./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-15.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_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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_c15e654f-aa44-40c1-b724-3884b243087e/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 944d6be29b18a7b057c10d85533dd285a58675394c7ffcf3e8926ec3db51ce25 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:03:25,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:03:25,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:03:25,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:03:25,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:03:25,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:03:25,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:03:25,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:03:25,962 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:03:25,962 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:03:25,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:03:25,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:03:25,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:03:25,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:03:25,964 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:03:25,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:03:25,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:03:25,965 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:03:25,965 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:03:25,965 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:03:25,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:03:25,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:03:25,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:03:25,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:03:25,966 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:03:25,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:03:25,966 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:03:25,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:03:25,967 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:03:25,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:03:25,967 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:03:25,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:03:25,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:03:25,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:03:25,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:03:25,969 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:03:25,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:03:25,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:03:25,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:03:25,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:03:25,969 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:03:25,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:03:25,969 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:03:25,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:03:25,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:03:25,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:03:25,970 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:03:25,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:03:25,970 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_c15e654f-aa44-40c1-b724-3884b243087e/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 -> 944d6be29b18a7b057c10d85533dd285a58675394c7ffcf3e8926ec3db51ce25 [2024-11-24 00:03:26,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:03:26,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:03:26,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:03:26,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:03:26,333 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:03:26,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-15.i [2024-11-24 00:03:29,559 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/data/7e3d69605/24d907c2036246609a1e6580af0bd5e3/FLAGe000012f2 [2024-11-24 00:03:29,913 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:03:29,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-15.i [2024-11-24 00:03:29,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/data/7e3d69605/24d907c2036246609a1e6580af0bd5e3/FLAGe000012f2 [2024-11-24 00:03:30,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/data/7e3d69605/24d907c2036246609a1e6580af0bd5e3 [2024-11-24 00:03:30,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:03:30,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:03:30,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:03:30,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:03:30,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:03:30,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2045654e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30, skipping insertion in model container [2024-11-24 00:03:30,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:03:30,348 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_c15e654f-aa44-40c1-b724-3884b243087e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-15.i[916,929] [2024-11-24 00:03:30,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:03:30,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:03:30,424 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_c15e654f-aa44-40c1-b724-3884b243087e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-15.i[916,929] [2024-11-24 00:03:30,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:03:30,486 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:03:30,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30 WrapperNode [2024-11-24 00:03:30,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:03:30,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:03:30,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:03:30,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:03:30,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,542 INFO L138 Inliner]: procedures = 29, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 526 [2024-11-24 00:03:30,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:03:30,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:03:30,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:03:30,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:03:30,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,559 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,589 INFO L175 MemorySlicer]: Split 127 memory accesses to 13 slices as follows [2, 11, 10, 6, 14, 9, 14, 10, 5, 8, 14, 14, 10]. 11 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 3, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1]. [2024-11-24 00:03:30,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,629 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:03:30,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:03:30,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:03:30,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:03:30,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (1/1) ... [2024-11-24 00:03:30,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:03:30,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:03:30,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:03:30,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:03:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:03:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-24 00:03:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-24 00:03:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-24 00:03:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-24 00:03:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-24 00:03:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-24 00:03:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-24 00:03:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-24 00:03:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-24 00:03:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-24 00:03:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-24 00:03:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-24 00:03:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-24 00:03:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:03:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:03:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:03:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:03:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:03:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:03:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:03:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:03:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:03:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:03:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:03:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:03:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:03:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-24 00:03:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-24 00:03:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-24 00:03:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-24 00:03:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-24 00:03:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-24 00:03:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-24 00:03:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-24 00:03:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-24 00:03:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-24 00:03:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-24 00:03:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-24 00:03:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-24 00:03:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:03:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:03:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:03:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:03:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:03:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:03:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:03:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-24 00:03:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:03:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:03:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:03:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:03:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:03:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:03:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:03:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:03:30,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:03:31,061 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:03:31,063 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:03:31,908 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-24 00:03:31,908 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:03:31,933 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:03:31,934 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:03:31,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:03:31 BoogieIcfgContainer [2024-11-24 00:03:31,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:03:31,937 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:03:31,937 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:03:31,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:03:31,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:03:30" (1/3) ... [2024-11-24 00:03:31,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eecc7fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:03:31, skipping insertion in model container [2024-11-24 00:03:31,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:30" (2/3) ... [2024-11-24 00:03:31,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eecc7fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:03:31, skipping insertion in model container [2024-11-24 00:03:31,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:03:31" (3/3) ... [2024-11-24 00:03:31,948 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-15.i [2024-11-24 00:03:31,967 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:03:31,971 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-15.i that has 2 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:03:32,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:03:32,078 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;@2286f0ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:03:32,079 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:03:32,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 99 states have internal predecessors, (142), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:03:32,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 00:03:32,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:32,098 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:32,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:32,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:32,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1689509018, now seen corresponding path program 1 times [2024-11-24 00:03:32,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:32,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916960054] [2024-11-24 00:03:32,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:32,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:32,526 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-24 00:03:32,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:32,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916960054] [2024-11-24 00:03:32,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916960054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:03:32,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439463003] [2024-11-24 00:03:32,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:32,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:03:32,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:03:32,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:03:32,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:03:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:32,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:03:32,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:03:33,012 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-24 00:03:33,012 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:03:33,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439463003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:33,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:03:33,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:03:33,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152644941] [2024-11-24 00:03:33,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:33,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:03:33,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:33,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:03:33,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:03:33,054 INFO L87 Difference]: Start difference. First operand has 113 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 99 states have internal predecessors, (142), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:03:33,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:33,126 INFO L93 Difference]: Finished difference Result 219 states and 338 transitions. [2024-11-24 00:03:33,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:03:33,128 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-11-24 00:03:33,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:33,136 INFO L225 Difference]: With dead ends: 219 [2024-11-24 00:03:33,136 INFO L226 Difference]: Without dead ends: 109 [2024-11-24 00:03:33,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 00:03:33,143 INFO L435 NwaCegarLoop]: 157 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, 157 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 00:03:33,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:03:33,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-24 00:03:33,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-24 00:03:33,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:03:33,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2024-11-24 00:03:33,189 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 115 [2024-11-24 00:03:33,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:33,189 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2024-11-24 00:03:33,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:03:33,190 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2024-11-24 00:03:33,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 00:03:33,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:33,193 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:33,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:03:33,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:03:33,398 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:33,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:33,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1781866040, now seen corresponding path program 1 times [2024-11-24 00:03:33,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:33,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169054342] [2024-11-24 00:03:33,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:33,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:33,785 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:33,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:33,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169054342] [2024-11-24 00:03:33,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169054342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:33,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:33,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:03:33,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046802780] [2024-11-24 00:03:33,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:33,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:03:33,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:33,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:03:33,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:03:33,788 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:33,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:33,835 INFO L93 Difference]: Finished difference Result 216 states and 313 transitions. [2024-11-24 00:03:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:03:33,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-11-24 00:03:33,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:33,840 INFO L225 Difference]: With dead ends: 216 [2024-11-24 00:03:33,840 INFO L226 Difference]: Without dead ends: 110 [2024-11-24 00:03:33,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:03:33,842 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:33,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 306 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:03:33,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-24 00:03:33,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-24 00:03:33,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 96 states have internal predecessors, (134), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:03:33,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2024-11-24 00:03:33,860 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 115 [2024-11-24 00:03:33,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:33,861 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2024-11-24 00:03:33,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:33,862 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2024-11-24 00:03:33,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 00:03:33,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:33,865 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:33,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:03:33,865 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:33,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:33,866 INFO L85 PathProgramCache]: Analyzing trace with hash 824157514, now seen corresponding path program 1 times [2024-11-24 00:03:33,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:33,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846948874] [2024-11-24 00:03:33,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:33,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:34,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:34,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846948874] [2024-11-24 00:03:34,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846948874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:34,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:34,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:03:34,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732495838] [2024-11-24 00:03:34,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:34,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:03:34,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:34,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:03:34,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:03:34,068 INFO L87 Difference]: Start difference. First operand 110 states and 158 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:34,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:34,134 INFO L93 Difference]: Finished difference Result 218 states and 315 transitions. [2024-11-24 00:03:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:03:34,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-11-24 00:03:34,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:34,136 INFO L225 Difference]: With dead ends: 218 [2024-11-24 00:03:34,136 INFO L226 Difference]: Without dead ends: 111 [2024-11-24 00:03:34,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:03:34,138 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:34,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 306 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:03:34,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-24 00:03:34,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-24 00:03:34,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:03:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2024-11-24 00:03:34,161 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 115 [2024-11-24 00:03:34,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:34,162 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2024-11-24 00:03:34,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:34,162 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2024-11-24 00:03:34,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 00:03:34,164 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:34,164 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:34,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:03:34,164 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:34,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:34,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1082322952, now seen corresponding path program 1 times [2024-11-24 00:03:34,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:34,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059426527] [2024-11-24 00:03:34,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:34,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:34,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:34,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059426527] [2024-11-24 00:03:34,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059426527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:34,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:34,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:03:34,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071157983] [2024-11-24 00:03:34,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:34,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:03:34,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:34,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:03:34,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:03:34,987 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:35,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:35,152 INFO L93 Difference]: Finished difference Result 277 states and 394 transitions. [2024-11-24 00:03:35,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:03:35,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-11-24 00:03:35,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:35,155 INFO L225 Difference]: With dead ends: 277 [2024-11-24 00:03:35,155 INFO L226 Difference]: Without dead ends: 169 [2024-11-24 00:03:35,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:03:35,157 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 70 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:35,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 697 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:03:35,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-24 00:03:35,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 166. [2024-11-24 00:03:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 147 states have (on average 1.380952380952381) internal successors, (203), 148 states have internal predecessors, (203), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-24 00:03:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 235 transitions. [2024-11-24 00:03:35,182 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 235 transitions. Word has length 115 [2024-11-24 00:03:35,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:35,183 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 235 transitions. [2024-11-24 00:03:35,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 235 transitions. [2024-11-24 00:03:35,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 00:03:35,186 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:35,186 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:35,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:03:35,186 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:35,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:35,187 INFO L85 PathProgramCache]: Analyzing trace with hash -2020712248, now seen corresponding path program 1 times [2024-11-24 00:03:35,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:35,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222611509] [2024-11-24 00:03:35,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:35,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:35,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:35,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222611509] [2024-11-24 00:03:35,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222611509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:35,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:35,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:03:35,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262952109] [2024-11-24 00:03:35,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:35,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:03:35,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:35,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:03:35,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:03:35,679 INFO L87 Difference]: Start difference. First operand 166 states and 235 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:35,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:35,796 INFO L93 Difference]: Finished difference Result 427 states and 606 transitions. [2024-11-24 00:03:35,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:03:35,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 116 [2024-11-24 00:03:35,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:35,803 INFO L225 Difference]: With dead ends: 427 [2024-11-24 00:03:35,803 INFO L226 Difference]: Without dead ends: 264 [2024-11-24 00:03:35,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:03:35,808 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 75 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:35,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 777 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:03:35,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-24 00:03:35,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 168. [2024-11-24 00:03:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 149 states have (on average 1.3758389261744965) internal successors, (205), 150 states have internal predecessors, (205), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-24 00:03:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 237 transitions. [2024-11-24 00:03:35,853 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 237 transitions. Word has length 116 [2024-11-24 00:03:35,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:35,854 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 237 transitions. [2024-11-24 00:03:35,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:35,855 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 237 transitions. [2024-11-24 00:03:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 00:03:35,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:35,857 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:35,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:03:35,857 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:35,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:35,858 INFO L85 PathProgramCache]: Analyzing trace with hash 294809021, now seen corresponding path program 1 times [2024-11-24 00:03:35,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:35,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4411991] [2024-11-24 00:03:35,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:35,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:36,389 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:36,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:36,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4411991] [2024-11-24 00:03:36,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4411991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:36,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:36,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:03:36,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372717294] [2024-11-24 00:03:36,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:36,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:03:36,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:36,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:03:36,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:03:36,393 INFO L87 Difference]: Start difference. First operand 168 states and 237 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:36,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:36,492 INFO L93 Difference]: Finished difference Result 428 states and 606 transitions. [2024-11-24 00:03:36,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:03:36,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 116 [2024-11-24 00:03:36,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:36,495 INFO L225 Difference]: With dead ends: 428 [2024-11-24 00:03:36,496 INFO L226 Difference]: Without dead ends: 263 [2024-11-24 00:03:36,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:03:36,497 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 72 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:36,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 598 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:03:36,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-24 00:03:36,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 172. [2024-11-24 00:03:36,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 153 states have (on average 1.3725490196078431) internal successors, (210), 154 states have internal predecessors, (210), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-24 00:03:36,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 242 transitions. [2024-11-24 00:03:36,518 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 242 transitions. Word has length 116 [2024-11-24 00:03:36,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:36,519 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 242 transitions. [2024-11-24 00:03:36,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:36,519 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2024-11-24 00:03:36,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 00:03:36,520 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:36,520 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:36,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:03:36,521 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:36,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:36,521 INFO L85 PathProgramCache]: Analyzing trace with hash -522839429, now seen corresponding path program 1 times [2024-11-24 00:03:36,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:36,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369505491] [2024-11-24 00:03:36,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:36,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:37,141 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:37,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:37,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369505491] [2024-11-24 00:03:37,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369505491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:37,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:37,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:03:37,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799763152] [2024-11-24 