:26,151 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/data/d813ee9bb/39524db06b654cc8873e844a14f46878/FLAG183d4bd78 [2024-11-24 02:13:26,455 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:13:26,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i [2024-11-24 02:13:26,467 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/data/d813ee9bb/39524db06b654cc8873e844a14f46878/FLAG183d4bd78 [2024-11-24 02:13:26,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/data/d813ee9bb/39524db06b654cc8873e844a14f46878 [2024-11-24 02:13:26,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:13:26,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:13:26,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:13:26,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:13:26,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:13:26,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:26,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9acd145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26, skipping insertion in model container [2024-11-24 02:13:26,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:26,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:13:26,710 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_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i[919,932] [2024-11-24 02:13:26,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:13:26,821 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:13:26,834 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_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i[919,932] [2024-11-24 02:13:26,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:13:26,893 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:13:26,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26 WrapperNode [2024-11-24 02:13:26,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:13:26,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:13:26,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:13:26,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:13:26,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:26,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:26,950 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2024-11-24 02:13:26,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:13:26,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:13:26,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:13:26,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:13:26,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:26,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:26,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:26,981 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]. [2024-11-24 02:13:26,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:26,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:26,993 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:26,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:26,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:27,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:27,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:27,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:13:27,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:13:27,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:13:27,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:13:27,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (1/1) ... [2024-11-24 02:13:27,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:13:27,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:13:27,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:13:27,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:13:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:13:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 02:13:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 02:13:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 02:13:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:13:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:13:27,255 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:13:27,257 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:13:40,590 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 02:13:40,591 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:13:40,606 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:13:40,606 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 02:13:40,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:13:40 BoogieIcfgContainer [2024-11-24 02:13:40,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:13:40,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:13:40,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:13:40,616 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:13:40,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:13:26" (1/3) ... [2024-11-24 02:13:40,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c08ee13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:13:40, skipping insertion in model container [2024-11-24 02:13:40,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:13:26" (2/3) ... [2024-11-24 02:13:40,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c08ee13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:13:40, skipping insertion in model container [2024-11-24 02:13:40,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:13:40" (3/3) ... [2024-11-24 02:13:40,619 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-70.i [2024-11-24 02:13:40,638 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:13:40,640 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. [2024-11-24 02:13:40,704 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:13:40,717 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;@8d4445e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:13:40,717 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 02:13:40,722 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) [2024-11-24 02:13:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 02:13:40,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:40,737 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] [2024-11-24 02:13:40,737 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:13:40,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:40,743 INFO L85 PathProgramCache]: Analyzing trace with hash 512466832, now seen corresponding path program 1 times [2024-11-24 02:13:40,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:13:40,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200786830] [2024-11-24 02:13:40,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:40,757 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 [2024-11-24 02:13:40,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:13:40,761 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:13:40,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:13:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:41,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 02:13:41,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:13:41,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2024-11-24 02:13:41,531 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:13:41,532 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:13:41,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200786830] [2024-11-24 02:13:41,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200786830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:41,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:13:41,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 02:13:41,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161431718] [2024-11-24 02:13:41,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:41,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 02:13:41,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:13:41,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 02:13:41,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:13:41,570 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) [2024-11-24 02:13:41,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:41,612 INFO L93 Difference]: Finished difference Result 155 states and 271 transitions. [2024-11-24 02:13:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 02:13:41,615 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 [2024-11-24 02:13:41,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:41,626 INFO L225 Difference]: With dead ends: 155 [2024-11-24 02:13:41,626 INFO L226 Difference]: Without dead ends: 77 [2024-11-24 02:13:41,630 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 [2024-11-24 02:13:41,634 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 [2024-11-24 02:13:41,636 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] [2024-11-24 02:13:41,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-24 02:13:41,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-24 02:13:41,675 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) [2024-11-24 02:13:41,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 115 transitions. [2024-11-24 02:13:41,686 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 115 transitions. Word has length 165 [2024-11-24 02:13:41,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:41,686 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 115 transitions. [2024-11-24 02:13:41,687 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) [2024-11-24 02:13:41,688 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2024-11-24 02:13:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 02:13:41,694 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:41,694 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] [2024-11-24 02:13:41,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-24 