00:03:37,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:37,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:03:37,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:37,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:03:37,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:03:37,148 INFO L87 Difference]: Start difference. First operand 172 states and 242 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:37,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:37,416 INFO L93 Difference]: Finished difference Result 519 states and 734 transitions. [2024-11-24 00:03:37,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:03:37,417 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 116 [2024-11-24 00:03:37,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:37,420 INFO L225 Difference]: With dead ends: 519 [2024-11-24 00:03:37,422 INFO L226 Difference]: Without dead ends: 350 [2024-11-24 00:03:37,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:03:37,424 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 176 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:37,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 720 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:03:37,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-24 00:03:37,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 324. [2024-11-24 00:03:37,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 287 states have (on average 1.3797909407665505) internal successors, (396), 289 states have internal predecessors, (396), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 00:03:37,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 460 transitions. [2024-11-24 00:03:37,468 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 460 transitions. Word has length 116 [2024-11-24 00:03:37,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:37,469 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 460 transitions. [2024-11-24 00:03:37,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 460 transitions. [2024-11-24 00:03:37,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-24 00:03:37,472 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:37,473 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:37,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:03:37,473 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:37,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:37,474 INFO L85 PathProgramCache]: Analyzing trace with hash 886238599, now seen corresponding path program 1 times [2024-11-24 00:03:37,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:37,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573380104] [2024-11-24 00:03:37,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:37,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:37,965 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:37,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:37,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573380104] [2024-11-24 00:03:37,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573380104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:37,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:37,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:03:37,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696621104] [2024-11-24 00:03:37,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:37,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:03:37,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:37,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:03:37,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:03:37,970 INFO L87 Difference]: Start difference. First operand 324 states and 460 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:38,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:38,097 INFO L93 Difference]: Finished difference Result 775 states and 1101 transitions. [2024-11-24 00:03:38,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:03:38,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 117 [2024-11-24 00:03:38,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:38,103 INFO L225 Difference]: With dead ends: 775 [2024-11-24 00:03:38,106 INFO L226 Difference]: Without dead ends: 454 [2024-11-24 00:03:38,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:03:38,108 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 64 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:38,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 628 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:03:38,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-24 00:03:38,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 351. [2024-11-24 00:03:38,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 314 states have (on average 1.3853503184713376) internal successors, (435), 316 states have internal predecessors, (435), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 00:03:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 499 transitions. [2024-11-24 00:03:38,152 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 499 transitions. Word has length 117 [2024-11-24 00:03:38,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:38,153 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 499 transitions. [2024-11-24 00:03:38,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:38,153 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 499 transitions. [2024-11-24 00:03:38,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-24 00:03:38,155 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:38,156 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:38,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:03:38,156 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:38,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:38,157 INFO L85 PathProgramCache]: Analyzing trace with hash -124878651, now seen corresponding path program 1 times [2024-11-24 00:03:38,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:38,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125315813] [2024-11-24 00:03:38,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:38,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:38,670 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:38,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:38,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125315813] [2024-11-24 00:03:38,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125315813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:38,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:38,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:03:38,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148017487] [2024-11-24 00:03:38,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:38,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:03:38,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:38,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:03:38,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:03:38,673 INFO L87 Difference]: Start difference. First operand 351 states and 499 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:38,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:38,863 INFO L93 Difference]: Finished difference Result 834 states and 1183 transitions. [2024-11-24 00:03:38,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:03:38,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 117 [2024-11-24 00:03:38,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:38,867 INFO L225 Difference]: With dead ends: 834 [2024-11-24 00:03:38,867 INFO L226 Difference]: Without dead ends: 466 [2024-11-24 00:03:38,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:03:38,869 INFO L435 NwaCegarLoop]: 277 mSDtfsCounter, 267 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:38,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 692 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:03:38,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-24 00:03:38,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 456. [2024-11-24 00:03:38,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 405 states have (on average 1.3753086419753087) internal successors, (557), 407 states have internal predecessors, (557), 44 states have call successors, (44), 6 states have call predecessors, (44), 6 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-24 00:03:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 645 transitions. [2024-11-24 00:03:38,902 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 645 transitions. Word has length 117 [2024-11-24 00:03:38,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:38,903 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 645 transitions. [2024-11-24 00:03:38,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:38,903 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 645 transitions. [2024-11-24 00:03:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 00:03:38,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:38,906 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:38,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:03:38,906 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:38,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:38,906 INFO L85 PathProgramCache]: Analyzing trace with hash 567211757, now seen corresponding path program 1 times [2024-11-24 00:03:38,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:38,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160795775] [2024-11-24 00:03:38,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:38,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:39,343 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:39,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:39,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160795775] [2024-11-24 00:03:39,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160795775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:39,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:39,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:03:39,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001215021] [2024-11-24 00:03:39,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:39,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:03:39,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:39,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:03:39,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:03:39,347 INFO L87 Difference]: Start difference. First operand 456 states and 645 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:39,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:39,475 INFO L93 Difference]: Finished difference Result 999 states and 1410 transitions. [2024-11-24 00:03:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:03:39,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-24 00:03:39,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:39,479 INFO L225 Difference]: With dead ends: 999 [2024-11-24 00:03:39,479 INFO L226 Difference]: Without dead ends: 546 [2024-11-24 00:03:39,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:03:39,481 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 62 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:39,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 752 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:03:39,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-11-24 00:03:39,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 452. [2024-11-24 00:03:39,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 401 states have (on average 1.3615960099750624) internal successors, (546), 403 states have internal predecessors, (546), 44 states have call successors, (44), 6 states have call predecessors, (44), 6 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-24 00:03:39,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 634 transitions. [2024-11-24 00:03:39,513 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 634 transitions. Word has length 118 [2024-11-24 00:03:39,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:39,514 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 634 transitions. [2024-11-24 00:03:39,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:39,514 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 634 transitions. [2024-11-24 00:03:39,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 00:03:39,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:39,516 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:39,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:03:39,517 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:39,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:39,517 INFO L85 PathProgramCache]: Analyzing trace with hash 440617165, now seen corresponding path program 1 times [2024-11-24 00:03:39,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:39,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642558139] [2024-11-24 00:03:39,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:39,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:39,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:39,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642558139] [2024-11-24 00:03:39,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642558139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:39,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:39,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:03:39,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40086117] [2024-11-24 00:03:39,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:39,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:03:39,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:39,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:03:39,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:03:39,908 INFO L87 Difference]: Start difference. First operand 452 states and 634 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:40,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:40,116 INFO L93 Difference]: Finished difference Result 1131 states and 1594 transitions. [2024-11-24 00:03:40,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:03:40,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-24 00:03:40,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:40,122 INFO L225 Difference]: With dead ends: 1131 [2024-11-24 00:03:40,122 INFO L226 Difference]: Without dead ends: 682 [2024-11-24 00:03:40,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:03:40,124 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 146 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:40,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1250 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:03:40,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-24 00:03:40,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 680. [2024-11-24 00:03:40,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 603 states have (on average 1.3665008291873963) internal successors, (824), 605 states have internal predecessors, (824), 68 states have call successors, (68), 8 states have call predecessors, (68), 8 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-24 00:03:40,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 960 transitions. [2024-11-24 00:03:40,182 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 960 transitions. Word has length 118 [2024-11-24 00:03:40,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:40,184 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 960 transitions. [2024-11-24 00:03:40,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 960 transitions. [2024-11-24 00:03:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 00:03:40,187 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:40,187 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:40,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:03:40,188 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:40,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:40,189 INFO L85 PathProgramCache]: Analyzing trace with hash 740788823, now seen corresponding path program 1 times [2024-11-24 00:03:40,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:40,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228366481] [2024-11-24 00:03:40,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:40,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:40,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:40,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228366481] [2024-11-24 00:03:40,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228366481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:40,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:40,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:03:40,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644044784] [2024-11-24 00:03:40,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:40,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:03:40,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:40,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:03:40,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:03:40,581 INFO L87 Difference]: Start difference. First operand 680 states and 960 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:40,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:40,688 INFO L93 Difference]: Finished difference Result 1316 states and 1854 transitions. [2024-11-24 00:03:40,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:03:40,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 119 [2024-11-24 00:03:40,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:40,692 INFO L225 Difference]: With dead ends: 1316 [2024-11-24 00:03:40,693 INFO L226 Difference]: Without dead ends: 639 [2024-11-24 00:03:40,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:03:40,695 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 68 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:40,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 751 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:03:40,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2024-11-24 00:03:40,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 635. [2024-11-24 00:03:40,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 558 states have (on average 1.3548387096774193) internal successors, (756), 560 states have internal predecessors, (756), 68 states have call successors, (68), 8 states have call predecessors, (68), 8 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-24 00:03:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 892 transitions. [2024-11-24 00:03:40,757 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 892 transitions. Word has length 119 [2024-11-24 00:03:40,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:40,757 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 892 transitions. [2024-11-24 00:03:40,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:40,757 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 892 transitions. [2024-11-24 00:03:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 00:03:40,759 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:40,759 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:40,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:03:40,760 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:40,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:40,761 INFO L85 PathProgramCache]: Analyzing trace with hash -191622416, now seen corresponding path program 1 times [2024-11-24 00:03:40,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:40,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33100310] [2024-11-24 00:03:40,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:40,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:41,704 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:41,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:41,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33100310] [2024-11-24 00:03:41,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33100310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:41,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:41,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 00:03:41,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415733254] [2024-11-24 00:03:41,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:41,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:03:41,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:41,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:03:41,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:03:41,706 INFO L87 Difference]: Start difference. First operand 635 states and 892 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:43,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:43,482 INFO L93 Difference]: Finished difference Result 2882 states and 4039 transitions. [2024-11-24 00:03:43,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-24 00:03:43,483 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 119 [2024-11-24 00:03:43,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:43,497 INFO L225 Difference]: With dead ends: 2882 [2024-11-24 00:03:43,497 INFO L226 Difference]: Without dead ends: 2250 [2024-11-24 00:03:43,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2024-11-24 00:03:43,500 INFO L435 NwaCegarLoop]: 458 mSDtfsCounter, 816 mSDsluCounter, 2114 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:43,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 2572 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 00:03:43,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2250 states. [2024-11-24 00:03:43,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2250 to 1311. [2024-11-24 00:03:43,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1158 states have (on average 1.354922279792746) internal successors, (1569), 1162 states have internal predecessors, (1569), 136 states have call successors, (136), 16 states have call predecessors, (136), 16 states have return successors, (136), 132 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-24 00:03:43,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1841 transitions. [2024-11-24 00:03:43,686 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1841 transitions. Word has length 119 [2024-11-24 00:03:43,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:43,686 INFO L471 AbstractCegarLoop]: Abstraction has 1311 states and 1841 transitions. [2024-11-24 00:03:43,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:43,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1841 transitions. [2024-11-24 00:03:43,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 00:03:43,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:43,689 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:43,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:03:43,689 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:43,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:43,690 INFO L85 PathProgramCache]: Analyzing trace with hash -701095506, now seen corresponding path program 1 times [2024-11-24 00:03:43,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:43,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374742554] [2024-11-24 00:03:43,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:43,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:44,376 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:44,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:44,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374742554] [2024-11-24 00:03:44,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374742554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:44,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:44,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:03:44,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973083652] [2024-11-24 00:03:44,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:44,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:03:44,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:44,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:03:44,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:03:44,378 INFO L87 Difference]: Start difference. First operand 1311 states and 1841 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:44,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:44,819 INFO L93 Difference]: Finished difference Result 2960 states and 4167 transitions. [2024-11-24 00:03:44,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:03:44,820 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 119 [2024-11-24 00:03:44,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:44,829 INFO L225 Difference]: With dead ends: 2960 [2024-11-24 00:03:44,829 INFO L226 Difference]: Without dead ends: 1652 [2024-11-24 00:03:44,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:03:44,833 INFO L435 NwaCegarLoop]: 288 mSDtfsCounter, 141 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:44,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1229 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:03:44,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2024-11-24 00:03:44,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 773. [2024-11-24 00:03:44,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 686 states have (on average 1.3411078717201166) internal successors, (920), 690 states have internal predecessors, (920), 76 states have call successors, (76), 10 states have call predecessors, (76), 10 states have return successors, (76), 72 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-24 00:03:44,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1072 transitions. [2024-11-24 00:03:44,985 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1072 transitions. Word has length 119 [2024-11-24 00:03:44,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:44,986 INFO L471 AbstractCegarLoop]: Abstraction has 773 states and 1072 transitions. [2024-11-24 00:03:44,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:44,986 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1072 transitions. [2024-11-24 00:03:44,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 00:03:44,989 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:44,989 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:44,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:03:44,989 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:44,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:44,990 INFO L85 PathProgramCache]: Analyzing trace with hash 554106194, now seen corresponding path program 1 times [2024-11-24 00:03:44,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:44,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364698603] [2024-11-24 00:03:44,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:44,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:45,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:45,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364698603] [2024-11-24 00:03:45,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364698603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:45,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:45,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 00:03:45,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62835196] [2024-11-24 00:03:45,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:45,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:03:45,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:45,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:03:45,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:03:45,746 INFO L87 Difference]: Start difference. First operand 773 states and 1072 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:47,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:47,565 INFO L93 Difference]: Finished difference Result 2830 states and 3925 transitions. [2024-11-24 00:03:47,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-24 00:03:47,566 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 120 [2024-11-24 00:03:47,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:47,578 INFO L225 Difference]: With dead ends: 2830 [2024-11-24 00:03:47,578 INFO L226 Difference]: Without dead ends: 2039 [2024-11-24 00:03:47,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2024-11-24 00:03:47,583 INFO L435 NwaCegarLoop]: 431 mSDtfsCounter, 841 mSDsluCounter, 2391 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 2822 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:47,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 2822 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 00:03:47,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2039 states. [2024-11-24 00:03:47,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2039 to 1226. [2024-11-24 00:03:47,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 1090 states have (on average 1.3422018348623854) internal successors, (1463), 1096 states have internal predecessors, (1463), 120 states have call successors, (120), 15 states have call predecessors, (120), 15 states have return successors, (120), 114 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-24 00:03:47,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1703 transitions. [2024-11-24 00:03:47,810 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1703 transitions. Word has length 120 [2024-11-24 00:03:47,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:47,810 INFO L471 AbstractCegarLoop]: Abstraction has 1226 states and 1703 transitions. [2024-11-24 00:03:47,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:47,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1703 transitions. [2024-11-24 00:03:47,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 00:03:47,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:47,814 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:47,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 00:03:47,815 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:47,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:47,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1940309588, now seen corresponding path program 1 times [2024-11-24 00:03:47,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:47,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777147157] [2024-11-24 00:03:47,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:47,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:48,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:48,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777147157] [2024-11-24 00:03:48,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777147157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:48,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:48,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:03:48,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073514493] [2024-11-24 00:03:48,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:48,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:03:48,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:48,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:03:48,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:03:48,434 INFO L87 Difference]: Start difference. First operand 1226 states and 1703 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:48,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:48,900 INFO L93 Difference]: Finished difference Result 2767 states and 3860 transitions. [2024-11-24 00:03:48,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:03:48,901 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 120 [2024-11-24 00:03:48,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:48,910 INFO L225 Difference]: With dead ends: 2767 [2024-11-24 00:03:48,910 INFO L226 Difference]: Without dead ends: 1544 [2024-11-24 00:03:48,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:03:48,914 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 138 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:48,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 852 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:03:48,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2024-11-24 00:03:49,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1194. [2024-11-24 00:03:49,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1058 states have (on average 1.337429111531191) internal successors, (1415), 1064 states have internal predecessors, (1415), 120 states have call successors, (120), 15 states have call predecessors, (120), 15 states have return successors, (120), 114 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-24 00:03:49,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1655 transitions. [2024-11-24 00:03:49,088 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1655 transitions. Word has length 120 [2024-11-24 00:03:49,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:49,089 INFO L471 AbstractCegarLoop]: Abstraction has 1194 states and 1655 transitions. [2024-11-24 00:03:49,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:49,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1655 transitions. [2024-11-24 00:03:49,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 00:03:49,092 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:49,092 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:49,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 00:03:49,092 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:49,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:49,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1437742411, now seen corresponding path program 1 times [2024-11-24 00:03:49,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:49,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402076525] [2024-11-24 00:03:49,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:49,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:49,490 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:49,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:49,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402076525] [2024-11-24 00:03:49,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402076525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:49,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:49,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:03:49,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633253283] [2024-11-24 00:03:49,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:49,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:03:49,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:49,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:03:49,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:03:49,492 INFO L87 Difference]: Start difference. First operand 1194 states and 1655 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:49,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:49,859 INFO L93 Difference]: Finished difference Result 2417 states and 3344 transitions. [2024-11-24 00:03:49,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 00:03:49,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 121 [2024-11-24 00:03:49,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:49,866 INFO L225 Difference]: With dead ends: 2417 [2024-11-24 00:03:49,867 INFO L226 Difference]: Without dead ends: 1226 [2024-11-24 00:03:49,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:03:49,870 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 64 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:49,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1123 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:03:49,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2024-11-24 00:03:50,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1206. [2024-11-24 00:03:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1206 states, 1070 states have (on average 1.32803738317757) internal successors, (1421), 1076 states have internal predecessors, (1421), 120 states have call successors, (120), 15 states have call predecessors, (120), 15 states have return successors, (120), 114 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-24 00:03:50,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1661 transitions. [2024-11-24 00:03:50,017 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1661 transitions. Word has length 121 [2024-11-24 00:03:50,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:50,018 INFO L471 AbstractCegarLoop]: Abstraction has 1206 states and 1661 transitions. [2024-11-24 00:03:50,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:50,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1661 transitions. [2024-11-24 00:03:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 00:03:50,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:50,021 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:50,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 00:03:50,021 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:50,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:50,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1218887693, now seen corresponding path program 1 times [2024-11-24 00:03:50,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:50,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089918056] [2024-11-24 00:03:50,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:50,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:50,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:50,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089918056] [2024-11-24 00:03:50,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089918056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:50,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:50,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 00:03:50,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781564870] [2024-11-24 00:03:50,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:50,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:03:50,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:50,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:03:50,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:03:50,547 INFO L87 Difference]: Start difference. First operand 1206 states and 1661 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-24 00:03:50,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:50,959 INFO L93 Difference]: Finished difference Result 2543 states and 3488 transitions. [2024-11-24 00:03:50,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:03:50,960 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 121 [2024-11-24 00:03:50,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:50,967 INFO L225 Difference]: With dead ends: 2543 [2024-11-24 00:03:50,967 INFO L226 Difference]: Without dead ends: 1340 [2024-11-24 00:03:50,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:03:50,970 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 206 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:50,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 865 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:03:50,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-11-24 00:03:51,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1334. [2024-11-24 00:03:51,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1334 states, 1184 states have (on average 1.3201013513513513) internal successors, (1563), 1194 states have internal predecessors, (1563), 128 states have call successors, (128), 21 states have call predecessors, (128), 21 states have return successors, (128), 118 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-24 00:03:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1819 transitions. [2024-11-24 00:03:51,130 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1819 transitions. Word has length 121 [2024-11-24 00:03:51,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:51,131 INFO L471 AbstractCegarLoop]: Abstraction has 1334 states and 1819 transitions. [2024-11-24 00:03:51,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-24 00:03:51,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1819 transitions. [2024-11-24 00:03:51,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 00:03:51,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:51,135 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:51,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 00:03:51,135 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:51,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:51,136 INFO L85 PathProgramCache]: Analyzing trace with hash 2054012743, now seen corresponding path program 1 times [2024-11-24 00:03:51,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:51,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289528287] [2024-11-24 00:03:51,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:51,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:51,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:51,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289528287] [2024-11-24 00:03:51,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289528287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:51,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:51,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:03:51,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88114121] [2024-11-24 00:03:51,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:51,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:03:51,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:51,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:03:51,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:03:51,410 INFO L87 Difference]: Start difference. First operand 1334 states and 1819 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:51,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:51,631 INFO L93 Difference]: Finished difference Result 2639 states and 3608 transitions. [2024-11-24 00:03:51,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:03:51,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 121 [2024-11-24 00:03:51,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:51,640 INFO L225 Difference]: With dead ends: 2639 [2024-11-24 00:03:51,640 INFO L226 Difference]: Without dead ends: 1308 [2024-11-24 00:03:51,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:03:51,644 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 54 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:51,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 591 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:03:51,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2024-11-24 00:03:51,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1304. [2024-11-24 00:03:51,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1304 states, 1154 states have (on average 1.315424610051993) internal successors, (1518), 1164 states have internal predecessors, (1518), 128 states have call successors, (128), 21 states have call predecessors, (128), 21 states have return successors, (128), 118 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-24 00:03:51,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1774 transitions. [2024-11-24 00:03:51,810 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1774 transitions. Word has length 121 [2024-11-24 00:03:51,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:51,811 INFO L471 AbstractCegarLoop]: Abstraction has 1304 states and 1774 transitions. [2024-11-24 00:03:51,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:51,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1774 transitions. [2024-11-24 00:03:51,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 00:03:51,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:51,814 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:51,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 00:03:51,814 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:51,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:51,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1840524674, now seen corresponding path program 1 times [2024-11-24 00:03:51,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:51,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830549971] [2024-11-24 00:03:51,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:51,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:52,035 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:52,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:52,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830549971] [2024-11-24 00:03:52,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830549971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:52,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:52,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:03:52,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408861235] [2024-11-24 00:03:52,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:52,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:03:52,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:52,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:03:52,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:03:52,037 INFO L87 Difference]: Start difference. First operand 1304 states and 1774 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:52,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:52,214 INFO L93 Difference]: Finished difference Result 1805 states and 2453 transitions. [2024-11-24 00:03:52,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:03:52,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 121 [2024-11-24 00:03:52,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:52,221 INFO L225 Difference]: With dead ends: 1805 [2024-11-24 00:03:52,221 INFO L226 Difference]: Without dead ends: 950 [2024-11-24 00:03:52,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:03:52,227 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 65 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:52,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 579 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:03:52,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-11-24 00:03:52,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 946. [2024-11-24 00:03:52,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 836 states have (on average 1.3074162679425838) internal successors, (1093), 843 states have internal predecessors, (1093), 94 states have call successors, (94), 15 states have call predecessors, (94), 15 states have return successors, (94), 87 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-24 00:03:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1281 transitions. [2024-11-24 00:03:52,334 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1281 transitions. Word has length 121 [2024-11-24 00:03:52,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:52,334 INFO L471 AbstractCegarLoop]: Abstraction has 946 states and 1281 transitions. [2024-11-24 00:03:52,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1281 transitions. [2024-11-24 00:03:52,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 00:03:52,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:52,337 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:52,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 00:03:52,337 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:52,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:52,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1203699491, now seen corresponding path program 1 times [2024-11-24 00:03:52,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:52,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839221268] [2024-11-24 00:03:52,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:52,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:53,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:53,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839221268] [2024-11-24 00:03:53,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839221268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:53,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:53,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 00:03:53,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836482156] [2024-11-24 00:03:53,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:53,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 00:03:53,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:53,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 00:03:53,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:03:53,741 INFO L87 Difference]: Start difference. First operand 946 states and 1281 transitions. Second operand has 11 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-24 00:03:54,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:54,753 INFO L93 Difference]: Finished difference Result 2025 states and 2735 transitions. [2024-11-24 00:03:54,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 00:03:54,753 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 122 [2024-11-24 00:03:54,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:54,760 INFO L225 Difference]: With dead ends: 2025 [2024-11-24 00:03:54,760 INFO L226 Difference]: Without dead ends: 1082 [2024-11-24 00:03:54,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:03:54,763 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 469 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:54,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 1220 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:03:54,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2024-11-24 00:03:54,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 946. [2024-11-24 00:03:54,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 836 states have (on average 1.3038277511961722) internal successors, (1090), 843 states have internal predecessors, (1090), 94 states have call successors, (94), 15 states have call predecessors, (94), 15 states have return successors, (94), 87 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-24 00:03:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1278 transitions. [2024-11-24 00:03:54,880 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1278 transitions. Word has length 122 [2024-11-24 00:03:54,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:54,880 INFO L471 AbstractCegarLoop]: Abstraction has 946 states and 1278 transitions. [2024-11-24 00:03:54,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-24 00:03:54,880 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1278 transitions. [2024-11-24 00:03:54,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 00:03:54,882 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:54,883 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:54,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 00:03:54,883 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:54,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:54,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1904764069, now seen corresponding path program 1 times [2024-11-24 00:03:54,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:54,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830393216] [2024-11-24 00:03:54,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:54,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:55,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:55,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830393216] [2024-11-24 00:03:55,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830393216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:55,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:55,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 00:03:55,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966224967] [2024-11-24 00:03:55,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:55,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 00:03:55,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:55,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 00:03:55,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:03:55,720 INFO L87 Difference]: Start difference. First operand 946 states and 1278 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:56,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:56,504 INFO L93 Difference]: Finished difference Result 2027 states and 2731 transitions. [2024-11-24 00:03:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 00:03:56,509 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 122 [2024-11-24 00:03:56,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:56,514 INFO L225 Difference]: With dead ends: 2027 [2024-11-24 00:03:56,515 INFO L226 Difference]: Without dead ends: 1084 [2024-11-24 00:03:56,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2024-11-24 00:03:56,520 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 416 mSDsluCounter, 1652 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:56,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 1883 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:03:56,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2024-11-24 00:03:56,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 946. [2024-11-24 00:03:56,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 836 states have (on average 1.3002392344497609) internal successors, (1087), 843 states have internal predecessors, (1087), 94 states have call successors, (94), 15 states have call predecessors, (94), 15 states have return successors, (94), 87 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-24 00:03:56,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1275 transitions. [2024-11-24 00:03:56,644 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1275 transitions. Word has length 122 [2024-11-24 00:03:56,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:56,645 INFO L471 AbstractCegarLoop]: Abstraction has 946 states and 1275 transitions. [2024-11-24 00:03:56,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:56,645 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1275 transitions. [2024-11-24 00:03:56,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 00:03:56,648 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:56,648 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:56,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 00:03:56,648 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:56,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:56,649 INFO L85 PathProgramCache]: Analyzing trace with hash -502099617, now seen corresponding path program 1 times [2024-11-24 00:03:56,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:56,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521265636] [2024-11-24 00:03:56,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:56,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:57,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:57,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521265636] [2024-11-24 00:03:57,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521265636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:57,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:57,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 00:03:57,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253418220] [2024-11-24 00:03:57,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:57,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:03:57,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:57,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:03:57,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:03:57,517 INFO L87 Difference]: Start difference. First operand 946 states and 1275 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:58,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:58,145 INFO L93 Difference]: Finished difference Result 2165 states and 2898 transitions. [2024-11-24 00:03:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 00:03:58,146 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 122 [2024-11-24 00:03:58,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:58,153 INFO L225 Difference]: With dead ends: 2165 [2024-11-24 00:03:58,153 INFO L226 Difference]: Without dead ends: 1222 [2024-11-24 00:03:58,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:03:58,156 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 74 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1706 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:58,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1706 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:03:58,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2024-11-24 00:03:58,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1217. [2024-11-24 00:03:58,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 1076 states have (on average 1.2815985130111525) internal successors, (1379), 1088 states have internal predecessors, (1379), 118 states have call successors, (118), 22 states have call predecessors, (118), 22 states have return successors, (118), 106 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-24 00:03:58,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1615 transitions. [2024-11-24 00:03:58,319 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1615 transitions. Word has length 122 [2024-11-24 00:03:58,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:58,320 INFO L471 AbstractCegarLoop]: Abstraction has 1217 states and 1615 transitions. [2024-11-24 00:03:58,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:58,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1615 transitions. [2024-11-24 00:03:58,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 00:03:58,322 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:58,322 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:58,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-24 00:03:58,322 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:58,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:58,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1203164195, now seen corresponding path program 1 times [2024-11-24 00:03:58,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:58,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032429728] [2024-11-24 00:03:58,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:58,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:58,553 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:03:58,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:58,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032429728] [2024-11-24 00:03:58,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032429728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:58,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:58,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:03:58,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781491771] [2024-11-24 00:03:58,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:58,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:03:58,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:58,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:03:58,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:03:58,557 INFO L87 Difference]: Start difference. First operand 1217 states and 1615 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:58,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:58,808 INFO L93 Difference]: Finished difference Result 2388 states and 3171 transitions. [2024-11-24 00:03:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:03:58,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 122 [2024-11-24 00:03:58,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:58,816 INFO L225 Difference]: With dead ends: 2388 [2024-11-24 00:03:58,817 INFO L226 Difference]: Without dead ends: 1191 [2024-11-24 00:03:58,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:03:58,820 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 44 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:58,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 755 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:03:58,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2024-11-24 00:03:58,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1189. [2024-11-24 00:03:58,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1048 states have (on average 1.275763358778626) internal successors, (1337), 1060 states have internal predecessors, (1337), 118 states have call successors, (118), 22 states have call predecessors, (118), 22 states have return successors, (118), 106 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-24 00:03:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1573 transitions. [2024-11-24 00:03:58,977 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1573 transitions. Word has length 122 [2024-11-24 00:03:58,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:58,979 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1573 transitions. [2024-11-24 00:03:58,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:03:58,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1573 transitions. [2024-11-24 00:03:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:03:58,981 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:58,981 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:03:58,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 00:03:58,982 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:58,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:58,983 INFO L85 PathProgramCache]: Analyzing trace with hash 665413722, now seen corresponding path program 1 times [2024-11-24 00:03:58,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:58,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213437199] [2024-11-24 00:03:58,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:58,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:00,111 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:00,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:00,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213437199] [2024-11-24 00:04:00,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213437199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:00,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:00,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-24 00:04:00,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608765056] [2024-11-24 00:04:00,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:00,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-24 00:04:00,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:00,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-24 00:04:00,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:04:00,114 INFO L87 Difference]: Start difference. First operand 1189 states and 1573 transitions. Second operand has 15 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 00:04:01,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:01,007 INFO L93 Difference]: Finished difference Result 1919 states and 2538 transitions. [2024-11-24 00:04:01,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:04:01,008 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 124 [2024-11-24 00:04:01,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:01,019 INFO L225 Difference]: With dead ends: 1919 [2024-11-24 00:04:01,021 INFO L226 Difference]: Without dead ends: 1200 [2024-11-24 00:04:01,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:04:01,023 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 416 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:01,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 1435 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:04:01,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2024-11-24 00:04:01,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1198. [2024-11-24 00:04:01,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 1057 states have (on average 1.2734153263954588) internal successors, (1346), 1069 states have internal predecessors, (1346), 118 states have call successors, (118), 22 states have call predecessors, (118), 22 states have return successors, (118), 106 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-24 00:04:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1582 transitions. [2024-11-24 00:04:01,231 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1582 transitions. Word has length 124 [2024-11-24 00:04:01,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:01,231 INFO L471 AbstractCegarLoop]: Abstraction has 1198 states and 1582 transitions. [2024-11-24 00:04:01,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 00:04:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1582 transitions. [2024-11-24 00:04:01,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:04:01,235 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:01,235 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:01,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-24 00:04:01,235 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:01,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:01,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1065843601, now seen corresponding path program 1 times [2024-11-24 00:04:01,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:01,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750317945] [2024-11-24 00:04:01,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:01,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:01,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:01,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750317945] [2024-11-24 00:04:01,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750317945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:01,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:01,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:04:01,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251369303] [2024-11-24 00:04:01,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:01,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:04:01,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:01,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:04:01,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:04:01,555 INFO L87 Difference]: Start difference. First operand 1198 states and 1582 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:01,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:01,750 INFO L93 Difference]: Finished difference Result 1913 states and 2523 transitions. [2024-11-24 00:04:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:01,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 124 [2024-11-24 00:04:01,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:01,756 INFO L225 Difference]: With dead ends: 1913 [2024-11-24 00:04:01,756 INFO L226 Difference]: Without dead ends: 1185 [2024-11-24 00:04:01,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:04:01,759 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 47 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:01,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 715 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:01,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-24 00:04:01,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1183. [2024-11-24 00:04:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1042 states have (on average 1.2687140115163147) internal successors, (1322), 1054 states have internal predecessors, (1322), 118 states have call successors, (118), 22 states have call predecessors, (118), 22 states have return