02:13:41,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:13:41,895 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:13:41,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:41,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1221141682, now seen corresponding path program 1 times [2024-11-24 02:13:41,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:13:41,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661944569] [2024-11-24 02:13:41,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:41,897 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 [2024-11-24 02:13:41,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:13:41,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:13:41,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:13:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:42,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 02:13:42,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:13:48,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-24 02:13:48,097 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:13:49,074 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:13:49,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661944569] [2024-11-24 02:13:49,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661944569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:13:49,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [735170345] [2024-11-24 02:13:49,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:49,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 02:13:49,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 02:13:49,081 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 02:13:49,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 02:13:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:49,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 02:13:49,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:13:49,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-24 02:13:49,895 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:13:49,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [735170345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:49,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:13:49,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-24 02:13:49,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980234857] [2024-11-24 02:13:49,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:49,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:13:49,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:13:49,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:13:49,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-24 02:13:49,899 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) [2024-11-24 02:13:52,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:13:53,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:53,671 INFO L93 Difference]: Finished difference Result 303 states and 447 transitions. [2024-11-24 02:13:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:13:53,672 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 [2024-11-24 02:13:53,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:53,676 INFO L225 Difference]: With dead ends: 303 [2024-11-24 02:13:53,676 INFO L226 Difference]: Without dead ends: 229 [2024-11-24 02:13:53,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-24 02:13:53,678 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 222 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:13:53,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 510 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-24 02:13:53,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-24 02:13:53,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 221. [2024-11-24 02:13:53,747 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) [2024-11-24 02:13:53,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 328 transitions. [2024-11-24 02:13:53,750 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 328 transitions. Word has length 165 [2024-11-24 02:13:53,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:53,751 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 328 transitions. [2024-11-24 02:13:53,751 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) [2024-11-24 02:13:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 328 transitions. [2024-11-24 02:13:53,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 02:13:53,754 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:53,755 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] [2024-11-24 02:13:53,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:13:53,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-24 02:13:54,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 02:13:54,156 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:13:54,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:54,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1922206260, now seen corresponding path program 1 times [2024-11-24 02:13:54,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:13:54,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214398890] [2024-11-24 02:13:54,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:54,157 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 [2024-11-24 02:13:54,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:13:54,160 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:13:54,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:13:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:54,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 02:13:54,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:13:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-24 02:13:58,817 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:13:59,812 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:13:59,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214398890] [2024-11-24 02:13:59,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [214398890] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:13:59,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [856888446] [2024-11-24 02:13:59,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:59,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 02:13:59,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 02:13:59,819 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 02:13:59,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-24 02:14:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:00,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 02:14:00,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:14:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-24 02:14:01,858 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:14:01,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [856888446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:14:01,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:14:01,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-11-24 02:14:01,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845770720] [2024-11-24 02:14:01,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:14:01,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:14:01,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:14:01,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:14:01,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:14:01,861 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) [2024-11-24 02:14:05,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:06,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:14:06,074 INFO L93 Difference]: Finished difference Result 653 states and 970 transitions. [2024-11-24 02:14:06,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:14:06,075 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 [2024-11-24 02:14:06,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:14:06,080 INFO L225 Difference]: With dead ends: 653 [2024-11-24 02:14:06,081 INFO L226 Difference]: Without dead ends: 435 [2024-11-24 02:14:06,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:14:06,083 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 21 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:14:06,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 191 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 02:14:06,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-24 02:14:06,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 433. [2024-11-24 02:14:06,166 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) [2024-11-24 02:14:06,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 636 transitions. [2024-11-24 02:14:06,170 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 636 transitions. Word has length 165 [2024-11-24 02:14:06,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:14:06,171 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 636 transitions. [2024-11-24 02:14:06,172 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) [2024-11-24 02:14:06,172 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 636 transitions. [2024-11-24 02:14:06,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 02:14:06,175 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:14:06,175 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] [2024-11-24 02:14:06,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-24 02:14:06,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:14:06,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:14:06,576 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:14:06,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:14:06,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1920359218, now seen corresponding path program 1 times [2024-11-24 02:14:06,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:14:06,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352976160] [2024-11-24 02:14:06,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:14:06,577 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 [2024-11-24 02:14:06,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:14:06,579 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:14:06,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:14:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:07,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 02:14:07,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:14:11,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-24 02:14:11,480 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:14:14,471 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:14:14,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352976160] [2024-11-24 02:14:14,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352976160] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:14:14,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [80988979] [2024-11-24 02:14:14,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:14:14,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 02:14:14,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 02:14:14,474 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 02:14:14,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-24 02:14:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:15,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 02:14:15,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:14:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-24 02:14:16,752 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:14:16,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [80988979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:14:16,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:14:16,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-24 02:14:16,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510384457] [2024-11-24 02:14:16,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:14:16,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:14:16,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:14:16,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:14:16,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-24 02:14:16,754 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) [2024-11-24 02:14:19,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:21,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:23,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:26,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:29,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:32,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:33,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:14:33,666 INFO L93 Difference]: Finished difference Result 1052 states and 1540 transitions. [2024-11-24 02:14:33,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:14:33,666 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 [2024-11-24 02:14:33,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:14:33,678 INFO L225 Difference]: With dead ends: 1052 [2024-11-24 02:14:33,678 INFO L226 Difference]: Without dead ends: 622 [2024-11-24 02:14:33,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:14:33,681 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 229 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:14:33,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 387 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2024-11-24 02:14:33,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-11-24 02:14:33,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 608. [2024-11-24 02:14:33,757 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) [2024-11-24 02:14:33,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 889 transitions. [2024-11-24 02:14:33,763 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 889 transitions. Word has length 165 [2024-11-24 02:14:33,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:14:33,764 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 889 transitions. [2024-11-24 02:14:33,764 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) [2024-11-24 02:14:33,765 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 889 transitions. [2024-11-24 02:14:33,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 02:14:33,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:14:33,767 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] [2024-11-24 02:14:33,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:14:33,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-24 02:14:34,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 02:14:34,168 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:14:34,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:14:34,169 INFO L85 PathProgramCache]: Analyzing trace with hash -961129202, now seen corresponding path program 1 times [2024-11-24 02:14:34,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:14:34,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012417676] [2024-11-24 02:14:34,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:14:34,170 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 [2024-11-24 02:14:34,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:14:34,171 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:14:34,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:14:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:34,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 02:14:34,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:14:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-24 02:14:38,580 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:14:39,357 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:14:39,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012417676] [2024-11-24 02:14:39,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012417676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:14:39,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [496686118] [2024-11-24 02:14:39,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:14:39,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 02:14:39,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 02:14:39,360 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 02:14:39,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-24 02:14:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:40,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 02:14:40,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:14:44,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-24 02:14:44,081 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:14:44,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [496686118] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:14:44,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 02:14:44,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2024-11-24 02:14:44,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618140837] [2024-11-24 02:14:44,581 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 02:14:44,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:14:44,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:14:44,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:14:44,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-24 02:14:44,582 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) [2024-11-24 02:14:50,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:52,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:55,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:58,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:15:02,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:15:07,016 WARN L539 Checker$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 [] [2024-11-24 02:15:08,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:15:08,719 INFO L93 Difference]: Finished difference Result 1410 states and 2048 transitions. [2024-11-24 02:15:08,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 02:15:08,720 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 [2024-11-24 02:15:08,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:15:08,727 INFO L225 Difference]: With dead ends: 1410 [2024-11-24 02:15:08,728 INFO L226 Difference]: Without dead ends: 805 [2024-11-24 02:15:08,730 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 [2024-11-24 02:15:08,731 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 274 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 83 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:15:08,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 474 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 546 Invalid, 2 Unknown, 0 Unchecked, 23.4s Time] [2024-11-24 02:15:08,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2024-11-24 02:15:08,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 747. [2024-11-24 02:15:08,801 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) [2024-11-24 02:15:08,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1085 transitions. [2024-11-24 02:15:08,808 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1085 transitions. Word has length 165 [2024-11-24 02:15:08,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:15:08,808 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1085 transitions. [2024-11-24 02:15:08,808 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) [2024-11-24 02:15:08,809 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1085 transitions. [2024-11-24 02:15:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 02:15:08,811 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:15:08,811 