successors, (118), 106 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-24 00:04:01,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1558 transitions. [2024-11-24 00:04:01,921 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1558 transitions. Word has length 124 [2024-11-24 00:04:01,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:01,923 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1558 transitions. [2024-11-24 00:04:01,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:01,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1558 transitions. [2024-11-24 00:04:01,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:04:01,926 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:01,926 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:01,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 00:04:01,926 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:01,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:01,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1200422515, now seen corresponding path program 1 times [2024-11-24 00:04:01,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:01,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937254203] [2024-11-24 00:04:01,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:01,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 00:04:02,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:02,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937254203] [2024-11-24 00:04:02,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937254203] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:04:02,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372869407] [2024-11-24 00:04:02,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:02,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:04:02,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:04:02,137 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:04:02,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:04:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:02,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:04:02,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:02,582 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:04:02,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372869407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:02,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:04:02,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-24 00:04:02,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088562786] [2024-11-24 00:04:02,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:02,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:04:02,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:02,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:04:02,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:04:02,585 INFO L87 Difference]: Start difference. First operand 1183 states and 1558 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:02,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:02,790 INFO L93 Difference]: Finished difference Result 2397 states and 3159 transitions. [2024-11-24 00:04:02,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:02,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 124 [2024-11-24 00:04:02,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:02,797 INFO L225 Difference]: With dead ends: 2397 [2024-11-24 00:04:02,798 INFO L226 Difference]: Without dead ends: 1234 [2024-11-24 00:04:02,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:04:02,802 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:02,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 596 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:04:02,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2024-11-24 00:04:02,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1234. [2024-11-24 00:04:02,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 1093 states have (on average 1.2561756633119854) internal successors, (1373), 1105 states have internal predecessors, (1373), 118 states have call successors, (118), 22 states have call predecessors, (118), 22 states have return successors, (118), 106 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-24 00:04:02,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1609 transitions. [2024-11-24 00:04:02,986 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1609 transitions. Word has length 124 [2024-11-24 00:04:02,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:02,989 INFO L471 AbstractCegarLoop]: Abstraction has 1234 states and 1609 transitions. [2024-11-24 00:04:02,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:02,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1609 transitions. [2024-11-24 00:04:02,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 00:04:02,991 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:02,991 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:03,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:04:03,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-24 00:04:03,192 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:03,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:03,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1929787534, now seen corresponding path program 1 times [2024-11-24 00:04:03,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:03,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820212376] [2024-11-24 00:04:03,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:03,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:03,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:03,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820212376] [2024-11-24 00:04:03,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820212376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:03,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:03,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:04:03,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658175113] [2024-11-24 00:04:03,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:03,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:04:03,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:03,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:04:03,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:04:03,422 INFO L87 Difference]: Start difference. First operand 1234 states and 1609 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:03,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:03,613 INFO L93 Difference]: Finished difference Result 2388 states and 3108 transitions. [2024-11-24 00:04:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:03,614 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 126 [2024-11-24 00:04:03,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:03,625 INFO L225 Difference]: With dead ends: 2388 [2024-11-24 00:04:03,625 INFO L226 Difference]: Without dead ends: 1174 [2024-11-24 00:04:03,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:04:03,628 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 39 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:03,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 593 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:04:03,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2024-11-24 00:04:03,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1172. [2024-11-24 00:04:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1031 states have (on average 1.2347235693501455) internal successors, (1273), 1043 states have internal predecessors, (1273), 118 states have call successors, (118), 22 states have call predecessors, (118), 22 states have return successors, (118), 106 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-24 00:04:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1509 transitions. [2024-11-24 00:04:03,793 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1509 transitions. Word has length 126 [2024-11-24 00:04:03,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:03,794 INFO L471 AbstractCegarLoop]: Abstraction has 1172 states and 1509 transitions. [2024-11-24 00:04:03,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:03,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1509 transitions. [2024-11-24 00:04:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:04:03,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:03,796 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:03,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-24 00:04:03,796 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:03,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:03,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1852767473, now seen corresponding path program 1 times [2024-11-24 00:04:03,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:03,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094766320] [2024-11-24 00:04:03,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:03,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-24 00:04:13,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:13,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094766320] [2024-11-24 00:04:13,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094766320] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:04:13,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207310623] [2024-11-24 00:04:13,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:13,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:04:13,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:04:13,652 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:04:13,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:04:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:14,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-24 00:04:14,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:14,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 83 [2024-11-24 00:04:14,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2024-11-24 00:04:14,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-24 00:04:15,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 69 [2024-11-24 00:04:15,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 61 [2024-11-24 00:04:15,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2024-11-24 00:04:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 00:04:15,527 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:04:16,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2024-11-24 00:04:16,288 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:04:16,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 57 [2024-11-24 00:04:16,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2024-11-24 00:04:16,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-24 00:04:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:17,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207310623] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:04:17,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:04:17,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [28, 12] total 35 [2024-11-24 00:04:17,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426928309] [2024-11-24 00:04:17,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:17,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:04:17,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:17,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:04:17,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1102, Unknown=0, NotChecked=0, Total=1190 [2024-11-24 00:04:17,192 INFO L87 Difference]: Start difference. First operand 1172 states and 1509 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:18,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:18,440 INFO L93 Difference]: Finished difference Result 2060 states and 2643 transitions. [2024-11-24 00:04:18,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:04:18,441 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 128 [2024-11-24 00:04:18,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:18,447 INFO L225 Difference]: With dead ends: 2060 [2024-11-24 00:04:18,448 INFO L226 Difference]: Without dead ends: 1346 [2024-11-24 00:04:18,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=116, Invalid=1524, Unknown=0, NotChecked=0, Total=1640 [2024-11-24 00:04:18,451 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 60 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:18,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 1595 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:04:18,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2024-11-24 00:04:18,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1262. [2024-11-24 00:04:18,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1262 states, 1118 states have (on average 1.2352415026833632) internal successors, (1381), 1131 states have internal predecessors, (1381), 120 states have call successors, (120), 23 states have call predecessors, (120), 23 states have return successors, (120), 107 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-24 00:04:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1262 states and 1621 transitions. [2024-11-24 00:04:18,623 INFO L78 Accepts]: Start accepts. Automaton has 1262 states and 1621 transitions. Word has length 128 [2024-11-24 00:04:18,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:18,624 INFO L471 AbstractCegarLoop]: Abstraction has 1262 states and 1621 transitions. [2024-11-24 00:04:18,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1621 transitions. [2024-11-24 00:04:18,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:04:18,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:18,627 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:18,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 00:04:18,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-24 00:04:18,831 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:18,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:18,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1762141453, now seen corresponding path program 1 times [2024-11-24 00:04:18,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:18,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154012712] [2024-11-24 00:04:18,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:18,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:18,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:18,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154012712] [2024-11-24 00:04:18,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154012712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:18,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:18,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:04:18,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490508461] [2024-11-24 00:04:18,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:19,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:04:19,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:19,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:04:19,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:04:19,001 INFO L87 Difference]: Start difference. First operand 1262 states and 1621 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:19,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:19,242 INFO L93 Difference]: Finished difference Result 2091 states and 2681 transitions. [2024-11-24 00:04:19,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:19,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 128 [2024-11-24 00:04:19,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:19,253 INFO L225 Difference]: With dead ends: 2091 [2024-11-24 00:04:19,253 INFO L226 Difference]: Without dead ends: 1287 [2024-11-24 00:04:19,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:04:19,256 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 50 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:19,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 754 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:19,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-11-24 00:04:19,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1258. [2024-11-24 00:04:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1114 states have (on average 1.2333931777378815) internal successors, (1374), 1127 states have internal predecessors, (1374), 120 states have call successors, (120), 23 states have call predecessors, (120), 23 states have return successors, (120), 107 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-24 00:04:19,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1614 transitions. [2024-11-24 00:04:19,403 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1614 transitions. Word has length 128 [2024-11-24 00:04:19,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:19,405 INFO L471 AbstractCegarLoop]: Abstraction has 1258 states and 1614 transitions. [2024-11-24 00:04:19,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1614 transitions. [2024-11-24 00:04:19,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:04:19,407 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:19,407 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:19,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-24 00:04:19,407 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:19,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:19,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1780380915, now seen corresponding path program 1 times [2024-11-24 00:04:19,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:19,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098476054] [2024-11-24 00:04:19,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:19,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:19,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:19,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098476054] [2024-11-24 00:04:19,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098476054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:19,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:19,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:04:19,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816161161] [2024-11-24 00:04:19,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:19,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:04:19,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:19,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:04:19,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:04:19,560 INFO L87 Difference]: Start difference. First operand 1258 states and 1614 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:19,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:19,793 INFO L93 Difference]: Finished difference Result 2095 states and 2678 transitions. [2024-11-24 00:04:19,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:19,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 128 [2024-11-24 00:04:19,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:19,800 INFO L225 Difference]: With dead ends: 2095 [2024-11-24 00:04:19,800 INFO L226 Difference]: Without dead ends: 1295 [2024-11-24 00:04:19,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:04:19,803 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 53 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:19,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 707 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:19,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2024-11-24 00:04:19,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1203. [2024-11-24 00:04:19,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 1065 states have (on average 1.231924882629108) internal successors, (1312), 1076 states have internal predecessors, (1312), 114 states have call successors, (114), 23 states have call predecessors, (114), 23 states have return successors, (114), 103 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-24 00:04:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1540 transitions. [2024-11-24 00:04:19,982 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1540 transitions. Word has length 128 [2024-11-24 00:04:19,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:19,983 INFO L471 AbstractCegarLoop]: Abstraction has 1203 states and 1540 transitions. [2024-11-24 00:04:19,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:19,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1540 transitions. [2024-11-24 00:04:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:04:19,985 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:19,985 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:19,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-24 00:04:19,986 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:19,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:19,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1834528011, now seen corresponding path program 1 times [2024-11-24 00:04:19,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:19,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955360511] [2024-11-24 00:04:19,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:19,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:21,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:21,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955360511] [2024-11-24 00:04:21,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955360511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:21,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:21,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 00:04:21,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262986191] [2024-11-24 00:04:21,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:21,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:04:21,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:21,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:04:21,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:04:21,517 INFO L87 Difference]: Start difference. First operand 1203 states and 1540 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:22,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:22,355 INFO L93 Difference]: Finished difference Result 2001 states and 2554 transitions. [2024-11-24 00:04:22,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:04:22,356 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 128 [2024-11-24 00:04:22,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:22,361 INFO L225 Difference]: With dead ends: 2001 [2024-11-24 00:04:22,361 INFO L226 Difference]: Without dead ends: 1260 [2024-11-24 00:04:22,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:04:22,363 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 51 mSDsluCounter, 1466 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 1674 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:22,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 1674 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:04:22,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2024-11-24 00:04:22,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1195. [2024-11-24 00:04:22,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 1057 states have (on average 1.2317880794701987) internal successors, (1302), 1068 states have internal predecessors, (1302), 114 states have call successors, (114), 23 states have call predecessors, (114), 23 states have return successors, (114), 103 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-24 00:04:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1530 transitions. [2024-11-24 00:04:22,516 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1530 transitions. Word has length 128 [2024-11-24 00:04:22,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:22,516 INFO L471 AbstractCegarLoop]: Abstraction has 1195 states and 1530 transitions. [2024-11-24 00:04:22,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:22,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1530 transitions. [2024-11-24 00:04:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:04:22,518 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:22,519 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:22,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-24 00:04:22,519 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:22,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:22,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1539155420, now seen corresponding path program 1 times [2024-11-24 00:04:22,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:22,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060042451] [2024-11-24 00:04:22,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:22,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:04:22,592 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:04:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:04:22,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:04:22,791 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:04:22,792 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:04:22,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-24 00:04:22,797 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:23,070 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:04:23,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:04:23 BoogieIcfgContainer [2024-11-24 00:04:23,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:04:23,074 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:04:23,074 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:04:23,075 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:04:23,076 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:03:31" (3/4) ... [2024-11-24 00:04:23,078 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:04:23,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:04:23,080 INFO L158 Benchmark]: Toolchain (without parser) took 52939.04ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 92.4MB in the beginning and 217.8MB in the end (delta: -125.4MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-24 00:04:23,080 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:04:23,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.07ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:04:23,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.91ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 75.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:04:23,081 INFO L158 Benchmark]: Boogie Preprocessor took 113.25ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 70.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:04:23,081 INFO L158 Benchmark]: RCFGBuilder took 1277.50ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 84.3MB in the end (delta: -13.6MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2024-11-24 00:04:23,082 INFO L158 Benchmark]: TraceAbstraction took 51137.07ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 83.8MB in the beginning and 217.9MB in the end (delta: -134.1MB). Peak memory consumption was 176.3MB. Max. memory is 16.1GB. [2024-11-24 00:04:23,082 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 285.2MB. Free memory was 217.9MB in the beginning and 217.8MB in the end (delta: 35.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:04:23,083 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.07ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.91ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 75.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 113.25ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 70.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1277.50ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 84.3MB in the end (delta: -13.6MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * TraceAbstraction took 51137.07ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 83.8MB in the beginning and 217.9MB in the end (delta: -134.1MB). Peak memory consumption was 176.3MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 285.2MB. Free memory was 217.9MB in the beginning and 217.8MB in the end (delta: 35.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 72, overapproximation of someBinaryArithmeticDOUBLEoperation at line 103, overapproximation of someBinaryArithmeticDOUBLEoperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -128; [L22] signed char var_1_1 = -128; [L23] signed char* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_2 = 1; [L24] unsigned char var_1_2 = 1; [L25] unsigned char* var_1_2_Pointer = &(var_1_2); [L26] unsigned char var_1_6 = 1; [L26] unsigned char var_1_6 = 1; [L27] unsigned char* var_1_6_Pointer = &(var_1_6); [L28] signed char var_1_7 = 8; [L28] signed char var_1_7 = 8; [L29] signed char* var_1_7_Pointer = &(var_1_7); [L30] unsigned long int var_1_8 = 1; [L30] unsigned long int var_1_8 = 1; [L31] unsigned long int* var_1_8_Pointer = &(var_1_8); [L32] unsigned long int var_1_9 = 1885310857; [L32] unsigned long int var_1_9 = 1885310857; [L33] unsigned long int* var_1_9_Pointer = &(var_1_9); [L34] signed long int var_1_10 = -10; [L34] signed long int var_1_10 = -10; [L35] signed long int* var_1_10_Pointer = &(var_1_10); [L36] double var_1_11 = 32.6; [L36] double var_1_11 = 32.6; [L37] double* var_1_11_Pointer = &(var_1_11); [L38] double var_1_12 = 9.75; [L38] double var_1_12 = 9.75; [L39] double* var_1_12_Pointer = &(var_1_12); [L40] double var_1_13 = 5.1; [L40] double var_1_13 = 5.1; [L41] double* var_1_13_Pointer = &(var_1_13); [L42] double var_1_14 = 128.1; [L42] double var_1_14 = 128.1; [L43] double* var_1_14_Pointer = &(var_1_14); [L44] double var_1_15 = 63.9; [L44] double var_1_15 = 63.9; [L45] double* var_1_15_Pointer = &(var_1_15); [L46] signed long int last_1_var_1_10 = -10; VAL [isInitial=0, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] isInitial = 1 [L108] FCALL initially() [L110] CALL updateLastVariables() [L100] EXPR \read(var_1_10) [L100] last_1_var_1_10 = var_1_10 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L78] var_1_2 = __VERIFIER_nondet_uchar() [L79] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L79] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L79] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L80] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L80] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L80] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L81] var_1_6 = __VERIFIER_nondet_uchar() [L82] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L82] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L82] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L83] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L83] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L83] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] var_1_7 = __VERIFIER_nondet_char() [L85] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L85] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L85] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L86] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L86] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L86] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] var_1_9 = __VERIFIER_nondet_ulong() [L88] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] CALL assume_abort_if_not(var_1_9 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] RET assume_abort_if_not(var_1_9 >= 1073741824) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L90] var_1_12 = __VERIFIER_nondet_double() [L91] EXPR \read(var_1_12) [L91] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F [L91] EXPR \read(var_1_12) [L91] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] EXPR (var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] EXPR (var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] var_1_13 = __VERIFIER_nondet_double() [L93] EXPR \read(var_1_13) [L93] EXPR var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L93] EXPR var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F [L93] EXPR \read(var_1_13) [L93] EXPR var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L93] EXPR (var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L93] EXPR (var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L93] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L93] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] var_1_14 = __VERIFIER_nondet_double() [L95] EXPR \read(var_1_14) [L95] EXPR var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L95] EXPR var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F [L95] EXPR \read(var_1_14) [L95] EXPR var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L95] EXPR (var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L95] EXPR (var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L95] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L95] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] var_1_15 = __VERIFIER_nondet_double() [L97] EXPR \read(var_1_15) [L97] EXPR var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L97] EXPR var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F [L97] EXPR \read(var_1_15) [L97] EXPR var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L97] EXPR (var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L97] EXPR (var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L97] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L97] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L111] RET updateVariables() [L112] CALL step() [L50] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L50] COND FALSE !((*(var_1_2_Pointer))) [L53] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L53] EXPR ((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))) [L53] EXPR ((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L53] (*(var_1_8_Pointer)) = ((((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))))) [L55] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L55] COND FALSE !((*(var_1_2_Pointer))) [L58] EXPR \read(*var_1_2_Pointer) [L58] unsigned char stepLocal_1 = (*(var_1_2_Pointer)); [L59] EXPR \read(*var_1_10_Pointer) [L59] signed long int stepLocal_0 = (*(var_1_10_Pointer)); [L60] stepLocal_1 || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer))) VAL [isInitial=1, last_1_var_1_10=-10, stepLocal_0=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L60] stepLocal_1 || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer))) [L60] EXPR \read(*var_1_10_Pointer) [L60] EXPR \read(*var_1_10_Pointer) [L60] stepLocal_1 || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer))) VAL [isInitial=1, last_1_var_1_10=-10, stepLocal_0=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L60] COND TRUE stepLocal_1 || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer))) [L61] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L61] COND FALSE !(stepLocal_0 < (*(var_1_8_Pointer))) [L66] (*(var_1_1_Pointer)) = 2 VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L71] EXPR \read(*var_1_1_Pointer) [L71] EXPR \read(*var_1_1_Pointer) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L71] COND TRUE (*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)) [L72] EXPR \read(*var_1_12_Pointer) [L72] EXPR \read(*var_1_13_Pointer) [L72] EXPR \read(*var_1_14_Pointer) [L72] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L72] EXPR ((((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_15_Pointer)))) ? (((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_15_Pointer))) [L72] EXPR \read(*var_1_13_Pointer) [L72] EXPR \read(*var_1_14_Pointer) [L72] EXPR ((((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_15_Pointer)))) ? (((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_15_Pointer))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L72] (*(var_1_11_Pointer)) = ((*(var_1_12_Pointer)) - ((((((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_15_Pointer)))) ? (((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_15_Pointer)))))) [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR \read(*var_1_2_Pointer) [L103] EXPR (*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR (*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer))) [L103] EXPR \read(*var_1_10_Pointer) [L103] EXPR \read(*var_1_10_Pointer) [L103] EXPR (*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR ((*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer)))) ? (((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) [L103] EXPR \read(*var_1_10_Pointer) [L103] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR ((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2)) [L103] EXPR \read(*var_1_1_Pointer) [L103] EXPR ((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2)) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR ((*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer)))) ? (((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR (((*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer)))) ? (((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned long int) ((1514707036u + (((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer)))))) - last_1_var_1_10))) : ((*(var_1_8_Pointer)) == ((unsigned long int) ((((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer)))))))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR (((*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer)))) ? (((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned long int) ((1514707036u + (((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer)))))) - last_1_var_1_10))) : ((*(var_1_8_Pointer)) == ((unsigned long int) ((((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer)))))))) [L103] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned long int) ((1514707036u + (((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer)))))) - last_1_var_1_10))) : ((*(var_1_8_Pointer)) == ((unsigned long int) ((((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))))))) [L103] EXPR \read(*var_1_8_Pointer) [L103] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR ((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))) [L103] EXPR ((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned long int) ((1514707036u + (((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer)))))) - last_1_var_1_10))) : ((*(var_1_8_Pointer)) == ((unsigned long int) ((((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))))))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR (((*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer)))) ? (((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned long int) ((1514707036u + (((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer)))))) - last_1_var_1_10))) : ((*(var_1_8_Pointer)) == ((unsigned long int) ((((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer)))))))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR ((((*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer)))) ? (((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned long int) ((1514707036u + (((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer)))))) - last_1_var_1_10))) : ((*(var_1_8_Pointer)) == ((unsigned long int) ((((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))))))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed long int) ((*(var_1_8_Pointer)) + (((((*(var_1_7_Pointer))) < 0 ) ? -((*(var_1_7_Pointer))) : ((*(var_1_7_Pointer)))))))) : 1) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR ((((*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer)))) ? (((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned long int) ((1514707036u + (((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer)))))) - last_1_var_1_10))) : ((*(var_1_8_Pointer)) == ((unsigned long int) ((((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))))))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed long int) ((*(var_1_8_Pointer)) + (((((*(var_1_7_Pointer))) < 0 ) ? -((*(var_1_7_Pointer))) : ((*(var_1_7_Pointer)))))))) : 1) [L103] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed long int) ((*(var_1_8_Pointer)) + (((((*(var_1_7_Pointer))) < 0 ) ? -((*(var_1_7_Pointer))) : ((*(var_1_7_Pointer)))))))) : 1 [L103] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed long int) ((*(var_1_8_Pointer)) + (((((*(var_1_7_Pointer))) < 0 ) ? -((*(var_1_7_Pointer))) : ((*(var_1_7_Pointer)))))))) : 1 VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR ((((*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer)))) ? (((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned long int) ((1514707036u + (((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer)))))) - last_1_var_1_10))) : ((*(var_1_8_Pointer)) == ((unsigned long int) ((((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))))))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed long int) ((*(var_1_8_Pointer)) + (((((*(var_1_7_Pointer))) < 0 ) ? -((*(var_1_7_Pointer))) : ((*(var_1_7_Pointer)))))))) : 1) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR (((((*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer)))) ? (((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned long int) ((1514707036u + (((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer)))))) - last_1_var_1_10))) : ((*(var_1_8_Pointer)) == ((unsigned long int) ((((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))))))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed long int) ((*(var_1_8_Pointer)) + (((((*(var_1_7_Pointer))) < 0 ) ? -((*(var_1_7_Pointer))) : ((*(var_1_7_Pointer)))))))) : 1)) && (((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_12_Pointer)) - ((((((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_15_Pointer)))) ? (((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_15_Pointer)))))))) : ((*(var_1_11_Pointer)) == ((double) (((((*(var_1_14_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_13_Pointer)))))))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR (((((*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer)))) ? (((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned long int) ((1514707036u + (((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer)))))) - last_1_var_1_10))) : ((*(var_1_8_Pointer)) == ((unsigned long int) ((((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))))))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed long int) ((*(var_1_8_Pointer)) + (((((*(var_1_7_Pointer))) < 0 ) ? -((*(var_1_7_Pointer))) : ((*(var_1_7_Pointer)))))))) : 1)) && (((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_12_Pointer)) - ((((((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_15_Pointer)))) ? (((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_15_Pointer)))))))) : ((*(var_1_11_Pointer)) == ((double) (((((*(var_1_14_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_13_Pointer)))))))) [L103] EXPR \read(*var_1_1_Pointer) [L103] EXPR \read(*var_1_1_Pointer) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_12_Pointer)) - ((((((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_15_Pointer)))) ? (((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_15_Pointer)))))))) : ((*(var_1_11_Pointer)) == ((double) (((((*(var_1_14_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_13_Pointer))))))) [L103] EXPR \read(*var_1_11_Pointer) [L103] EXPR \read(*var_1_12_Pointer) [L103] EXPR \read(*var_1_13_Pointer) [L103] EXPR \read(*var_1_14_Pointer) [L103] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR ((((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_15_Pointer)))) ? (((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_15_Pointer))) [L103] EXPR \read(*var_1_13_Pointer) [L103] EXPR \read(*var_1_14_Pointer) [L103] EXPR ((((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_15_Pointer)))) ? (((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_15_Pointer))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_12_Pointer)) - ((((((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_15_Pointer)))) ? (((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_15_Pointer)))))))) : ((*(var_1_11_Pointer)) == ((double) (((((*(var_1_14_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_13_Pointer))))))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR (((((*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer)))) ? (((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned long int) ((1514707036u + (((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer)))))) - last_1_var_1_10))) : ((*(var_1_8_Pointer)) == ((unsigned long int) ((((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))))))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed long int) ((*(var_1_8_Pointer)) + (((((*(var_1_7_Pointer))) < 0 ) ? -((*(var_1_7_Pointer))) : ((*(var_1_7_Pointer)))))))) : 1)) && (((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_12_Pointer)) - ((((((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_15_Pointer)))) ? (((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_15_Pointer)))))))) : ((*(var_1_11_Pointer)) == ((double) (((((*(var_1_14_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_13_Pointer)))))))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103-L104] return (((((*(var_1_2_Pointer)) || ((~ (*(var_1_10_Pointer))) >= (*(var_1_10_Pointer)))) ? (((*(var_1_10_Pointer)) < (*(var_1_8_Pointer))) ? ((! (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : 1) : ((*(var_1_1_Pointer)) == ((signed char) 2))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned long int) ((1514707036u + (((((*(var_1_9_Pointer))) < 0 ) ? -((*(var_1_9_Pointer))) : ((*(var_1_9_Pointer)))))) - last_1_var_1_10))) : ((*(var_1_8_Pointer)) == ((unsigned long int) ((((last_1_var_1_10) > ((*(var_1_9_Pointer)))) ? (last_1_var_1_10) : ((*(var_1_9_Pointer))))))))) && ((*(var_1_2_Pointer)) ? ((*(var_1_10_Pointer)) == ((signed long int) ((*(var_1_8_Pointer)) + (((((*(var_1_7_Pointer))) < 0 ) ? -((*(var_1_7_Pointer))) : ((*(var_1_7_Pointer)))))))) : 1)) && (((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_12_Pointer)) - ((((((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_15_Pointer)))) ? (((*(var_1_13_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_15_Pointer)))))))) : ((*(var_1_11_Pointer)) == ((double) (((((*(var_1_14_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_14_Pointer))) : ((*(var_1_13_Pointer)))))))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-10, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.8s, OverallIterations: 33, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5044 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5044 mSDsluCounter, 31900 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25214 mSDsCounter, 372 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4453 IncrementalHoareTripleChecker+Invalid, 4825 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 372 mSolverCounterUnsat, 6686 mSDtfsCounter, 4453 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 569 SyntacticMatches, 1 SemanticMatches, 283 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1334occurred in iteration=18, InterpolantAutomatonStates: 244, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 32 MinimizatonAttempts, 4001 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 27.5s InterpolantComputationTime, 4352 NumberOfCodeBlocks, 4352 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 4316 ConstructedInterpolants, 0 QuantifiedInterpolants, 22645 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1618 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 36 InterpolantComputations, 32 PerfectInterpolantSequences, 9386/9504 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 00:04:23,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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_c15e654f-aa44-40c1-b724-3884b243087e/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 944d6be29b18a7b057c10d85533dd285a58675394c7ffcf3e8926ec3db51ce25 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:04:25,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:04:26,041 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:04:26,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:04:26,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:04:26,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:04:26,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:04:26,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:04:26,123 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:04:26,123 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:04:26,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:04:26,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:04:26,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:04:26,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:04:26,126 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:04:26,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:04:26,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:04:26,130 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:04:26,130 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:04:26,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:04:26,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:04:26,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:04:26,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:04:26,131 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:04:26,131 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:04:26,131 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:04:26,131 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:04:26,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:04:26,131 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:04:26,131 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:04:26,131 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:04:26,131 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:04:26,132 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:04:26,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:04:26,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:04:26,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:04:26,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:04:26,132 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:04:26,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:04:26,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:04:26,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:04:26,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:04:26,132 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:04:26,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:04:26,133 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:04:26,133 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:04:26,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:04:26,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:04:26,138 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:04:26,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:04:26,138 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_c15e654f-aa44-40c1-b724-3884b243087e/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 -> 944d6be29b18a7b057c10d85533dd285a58675394c7ffcf3e8926ec3db51ce25 [2024-11-24 00:04:26,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:04:26,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:04:26,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:04:26,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:04:26,470 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:04:26,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-15.i [2024-11-24 00:04:29,781 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/data/8cb75e694/7d09d7da9ad54bc4b01452adb9b8ce6f/FLAG86e81ff2c [2024-11-24 00:04:30,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:04:30,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-15.i [2024-11-24 00:04:30,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/data/8cb75e694/7d09d7da9ad54bc4b01452adb9b8ce6f/FLAG86e81ff2c [2024-11-24 00:04:30,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/data/8cb75e694/7d09d7da9ad54bc4b01452adb9b8ce6f [2024-11-24 00:04:30,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:04:30,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:04:30,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:04:30,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:04:30,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:04:30,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef6cf37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30, skipping insertion in model container [2024-11-24 00:04:30,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:04:30,463 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_c15e654f-aa44-40c1-b724-3884b243087e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-15.i[916,929] [2024-11-24 00:04:30,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:04:30,604 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:04:30,624 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_c15e654f-aa44-40c1-b724-3884b243087e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-15.i[916,929] [2024-11-24 00:04:30,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:04:30,713 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:04:30,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30 WrapperNode [2024-11-24 00:04:30,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:04:30,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:04:30,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:04:30,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:04:30,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,796 INFO L138 Inliner]: procedures = 33, calls = 162, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 525 [2024-11-24 00:04:30,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:04:30,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:04:30,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:04:30,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:04:30,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,815 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,849 INFO L175 MemorySlicer]: Split 127 memory accesses to 13 slices as follows [2, 11, 10, 6, 14, 9, 14, 10, 5, 8, 14, 14, 10]. 11 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 3, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1]. [2024-11-24 00:04:30,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,876 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:04:30,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:04:30,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:04:30,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:04:30,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (1/1) ... [2024-11-24 00:04:30,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:04:30,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:04:30,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:04:30,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:04:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:04:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-24 00:04:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-24 00:04:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-24 00:04:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-24 00:04:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-24 00:04:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-24 00:04:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-24 00:04:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-24 00:04:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-24 00:04:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-24 00:04:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-24 00:04:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-24 00:04:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-11-24 00:04:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-24 00:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-24 00:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-24 00:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-24 00:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-24 00:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-24 00:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-24 00:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-24 00:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-24 00:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-24 00:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-24 00:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-24 00:04:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-11-24 00:04:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-24 00:04:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-24 00:04:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-24 00:04:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-24 00:04:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-24 00:04:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-24 00:04:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-24 00:04:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-24 00:04:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-24 00:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-24 00:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-24 00:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-11-24 00:04:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-11-24 00:04:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-24 00:04:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-24 00:04:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-24 00:04:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-24 00:04:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-24 00:04:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-24 00:04:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-24 00:04:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-24 00:04:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-24 00:04:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-24 00:04:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-24 00:04:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-24 00:04:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-24 00:04:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:04:31,004 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:04:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:04:31,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:04:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-24 00:04:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-24 00:04:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-24 00:04:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-24 00:04:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-24 00:04:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-24 00:04:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-24 00:04:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-24 00:04:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-24 00:04:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-24 00:04:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-24 00:04:31,320 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:04:31,323 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:04:35,304 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2024-11-24 00:04:35,304 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:04:35,318 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:04:35,319 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:04:35,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:04:35 BoogieIcfgContainer [2024-11-24 00:04:35,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:04:35,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:04:35,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:04:35,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:04:35,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:04:30" (1/3) ... [2024-11-24 00:04:35,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cbed93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:04:35, skipping insertion in model container [2024-11-24 00:04:35,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:30" (2/3) ... [2024-11-24 00:04:35,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cbed93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:04:35, skipping insertion in model container [2024-11-24 00:04:35,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:04:35" (3/3) ... [2024-11-24 00:04:35,332 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-15.i [2024-11-24 00:04:35,350 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:04:35,351 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-15.i that has 2 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:04:35,421 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:04:35,440 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;@4805692a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:04:35,441 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:04:35,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 99 states have internal predecessors, (142), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:04:35,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 00:04:35,468 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:35,469 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:35,470 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:35,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:35,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1689509018, now seen corresponding path program 1 times [2024-11-24 00:04:35,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:35,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146598992] [2024-11-24 00:04:35,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:35,487 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 00:04:35,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:35,489 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:35,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:36,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:04:36,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-24 00:04:36,423 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:04:36,424 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:04:36,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146598992] [2024-11-24 00:04:36,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146598992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:36,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:36,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:04:36,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099982011] [2024-11-24 00:04:36,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:36,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:04:36,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:04:36,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:04:36,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:04:36,454 INFO L87 Difference]: Start difference. First operand has 113 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 99 states have internal predecessors, (142), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:04:36,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:36,485 INFO L93 Difference]: Finished difference Result 219 states and 338 transitions. [2024-11-24 00:04:36,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:04:36,487 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-11-24 00:04:36,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:36,496 INFO L225 Difference]: With dead ends: 219 [2024-11-24 00:04:36,497 INFO L226 Difference]: Without dead ends: 109 [2024-11-24 00:04:36,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 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 00:04:36,505 INFO L435 NwaCegarLoop]: 157 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, 157 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 00:04:36,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:04:36,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-24 00:04:36,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-24 00:04:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:04:36,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2024-11-24 00:04:36,558 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 115 [2024-11-24 00:04:36,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:36,558 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2024-11-24 00:04:36,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:04:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2024-11-24 00:04:36,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 00:04:36,561 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:36,561 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:36,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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)] Ended with exit code 0 [2024-11-24 00:04:36,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:36,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:36,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:36,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1781866040, now seen corresponding path program 1 times [2024-11-24 00:04:36,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:36,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321125761] [2024-11-24 00:04:36,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:36,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:04:36,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:36,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:36,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:37,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:04:37,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:38,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-24 00:04:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 00:04:38,710 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:04:39,101 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:39,101 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:04:39,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321125761] [2024-11-24 00:04:39,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321125761] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:04:39,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:04:39,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-24 00:04:39,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340865934] [2024-11-24 00:04:39,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:39,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:04:39,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:04:39,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:04:39,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:04:39,106 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:39,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:39,291 INFO L93 Difference]: Finished difference Result 267 states and 386 transitions. [2024-11-24 00:04:39,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:39,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-11-24 00:04:39,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:39,295 INFO L225 Difference]: With dead ends: 267 [2024-11-24 00:04:39,295 INFO L226 Difference]: Without dead ends: 161 [2024-11-24 00:04:39,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:04:39,298 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 150 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:39,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 569 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:39,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-24 