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] [2024-11-24 02:15:08,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-24 02:15:09,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:15:09,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:15:09,212 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:15:09,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:15:09,212 INFO L85 PathProgramCache]: Analyzing trace with hash -2036943090, now seen corresponding path program 1 times [2024-11-24 02:15:09,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:15:09,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1938306222] [2024-11-24 02:15:09,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:15:09,213 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 [2024-11-24 02:15:09,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:15:09,216 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:15:09,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:15:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:15:09,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 02:15:09,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:15:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-11-24 02:15:10,452 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:15:11,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-24 02:15:11,145 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:15:11,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1938306222] [2024-11-24 02:15:11,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1938306222] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:15:11,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 02:15:11,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-24 02:15:11,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216163296] [2024-11-24 02:15:11,146 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 02:15:11,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:15:11,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:15:11,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:15:11,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:15:11,148 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) [2024-11-24 02:15:16,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:15:17,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:15:17,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:15:17,572 INFO L93 Difference]: Finished difference Result 1006 states and 1445 transitions. [2024-11-24 02:15:17,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 02:15:17,615 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 [2024-11-24 02:15:17,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:15:17,619 INFO L225 Difference]: With dead ends: 1006 [2024-11-24 02:15:17,620 INFO L226 Difference]: Without dead ends: 389 [2024-11-24 02:15:17,622 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 [2024-11-24 02:15:17,625 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 145 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s 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, 6.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:15:17,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 200 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 141 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-24 02:15:17,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-24 02:15:17,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 317. [2024-11-24 02:15:17,675 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) [2024-11-24 02:15:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 442 transitions. [2024-11-24 02:15:17,680 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 442 transitions. Word has length 165 [2024-11-24 02:15:17,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:15:17,681 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 442 transitions. [2024-11-24 02:15:17,682 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) [2024-11-24 02:15:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 442 transitions. [2024-11-24 02:15:17,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-24 02:15:17,684 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:15:17,684 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] [2024-11-24 02:15:17,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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)] Forceful destruction successful, exit code 0 [2024-11-24 02:15:17,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:15:17,887 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:15:17,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:15:17,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1574013526, now seen corresponding path program 1 times [2024-11-24 02:15:17,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:15:17,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569636370] [2024-11-24 02:15:17,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:15:17,888 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 [2024-11-24 02:15:17,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:15:17,893 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:15:17,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:15:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:15:18,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 02:15:18,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:15:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-24 02:15:19,571 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:15:19,572 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:15:19,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569636370] [2024-11-24 02:15:19,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1569636370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:15:19,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:15:19,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:15:19,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136115988] [2024-11-24 02:15:19,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:15:19,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:15:19,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:15:19,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:15:19,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:15:19,573 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) [2024-11-24 02:15:23,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 02:15:28,096 WARN L539 Checker$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 [] [2024-11-24 02:15:28,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:15:28,097 INFO L93 Difference]: Finished difference Result 507 states and 707 transitions. [2024-11-24 02:15:28,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:15:28,123 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 [2024-11-24 02:15:28,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:15:28,127 INFO L225 Difference]: With dead ends: 507 [2024-11-24 02:15:28,127 INFO L226 Difference]: Without dead ends: 345 [2024-11-24 02:15:28,128 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 [2024-11-24 02:15:28,129 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 98 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s 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, 8.5s IncrementalHoareTripleChecker+Time [2024-11-24 02:15:28,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 339 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2024-11-24 02:15:28,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-24 02:15:28,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 317. [2024-11-24 02:15:28,169 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) [2024-11-24 02:15:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 439 transitions. [2024-11-24 02:15:28,172 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 439 transitions. Word has length 166 [2024-11-24 02:15:28,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:15:28,173 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 439 transitions. [2024-11-24 02:15:28,173 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) [2024-11-24 02:15:28,173 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 439 transitions. [2024-11-24 02:15:28,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-24 02:15:28,175 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:15:28,175 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] [2024-11-24 02:15:28,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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)] Forceful destruction successful, exit code 0 [2024-11-24 02:15:28,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:15:28,376 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:15:28,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:15:28,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1955917919, now seen corresponding path program 1 times [2024-11-24 02:15:28,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:15:28,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497055538] [2024-11-24 02:15:28,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:15:28,377 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 [2024-11-24 02:15:28,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:15:28,379 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 02:15:28,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99bbf6b-a167-4c6a-9b81-d5f2c5178d44/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 02:15:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:15:29,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 02:15:29,035 INFO L279 TraceCheckSpWp]: Computing forward predicates...