00:04:39,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 111. [2024-11-24 00:04:39,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:04:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2024-11-24 00:04:39,324 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 115 [2024-11-24 00:04:39,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:39,330 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2024-11-24 00:04:39,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2024-11-24 00:04:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 00:04:39,334 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:39,334 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:39,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:39,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:39,535 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:39,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:39,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1152982477, now seen corresponding path program 1 times [2024-11-24 00:04:39,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:39,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609020402] [2024-11-24 00:04:39,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:39,537 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 00:04:39,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:39,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:39,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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)] Waiting until timeout for monitored process [2024-11-24 00:04:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:40,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:04:40,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 00:04:41,089 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:04:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:41,313 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:04:41,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609020402] [2024-11-24 00:04:41,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609020402] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:04:41,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:04:41,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-24 00:04:41,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488004779] [2024-11-24 00:04:41,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:41,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:04:41,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:04:41,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:04:41,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:04:41,316 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:41,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:41,475 INFO L93 Difference]: Finished difference Result 269 states and 387 transitions. [2024-11-24 00:04:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:41,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-11-24 00:04:41,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:41,478 INFO L225 Difference]: With dead ends: 269 [2024-11-24 00:04:41,479 INFO L226 Difference]: Without dead ends: 161 [2024-11-24 00:04:41,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:04:41,480 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 144 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:41,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 448 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:41,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-24 00:04:41,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 115. [2024-11-24 00:04:41,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 101 states have (on average 1.386138613861386) internal successors, (140), 101 states have internal predecessors, (140), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 00:04:41,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2024-11-24 00:04:41,500 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 115 [2024-11-24 00:04:41,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:41,504 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2024-11-24 00:04:41,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:41,504 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2024-11-24 00:04:41,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 00:04:41,506 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:41,507 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:41,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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)] Ended with exit code 0 [2024-11-24 00:04:41,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:41,708 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:41,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:41,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1453041077, now seen corresponding path program 1 times [2024-11-24 00:04:41,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:41,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936328567] [2024-11-24 00:04:41,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:41,713 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 00:04:41,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:41,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:41,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:42,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:04:42,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:42,910 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:04:42,911 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:04:42,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1936328567] [2024-11-24 00:04:42,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1936328567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:42,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:42,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:04:42,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270041371] [2024-11-24 00:04:42,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:42,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:04:42,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:04:42,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:04:42,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:04:42,913 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:43,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:43,040 INFO L93 Difference]: Finished difference Result 338 states and 485 transitions. [2024-11-24 00:04:43,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:43,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 115 [2024-11-24 00:04:43,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:43,047 INFO L225 Difference]: With dead ends: 338 [2024-11-24 00:04:43,048 INFO L226 Difference]: Without dead ends: 226 [2024-11-24 00:04:43,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 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 00:04:43,050 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 91 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 440 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 00:04:43,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 440 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:43,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-24 00:04:43,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 216. [2024-11-24 00:04:43,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 189 states have (on average 1.3915343915343916) internal successors, (263), 189 states have internal predecessors, (263), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:04:43,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 311 transitions. [2024-11-24 00:04:43,103 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 311 transitions. Word has length 115 [2024-11-24 00:04:43,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:43,103 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 311 transitions. [2024-11-24 00:04:43,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:43,104 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 311 transitions. [2024-11-24 00:04:43,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 00:04:43,110 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:43,110 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:43,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:43,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:43,311 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:43,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:43,312 INFO L85 PathProgramCache]: Analyzing trace with hash -781004867, now seen corresponding path program 1 times [2024-11-24 00:04:43,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:43,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283250865] [2024-11-24 00:04:43,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:43,313 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 00:04:43,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:43,316 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:43,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (6)] Waiting until timeout for monitored process [2024-11-24 00:04:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:43,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:04:43,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:44,717 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 00:04:44,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:04:45,005 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:45,006 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:04:45,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283250865] [2024-11-24 00:04:45,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283250865] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:04:45,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:04:45,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-24 00:04:45,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844084025] [2024-11-24 00:04:45,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:45,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:04:45,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:04:45,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:04:45,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:04:45,008 INFO L87 Difference]: Start difference. First operand 216 states and 311 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:45,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:45,203 INFO L93 Difference]: Finished difference Result 477 states and 687 transitions. [2024-11-24 00:04:45,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:45,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 116 [2024-11-24 00:04:45,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:45,206 INFO L225 Difference]: With dead ends: 477 [2024-11-24 00:04:45,207 INFO L226 Difference]: Without dead ends: 264 [2024-11-24 00:04:45,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:04:45,211 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 63 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:45,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 591 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:45,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-24 00:04:45,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 227. [2024-11-24 00:04:45,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 200 states have (on average 1.395) internal successors, (279), 200 states have internal predecessors, (279), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:04:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 327 transitions. [2024-11-24 00:04:45,250 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 327 transitions. Word has length 116 [2024-11-24 00:04:45,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:45,250 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 327 transitions. [2024-11-24 00:04:45,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:45,251 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 327 transitions. [2024-11-24 00:04:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 00:04:45,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:45,253 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:45,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (6)] Ended with exit code 0 [2024-11-24 00:04:45,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:45,454 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:45,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:45,456 INFO L85 PathProgramCache]: Analyzing trace with hash -522839429, now seen corresponding path program 1 times [2024-11-24 00:04:45,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:45,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005132348] [2024-11-24 00:04:45,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:45,456 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 00:04:45,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:45,459 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:45,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:46,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:04:46,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:46,618 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:04:46,619 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:04:46,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005132348] [2024-11-24 00:04:46,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005132348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:46,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:46,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:04:46,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336580890] [2024-11-24 00:04:46,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:46,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:04:46,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:04:46,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:04:46,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:04:46,620 INFO L87 Difference]: Start difference. First operand 227 states and 327 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:46,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:46,743 INFO L93 Difference]: Finished difference Result 462 states and 664 transitions. [2024-11-24 00:04:46,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:46,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 116 [2024-11-24 00:04:46,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:46,746 INFO L225 Difference]: With dead ends: 462 [2024-11-24 00:04:46,747 INFO L226 Difference]: Without dead ends: 238 [2024-11-24 00:04:46,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 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 00:04:46,748 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 81 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 516 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 00:04:46,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 516 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:46,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-24 00:04:46,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 228. [2024-11-24 00:04:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 201 states have (on average 1.3880597014925373) internal successors, (279), 201 states have internal predecessors, (279), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:04:46,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 327 transitions. [2024-11-24 00:04:46,766 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 327 transitions. Word has length 116 [2024-11-24 00:04:46,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:46,766 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 327 transitions. [2024-11-24 00:04:46,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:46,767 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 327 transitions. [2024-11-24 00:04:46,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-24 00:04:46,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:46,769 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:46,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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)] Forceful destruction successful, exit code 0 [2024-11-24 00:04:46,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:46,969 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:46,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:46,970 INFO L85 PathProgramCache]: Analyzing trace with hash 611615043, now seen corresponding path program 1 times [2024-11-24 00:04:46,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:46,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124459089] [2024-11-24 00:04:46,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:46,970 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 00:04:46,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:46,972 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:46,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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)] Waiting until timeout for monitored process [2024-11-24 00:04:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:47,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:04:47,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:48,268 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 00:04:48,268 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:04:48,530 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:48,530 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:04:48,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124459089] [2024-11-24 00:04:48,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124459089] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:04:48,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:04:48,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2024-11-24 00:04:48,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357605874] [2024-11-24 00:04:48,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:48,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:04:48,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:04:48,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:04:48,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:04:48,532 INFO L87 Difference]: Start difference. First operand 228 states and 327 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:48,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:48,657 INFO L93 Difference]: Finished difference Result 389 states and 555 transitions. [2024-11-24 00:04:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:48,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 117 [2024-11-24 00:04:48,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:48,660 INFO L225 Difference]: With dead ends: 389 [2024-11-24 00:04:48,660 INFO L226 Difference]: Without dead ends: 264 [2024-11-24 00:04:48,660 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:04:48,661 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 139 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:48,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 554 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:48,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-24 00:04:48,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 227. [2024-11-24 00:04:48,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 200 states have (on average 1.38) internal successors, (276), 200 states have internal predecessors, (276), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:04:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 324 transitions. [2024-11-24 00:04:48,677 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 324 transitions. Word has length 117 [2024-11-24 00:04:48,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:48,678 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 324 transitions. [2024-11-24 00:04:48,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 324 transitions. [2024-11-24 00:04:48,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-24 00:04:48,680 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:48,680 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:48,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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)] Ended with exit code 0 [2024-11-24 00:04:48,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:48,880 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:48,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:48,881 INFO L85 PathProgramCache]: Analyzing trace with hash -621669650, now seen corresponding path program 1 times [2024-11-24 00:04:48,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:48,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328410536] [2024-11-24 00:04:48,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:48,882 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 00:04:48,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:48,884 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:48,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:49,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:04:49,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 00:04:50,262 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:04:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:50,471 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:04:50,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328410536] [2024-11-24 00:04:50,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1328410536] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:04:50,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:04:50,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-24 00:04:50,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675623949] [2024-11-24 00:04:50,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:50,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:04:50,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:04:50,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:04:50,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:04:50,475 INFO L87 Difference]: Start difference. First operand 227 states and 324 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:50,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:50,610 INFO L93 Difference]: Finished difference Result 386 states and 548 transitions. [2024-11-24 00:04:50,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:50,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 117 [2024-11-24 00:04:50,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:50,613 INFO L225 Difference]: With dead ends: 386 [2024-11-24 00:04:50,614 INFO L226 Difference]: Without dead ends: 262 [2024-11-24 00:04:50,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:04:50,616 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 138 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:50,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 517 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:50,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-24 00:04:50,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 225. [2024-11-24 00:04:50,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 198 states have (on average 1.3686868686868687) internal successors, (271), 198 states have internal predecessors, (271), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:04:50,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 319 transitions. [2024-11-24 00:04:50,639 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 319 transitions. Word has length 117 [2024-11-24 00:04:50,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:50,639 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 319 transitions. [2024-11-24 00:04:50,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:50,640 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 319 transitions. [2024-11-24 00:04:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 00:04:50,641 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:50,641 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:50,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:50,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:50,845 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:50,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:50,846 INFO L85 PathProgramCache]: Analyzing trace with hash 567211757, now seen corresponding path program 1 times [2024-11-24 00:04:50,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:50,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850805963] [2024-11-24 00:04:50,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:50,846 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 00:04:50,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:50,848 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:50,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (10)] Waiting until timeout for monitored process [2024-11-24 00:04:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:51,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:04:51,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 00:04:52,316 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:04:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:52,613 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:04:52,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850805963] [2024-11-24 00:04:52,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850805963] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:04:52,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:04:52,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2024-11-24 00:04:52,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435121130] [2024-11-24 00:04:52,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:52,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:04:52,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:04:52,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:04:52,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:04:52,614 INFO L87 Difference]: Start difference. First operand 225 states and 319 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:52,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:52,797 INFO L93 Difference]: Finished difference Result 383 states and 540 transitions. [2024-11-24 00:04:52,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:52,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-24 00:04:52,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:52,800 INFO L225 Difference]: With dead ends: 383 [2024-11-24 00:04:52,800 INFO L226 Difference]: Without dead ends: 261 [2024-11-24 00:04:52,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:04:52,801 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 60 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:52,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 680 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:52,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-24 00:04:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 225. [2024-11-24 00:04:52,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 198 states have (on average 1.3636363636363635) internal successors, (270), 198 states have internal predecessors, (270), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:04:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 318 transitions. [2024-11-24 00:04:52,825 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 318 transitions. Word has length 118 [2024-11-24 00:04:52,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:52,825 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 318 transitions. [2024-11-24 00:04:52,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:52,826 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 318 transitions. [2024-11-24 00:04:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 00:04:52,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:52,828 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:52,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (10)] Forceful destruction successful, exit code 0 [2024-11-24 00:04:53,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:53,029 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:53,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:53,029 INFO L85 PathProgramCache]: Analyzing trace with hash 440617165, now seen corresponding path program 1 times [2024-11-24 00:04:53,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:53,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197526476] [2024-11-24 00:04:53,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:53,030 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 00:04:53,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:53,031 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:53,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:53,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:04:53,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:53,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-24 00:04:53,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-24 00:04:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:53,760 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:04:53,760 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:04:53,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [197526476] [2024-11-24 00:04:53,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [197526476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:53,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:53,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:04:53,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733886964] [2024-11-24 00:04:53,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:53,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:04:53,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:04:53,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:04:53,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:04:53,761 INFO L87 Difference]: Start difference. First operand 225 states and 318 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:54,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:54,007 INFO L93 Difference]: Finished difference Result 675 states and 956 transitions. [2024-11-24 00:04:54,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:04:54,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-24 00:04:54,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:54,011 INFO L225 Difference]: With dead ends: 675 [2024-11-24 00:04:54,011 INFO L226 Difference]: Without dead ends: 453 [2024-11-24 00:04:54,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:04:54,012 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 147 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:54,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1210 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:04:54,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-24 00:04:54,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 451. [2024-11-24 00:04:54,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 398 states have (on average 1.3618090452261307) internal successors, (542), 398 states have internal predecessors, (542), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 00:04:54,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 638 transitions. [2024-11-24 00:04:54,050 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 638 transitions. Word has length 118 [2024-11-24 00:04:54,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:54,050 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 638 transitions. [2024-11-24 00:04:54,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:54,051 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 638 transitions. [2024-11-24 00:04:54,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 00:04:54,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:54,052 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:54,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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)] Ended with exit code 0 [2024-11-24 00:04:54,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:54,254 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:54,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:54,255 INFO L85 PathProgramCache]: Analyzing trace with hash -191622416, now seen corresponding path program 1 times [2024-11-24 00:04:54,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:54,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321874026] [2024-11-24 00:04:54,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:54,256 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 00:04:54,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:54,258 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:54,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:54,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:04:54,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:56,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-11-24 00:04:56,209 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:04:56,209 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:04:56,209 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:04:56,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321874026] [2024-11-24 00:04:56,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1321874026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:56,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:56,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:04:56,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608775846] [2024-11-24 00:04:56,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:56,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:04:56,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:04:56,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:04:56,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:04:56,211 INFO L87 Difference]: Start difference. First operand 451 states and 638 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:57,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:57,381 INFO L93 Difference]: Finished difference Result 1028 states and 1445 transitions. [2024-11-24 00:04:57,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:04:57,382 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 119 [2024-11-24 00:04:57,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:57,385 INFO L225 Difference]: With dead ends: 1028 [2024-11-24 00:04:57,386 INFO L226 Difference]: Without dead ends: 580 [2024-11-24 00:04:57,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:04:57,391 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 405 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:57,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1288 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 00:04:57,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-24 00:04:57,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 458. [2024-11-24 00:04:57,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 405 states have (on average 1.3555555555555556) internal successors, (549), 405 states have internal predecessors, (549), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 00:04:57,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 645 transitions. [2024-11-24 00:04:57,434 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 645 transitions. Word has length 119 [2024-11-24 00:04:57,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:57,435 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 645 transitions. [2024-11-24 00:04:57,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 645 transitions. [2024-11-24 00:04:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-24 00:04:57,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:57,441 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:57,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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)] Ended with exit code 0 [2024-11-24 00:04:57,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:57,642 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:57,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:57,642 INFO L85 PathProgramCache]: Analyzing trace with hash -701095506, now seen corresponding path program 1 times [2024-11-24 00:04:57,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:57,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56519607] [2024-11-24 00:04:57,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:57,643 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 00:04:57,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:57,645 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:57,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:04:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:58,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:04:58,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:59,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-24 00:04:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 4 proven. 152 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-24 00:04:59,556 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:04:59,988 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:04:59,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 19 [2024-11-24 00:05:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 00:05:00,442 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:00,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56519607] [2024-11-24 00:05:00,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56519607] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:05:00,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:05:00,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-24 00:05:00,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466827398] [2024-11-24 00:05:00,443 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:05:00,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 00:05:00,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:00,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 00:05:00,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:05:00,444 INFO L87 Difference]: Start difference. First operand 458 states and 645 transitions. Second operand has 17 states, 15 states have (on average 7.066666666666666) internal successors, (106), 16 states have internal predecessors, (106), 6 states have call successors, (24), 4 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-24 00:05:02,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:02,443 INFO L93 Difference]: Finished difference Result 983 states and 1371 transitions. [2024-11-24 00:05:02,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 00:05:02,444 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 7.066666666666666) internal successors, (106), 16 states have internal predecessors, (106), 6 states have call successors, (24), 4 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) Word has length 119 [2024-11-24 00:05:02,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:02,447 INFO L225 Difference]: With dead ends: 983 [2024-11-24 00:05:02,448 INFO L226 Difference]: Without dead ends: 528 [2024-11-24 00:05:02,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2024-11-24 00:05:02,450 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 786 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 1525 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:02,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [786 Valid, 1525 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-24 00:05:02,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-24 00:05:02,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 410. [2024-11-24 00:05:02,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 355 states have (on average 1.343661971830986) internal successors, (477), 355 states have internal predecessors, (477), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 00:05:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 573 transitions. [2024-11-24 00:05:02,493 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 573 transitions. Word has length 119 [2024-11-24 00:05:02,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:02,494 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 573 transitions. [2024-11-24 00:05:02,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 7.066666666666666) internal successors, (106), 16 states have internal predecessors, (106), 6 states have call successors, (24), 4 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-24 00:05:02,494 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 573 transitions. [2024-11-24 00:05:02,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 00:05:02,496 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:02,497 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:02,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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)] Ended with exit code 0 [2024-11-24 00:05:02,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:02,697 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:02,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:02,698 INFO L85 PathProgramCache]: Analyzing trace with hash 554106194, now seen corresponding path program 1 times [2024-11-24 00:05:02,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:02,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810019461] [2024-11-24 00:05:02,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:02,698 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 00:05:02,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:02,701 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:02,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (14)] Waiting until timeout for monitored process [2024-11-24 00:05:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:03,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:05:03,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:04,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-11-24 00:05:04,437 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:04,437 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:04,437 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:04,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810019461] [2024-11-24 00:05:04,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1810019461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:04,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:04,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:05:04,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364685447] [2024-11-24 00:05:04,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:04,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:05:04,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:04,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:05:04,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:05:04,439 INFO L87 Difference]: Start difference. First operand 410 states and 573 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:05,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:05,255 INFO L93 Difference]: Finished difference Result 772 states and 1074 transitions. [2024-11-24 00:05:05,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:05:05,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 120 [2024-11-24 00:05:05,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:05,258 INFO L225 Difference]: With dead ends: 772 [2024-11-24 00:05:05,258 INFO L226 Difference]: Without dead ends: 421 [2024-11-24 00:05:05,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:05:05,260 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 302 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:05,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1078 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:05:05,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-24 00:05:05,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 405. [2024-11-24 00:05:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 350 states have (on average 1.34) internal successors, (469), 350 states have internal predecessors, (469), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-24 00:05:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 565 transitions. [2024-11-24 00:05:05,302 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 565 transitions. Word has length 120 [2024-11-24 00:05:05,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:05,302 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 565 transitions. [2024-11-24 00:05:05,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:05,303 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 565 transitions. [2024-11-24 00:05:05,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 00:05:05,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:05,305 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:05,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (14)] Ended with exit code 0 [2024-11-24 00:05:05,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:05,505 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:05,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:05,506 INFO L85 PathProgramCache]: Analyzing trace with hash 286651904, now seen corresponding path program 1 times [2024-11-24 00:05:05,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:05,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651037573] [2024-11-24 00:05:05,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:05,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:05:05,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:05,509 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:05,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (15)] Waiting until timeout for monitored process [2024-11-24 00:05:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:06,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-24 00:05:06,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:08,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-24 00:05:08,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:05:08,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-11-24 00:05:09,109 INFO L349 Elim1Store]: treesize reduction 26, result has 36.6 percent of original size [2024-11-24 00:05:09,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 37 [2024-11-24 00:05:09,657 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 152 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-24 00:05:09,657 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:10,174 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:10,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651037573] [2024-11-24 00:05:10,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651037573] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:10,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:10,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [19] total 24 [2024-11-24 00:05:10,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579538644] [2024-11-24 00:05:10,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:10,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:05:10,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:10,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:05:10,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-11-24 00:05:10,176 INFO L87 Difference]: Start difference. First operand 405 states and 565 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:10,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:10,586 INFO L93 Difference]: Finished difference Result 851 states and 1198 transitions. [2024-11-24 00:05:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:05:10,587 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 121 [2024-11-24 00:05:10,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:10,590 INFO L225 Difference]: With dead ends: 851 [2024-11-24 00:05:10,590 INFO L226 Difference]: Without dead ends: 606 [2024-11-24 00:05:10,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2024-11-24 00:05:10,591 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 357 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:10,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 836 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:05:10,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-24 00:05:10,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 258. [2024-11-24 00:05:10,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 230 states have (on average 1.3391304347826087) internal successors, (308), 230 states have internal predecessors, (308), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:05:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 356 transitions. [2024-11-24 00:05:10,615 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 356 transitions. Word has length 121 [2024-11-24 00:05:10,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:10,616 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 356 transitions. [2024-11-24 00:05:10,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:10,616 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 356 transitions. [2024-11-24 00:05:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 00:05:10,617 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:10,617 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:10,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (15)] Forceful destruction successful, exit code 0 [2024-11-24 00:05:10,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:10,818 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:10,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:10,818 INFO L85 PathProgramCache]: Analyzing trace with hash -2058054394, now seen corresponding path program 1 times [2024-11-24 00:05:10,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:10,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179743424] [2024-11-24 00:05:10,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:10,819 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 00:05:10,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:10,821 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:10,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (16)] Waiting until timeout for monitored process [2024-11-24 00:05:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:11,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-24 00:05:11,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:15,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-24 00:05:15,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:05:15,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-24 00:05:15,810 INFO L349 Elim1Store]: treesize reduction 26, result has 36.6 percent of original size [2024-11-24 00:05:15,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 37 [2024-11-24 00:05:16,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2024-11-24 00:05:16,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-11-24 00:05:17,033 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 12 proven. 203 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-24 00:05:17,034 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:17,729 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:17,729 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:17,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179743424] [2024-11-24 00:05:17,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179743424] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:17,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:17,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [25] total 30 [2024-11-24 00:05:17,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009637397] [2024-11-24 00:05:17,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:17,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:05:17,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:17,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:05:17,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=777, Unknown=0, NotChecked=0, Total=870 [2024-11-24 00:05:17,731 INFO L87 Difference]: Start difference. First operand 258 states and 356 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:18,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:18,136 INFO L93 Difference]: Finished difference Result 496 states and 691 transitions. [2024-11-24 00:05:18,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:05:18,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 122 [2024-11-24 00:05:18,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:18,138 INFO L225 Difference]: With dead ends: 496 [2024-11-24 00:05:18,138 INFO L226 Difference]: Without dead ends: 342 [2024-11-24 00:05:18,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 213 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=108, Invalid=884, Unknown=0, NotChecked=0, Total=992 [2024-11-24 00:05:18,140 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 351 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:18,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 571 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:05:18,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-24 00:05:18,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 258. [2024-11-24 00:05:18,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 230 states have (on average 1.3347826086956522) internal successors, (307), 230 states have internal predecessors, (307), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:05:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 355 transitions. [2024-11-24 00:05:18,172 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 355 transitions. Word has length 122 [2024-11-24 00:05:18,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:18,172 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 355 transitions. [2024-11-24 00:05:18,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:18,172 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 355 transitions. [2024-11-24 00:05:18,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 00:05:18,174 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:18,174 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:18,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (16)] Forceful destruction successful, exit code 0 [2024-11-24 00:05:18,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:18,378 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:18,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:18,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1604129370, now seen corresponding path program 1 times [2024-11-24 00:05:18,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:18,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777724394] [2024-11-24 00:05:18,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:18,380 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 00:05:18,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:18,381 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:18,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (17)] Waiting until timeout for monitored process [2024-11-24 00:05:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:18,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:05:18,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 00:05:19,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:19,701 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:19,701 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:19,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777724394] [2024-11-24 00:05:19,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777724394] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:19,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:19,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-24 00:05:19,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622390811] [2024-11-24 00:05:19,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:19,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:05:19,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:19,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:05:19,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:05:19,703 INFO L87 Difference]: Start difference. First operand 258 states and 355 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:19,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:19,850 INFO L93 Difference]: Finished difference Result 549 states and 754 transitions. [2024-11-24 00:05:19,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:05:19,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 122 [2024-11-24 00:05:19,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:19,853 INFO L225 Difference]: With dead ends: 549 [2024-11-24 00:05:19,853 INFO L226 Difference]: Without dead ends: 294 [2024-11-24 00:05:19,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:05:19,854 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 100 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:19,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 453 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:19,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-24 00:05:19,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 267. [2024-11-24 00:05:19,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 239 states have (on average 1.3263598326359833) internal successors, (317), 239 states have internal predecessors, (317), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:05:19,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 365 transitions. [2024-11-24 00:05:19,874 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 365 transitions. Word has length 122 [2024-11-24 00:05:19,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:19,875 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 365 transitions. [2024-11-24 00:05:19,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:19,875 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 365 transitions. [2024-11-24 00:05:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 00:05:19,876 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:19,876 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:19,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (17)] Ended with exit code 0 [2024-11-24 00:05:20,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:20,077 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:20,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:20,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1203699491, now seen corresponding path program 1 times [2024-11-24 00:05:20,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:20,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670255014] [2024-11-24 00:05:20,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:20,078 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 00:05:20,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:20,080 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:20,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (18)] Waiting until timeout for monitored process [2024-11-24 00:05:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:20,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:05:20,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:22,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-24 00:05:22,147 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 4 proven. 152 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-24 00:05:22,148 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:22,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:05:22,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 19 [2024-11-24 00:05:23,025 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 00:05:23,025 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:23,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670255014] [2024-11-24 00:05:23,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1670255014] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:05:23,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:05:23,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-24 00:05:23,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566365725] [2024-11-24 00:05:23,026 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:05:23,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 00:05:23,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:23,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 00:05:23,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:05:23,027 INFO L87 Difference]: Start difference. First operand 267 states and 365 transitions. Second operand has 17 states, 15 states have (on average 8.6) internal successors, (129), 16 states have internal predecessors, (129), 6 states have call successors, (24), 4 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-24 00:05:24,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:24,649 INFO L93 Difference]: Finished difference Result 603 states and 818 transitions. [2024-11-24 00:05:24,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 00:05:24,650 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 8.6) internal successors, (129), 16 states have internal predecessors, (129), 6 states have call successors, (24), 4 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) Word has length 122 [2024-11-24 00:05:24,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:24,652 INFO L225 Difference]: With dead ends: 603 [2024-11-24 00:05:24,652 INFO L226 Difference]: Without dead ends: 339 [2024-11-24 00:05:24,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=217, Invalid=595, Unknown=0, NotChecked=0, Total=812 [2024-11-24 00:05:24,654 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 874 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:24,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 1274 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 00:05:24,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-24 00:05:24,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 308. [2024-11-24 00:05:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 280 states have (on average 1.3178571428571428) internal successors, (369), 280 states have internal predecessors, (369), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:05:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 417 transitions. [2024-11-24 00:05:24,677 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 417 transitions. Word has length 122 [2024-11-24 00:05:24,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:24,678 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 417 transitions. [2024-11-24 00:05:24,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 8.6) internal successors, (129), 16 states have internal predecessors, (129), 6 states have call successors, (24), 4 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-24 00:05:24,678 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 417 transitions. [2024-11-24 00:05:24,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 00:05:24,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:24,679 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:24,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (18)] Forceful destruction successful, exit code 0 [2024-11-24 00:05:24,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:24,880 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:24,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:24,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1904764069, now seen corresponding path program 1 times [2024-11-24 00:05:24,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:24,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017054439] [2024-11-24 00:05:24,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:24,881 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 00:05:24,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:24,883 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:24,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (19)] Waiting until timeout for monitored process [2024-11-24 00:05:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:25,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 00:05:25,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:25,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-11-24 00:05:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:26,169 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:26,169 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:26,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017054439] [2024-11-24 00:05:26,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017054439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:26,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:26,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 00:05:26,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222133568] [2024-11-24 00:05:26,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:26,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 00:05:26,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:26,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 00:05:26,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:05:26,170 INFO L87 Difference]: Start difference. First operand 308 states and 417 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:27,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:27,211 INFO L93 Difference]: Finished difference Result 700 states and 947 transitions. [2024-11-24 00:05:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 00:05:27,212 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 122 [2024-11-24 00:05:27,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:27,214 INFO L225 Difference]: With dead ends: 700 [2024-11-24 00:05:27,214 INFO L226 Difference]: Without dead ends: 395 [2024-11-24 00:05:27,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2024-11-24 00:05:27,216 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 308 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 1900 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:27,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 1900 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:05:27,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-24 00:05:27,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 308. [2024-11-24 00:05:27,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 280 states have (on average 1.3142857142857143) internal successors, (368), 280 states have internal predecessors, (368), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 00:05:27,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 416 transitions. [2024-11-24 00:05:27,237 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 416 transitions. Word has length 122 [2024-11-24 00:05:27,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:27,237 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 416 transitions. [2024-11-24 00:05:27,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 416 transitions. [2024-11-24 00:05:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 00:05:27,238 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:27,239 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:27,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (19)] Ended with exit code 0 [2024-11-24 00:05:27,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:27,440 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:27,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:27,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1377621563, now seen corresponding path program 1 times [2024-11-24 00:05:27,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:27,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581507548] [2024-11-24 00:05:27,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:27,441 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 00:05:27,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:27,443 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:27,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (20)] Waiting until timeout for monitored process [2024-11-24 00:05:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:28,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 00:05:28,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:28,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-24 00:05:28,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-24 00:05:28,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 34 [2024-11-24 00:05:28,596 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-24 00:05:28,596 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:28,863 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:28,864 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:28,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581507548] [2024-11-24 00:05:28,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581507548] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:28,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:28,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 14 [2024-11-24 00:05:28,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358794493] [2024-11-24 00:05:28,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:28,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:05:28,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:28,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:05:28,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:05:28,865 INFO L87 Difference]: Start difference. First operand 308 states and 416 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:29,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:29,311 INFO L93 Difference]: Finished difference Result 576 states and 780 transitions. [2024-11-24 00:05:29,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 00:05:29,311 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 123 [2024-11-24 00:05:29,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:29,313 INFO L225 Difference]: With dead ends: 576 [2024-11-24 00:05:29,313 INFO L226 Difference]: Without dead ends: 411 [2024-11-24 00:05:29,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:05:29,314 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 69 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:29,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 1168 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:05:29,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-24 00:05:29,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 399. [2024-11-24 00:05:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 366 states have (on average 1.3087431693989071) internal successors, (479), 367 states have internal predecessors, (479), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 00:05:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 535 transitions. [2024-11-24 00:05:29,336 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 535 transitions. Word has length 123 [2024-11-24 00:05:29,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:29,336 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 535 transitions. [2024-11-24 00:05:29,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:29,337 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 535 transitions. [2024-11-24 00:05:29,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 00:05:29,338 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:29,338 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:29,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (20)] Ended with exit code 0 [2024-11-24 00:05:29,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:29,538 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:29,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:29,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1158766845, now seen corresponding path program 1 times [2024-11-24 00:05:29,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:29,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [673868764] [2024-11-24 00:05:29,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:29,540 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:05:29,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:29,543 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:29,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (21)] Waiting until timeout for monitored process [2024-11-24 00:05:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:30,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:05:30,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:30,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-24 00:05:30,823 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 8 proven. 132 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-24 00:05:30,823 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:31,042 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:31,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [673868764] [2024-11-24 00:05:31,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [673868764] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:31,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:31,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-24 00:05:31,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660490671] [2024-11-24 00:05:31,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:31,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:05:31,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:31,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:05:31,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:05:31,044 INFO L87 Difference]: Start difference. First operand 399 states and 535 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:31,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:31,161 INFO L93 Difference]: Finished difference Result 693 states and 928 transitions. [2024-11-24 00:05:31,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:05:31,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 123 [2024-11-24 00:05:31,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:31,166 INFO L225 Difference]: With dead ends: 693 [2024-11-24 00:05:31,166 INFO L226 Difference]: Without dead ends: 449 [2024-11-24 00:05:31,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:05:31,167 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 118 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:31,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 553 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:31,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-24 00:05:31,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 445. [2024-11-24 00:05:31,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 406 states have (on average 1.2955665024630543) internal successors, (526), 409 states have internal predecessors, (526), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 29 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 00:05:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 590 transitions. [2024-11-24 00:05:31,197 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 590 transitions. Word has length 123 [2024-11-24 00:05:31,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:31,197 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 590 transitions. [2024-11-24 00:05:31,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:31,198 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 590 transitions. [2024-11-24 00:05:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:05:31,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:31,199 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:31,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (21)] Ended with exit code 0 [2024-11-24 00:05:31,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:31,403 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:31,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:31,405 INFO L85 PathProgramCache]: Analyzing trace with hash 665413722, now seen corresponding path program 1 times [2024-11-24 00:05:31,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:31,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147205942] [2024-11-24 00:05:31,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:31,406 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 00:05:31,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:31,408 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:31,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (22)] Waiting until timeout for monitored process [2024-11-24 00:05:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:32,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-24 00:05:32,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:33,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-24 00:05:34,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-24 00:05:34,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-24 00:05:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 152 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-24 00:05:34,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:35,322 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:35,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147205942] [2024-11-24 00:05:35,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [147205942] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:35,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:35,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2024-11-24 00:05:35,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050927728] [2024-11-24 00:05:35,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:35,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:05:35,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:35,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:05:35,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:05:35,324 INFO L87 Difference]: Start difference. First operand 445 states and 590 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:36,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:36,205 INFO L93 Difference]: Finished difference Result 796 states and 1065 transitions. [2024-11-24 00:05:36,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:05:36,206 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 124 [2024-11-24 00:05:36,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:36,209 INFO L225 Difference]: With dead ends: 796 [2024-11-24 00:05:36,209 INFO L226 Difference]: Without dead ends: 522 [2024-11-24 00:05:36,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=89, Invalid=781, Unknown=0, NotChecked=0, Total=870 [2024-11-24 00:05:36,211 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 52 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:36,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1288 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:05:36,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-24 00:05:36,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 454. [2024-11-24 00:05:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 415 states have (on average 1.2891566265060241) internal successors, (535), 418 states have internal predecessors, (535), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 29 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 00:05:36,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 599 transitions. [2024-11-24 00:05:36,240 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 599 transitions. Word has length 124 [2024-11-24 00:05:36,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:36,241 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 599 transitions. [2024-11-24 00:05:36,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:36,241 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 599 transitions. [2024-11-24 00:05:36,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:05:36,242 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:36,242 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:36,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (22)] Forceful destruction successful, exit code 0 [2024-11-24 00:05:36,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:36,443 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:36,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:36,443 INFO L85 PathProgramCache]: Analyzing trace with hash 364779023, now seen corresponding path program 1 times [2024-11-24 00:05:36,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:36,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1438820211] [2024-11-24 00:05:36,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:36,444 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 00:05:36,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:36,448 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:36,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (23)] Waiting until timeout for monitored process [2024-11-24 00:05:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:37,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:05:37,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:37,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-24 00:05:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 00:05:37,865 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:38,167 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:38,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1438820211] [2024-11-24 00:05:38,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1438820211] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:38,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:38,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-24 00:05:38,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160983616] [2024-11-24 00:05:38,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:38,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:05:38,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:38,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:05:38,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:05:38,169 INFO L87 Difference]: Start difference. First operand 454 states and 599 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:38,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:38,362 INFO L93 Difference]: Finished difference Result 793 states and 1053 transitions. [2024-11-24 00:05:38,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:05:38,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 124 [2024-11-24 00:05:38,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:38,366 INFO L225 Difference]: With dead ends: 793 [2024-11-24 00:05:38,366 INFO L226 Difference]: Without dead ends: 507 [2024-11-24 00:05:38,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:05:38,369 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 47 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:38,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 645 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:38,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-24 00:05:38,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 394. [2024-11-24 00:05:38,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 355 states have (on average 1.2845070422535212) internal successors, (456), 358 states have internal predecessors, (456), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 29 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 00:05:38,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 520 transitions. [2024-11-24 00:05:38,396 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 520 transitions. Word has length 124 [2024-11-24 00:05:38,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:38,397 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 520 transitions. [2024-11-24 00:05:38,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:38,397 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 520 transitions. [2024-11-24 00:05:38,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:05:38,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:38,399 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:38,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (23)] Ended with exit code 0 [2024-11-24 00:05:38,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:38,599 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:38,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:38,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1200422515, now seen corresponding path program 1 times [2024-11-24 00:05:38,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:38,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794189457] [2024-11-24 00:05:38,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:38,600 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 00:05:38,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:38,603 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:38,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (24)] Waiting until timeout for monitored process [2024-11-24 00:05:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:39,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:05:39,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:39,210 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:39,210 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:39,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [794189457] [2024-11-24 00:05:39,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [794189457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:39,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:39,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:05:39,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974314459] [2024-11-24 00:05:39,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:39,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:05:39,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:39,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:05:39,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:39,211 INFO L87 Difference]: Start difference. First operand 394 states and 520 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:39,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:39,261 INFO L93 Difference]: Finished difference Result 788 states and 1043 transitions. [2024-11-24 00:05:39,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:05:39,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 124 [2024-11-24 00:05:39,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:39,264 INFO L225 Difference]: With dead ends: 788 [2024-11-24 00:05:39,264 INFO L226 Difference]: Without dead ends: 406 [2024-11-24 00:05:39,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:39,265 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:39,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 600 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:05:39,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-24 00:05:39,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2024-11-24 00:05:39,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 367 states have (on average 1.2752043596730245) internal successors, (468), 370 states have internal predecessors, (468), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 29 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 00:05:39,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 532 transitions. [2024-11-24 00:05:39,300 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 532 transitions. Word has length 124 [2024-11-24 00:05:39,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:39,300 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 532 transitions. [2024-11-24 00:05:39,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:39,301 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 532 transitions. [2024-11-24 00:05:39,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 00:05:39,302 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:39,302 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:39,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (24)] Ended with exit code 0 [2024-11-24 00:05:39,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:39,503 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:39,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:39,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1929787534, now seen corresponding path program 1 times [2024-11-24 00:05:39,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:39,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855244243] [2024-11-24 00:05:39,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:39,503 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 00:05:39,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:39,507 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:39,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (25)] Waiting until timeout for monitored process [2024-11-24 00:05:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:40,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:05:40,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:40,618 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-24 00:05:40,618 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:40,802 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:40,802 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:40,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855244243] [2024-11-24 00:05:40,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [855244243] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:40,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:40,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-24 00:05:40,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483253227] [2024-11-24 00:05:40,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:40,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:05:40,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:40,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:05:40,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:05:40,803 INFO L87 Difference]: Start difference. First operand 406 states and 532 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:40,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:40,913 INFO L93 Difference]: Finished difference Result 851 states and 1117 transitions. [2024-11-24 00:05:40,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:05:40,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 126 [2024-11-24 00:05:40,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:40,916 INFO L225 Difference]: With dead ends: 851 [2024-11-24 00:05:40,916 INFO L226 Difference]: Without dead ends: 457 [2024-11-24 00:05:40,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:05:40,918 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 40 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:40,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 589 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:05:40,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-24 00:05:40,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 404. [2024-11-24 00:05:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 365 states have (on average 1.2684931506849315) internal successors, (463), 368 states have internal predecessors, (463), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 29 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 00:05:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 527 transitions. [2024-11-24 00:05:40,946 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 527 transitions. Word has length 126 [2024-11-24 00:05:40,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:40,946 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 527 transitions. [2024-11-24 00:05:40,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:40,946 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 527 transitions. [2024-11-24 00:05:40,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:05:40,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:40,947 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:40,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (25)] Ended with exit code 0 [2024-11-24 00:05:41,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:41,149 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:41,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:41,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1852767473, now seen corresponding path program 1 times [2024-11-24 00:05:41,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:41,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206288037] [2024-11-24 00:05:41,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:41,150 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 00:05:41,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:41,153 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:41,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (26)] Waiting until timeout for monitored process [2024-11-24 00:05:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:41,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 00:05:41,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:42,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-11-24 00:05:42,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-24 00:05:42,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-24 00:05:42,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-24 00:05:42,613 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-24 00:05:42,613 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:43,084 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:43,085 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:43,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206288037] [2024-11-24 00:05:43,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206288037] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:43,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:43,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 14 [2024-11-24 00:05:43,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192972327] [2024-11-24 00:05:43,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:43,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:05:43,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:43,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:05:43,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:05:43,086 INFO L87 Difference]: Start difference. First operand 404 states and 527 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:44,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:44,213 INFO L93 Difference]: Finished difference Result 873 states and 1130 transitions. [2024-11-24 00:05:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:05:44,214 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 128 [2024-11-24 00:05:44,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:44,217 INFO L225 Difference]: With dead ends: 873 [2024-11-24 00:05:44,217 INFO L226 Difference]: Without dead ends: 578 [2024-11-24 00:05:44,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 242 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:05:44,218 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 60 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:44,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 1552 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 00:05:44,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-24 00:05:44,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 494. [2024-11-24 00:05:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 452 states have (on average 1.2632743362831858) internal successors, (571), 456 states have internal predecessors, (571), 34 states have call successors, (34), 7 states have call predecessors, (34), 7 states have return successors, (34), 30 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 00:05:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 639 transitions. [2024-11-24 00:05:44,251 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 639 transitions. Word has length 128 [2024-11-24 00:05:44,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:44,252 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 639 transitions. [2024-11-24 00:05:44,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:44,252 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 639 transitions. [2024-11-24 00:05:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:05:44,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:44,253 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:44,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (26)] Ended with exit code 0 [2024-11-24 00:05:44,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:44,454 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:44,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:44,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1762141453, now seen corresponding path program 1 times [2024-11-24 00:05:44,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:44,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209439307] [2024-11-24 00:05:44,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:44,455 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 00:05:44,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:44,458 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:44,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (27)] Waiting until timeout for monitored process [2024-11-24 00:05:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:45,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:05:45,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:45,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-24 00:05:45,301 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:45,302 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:45,302 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:45,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209439307] [2024-11-24 00:05:45,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1209439307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:45,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:45,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:05:45,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881816122] [2024-11-24 00:05:45,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:45,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:05:45,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:45,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:05:45,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:45,305 INFO L87 Difference]: Start difference. First operand 494 states and 639 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:45,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:45,574 INFO L93 Difference]: Finished difference Result 904 states and 1168 transitions. [2024-11-24 00:05:45,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:05:45,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 128 [2024-11-24 00:05:45,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:45,577 INFO L225 Difference]: With dead ends: 904 [2024-11-24 00:05:45,577 INFO L226 Difference]: Without dead ends: 519 [2024-11-24 00:05:45,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:05:45,579 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 50 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:45,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 739 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:05:45,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-24 00:05:45,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 490. [2024-11-24 00:05:45,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 448 states have (on average 1.2589285714285714) internal successors, (564), 452 states have internal predecessors, (564), 34 states have call successors, (34), 7 states have call predecessors, (34), 7 states have return successors, (34), 30 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-24 00:05:45,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 632 transitions. [2024-11-24 00:05:45,612 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 632 transitions. Word has length 128 [2024-11-24 00:05:45,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:45,612 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 632 transitions. [2024-11-24 00:05:45,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:45,613 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 632 transitions. [2024-11-24 00:05:45,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:05:45,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:45,616 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:45,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (27)] Ended with exit code 0 [2024-11-24 00:05:45,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:45,817 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:45,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:45,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1780380915, now seen corresponding path program 1 times [2024-11-24 00:05:45,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:45,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106306863] [2024-11-24 00:05:45,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:45,818 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 00:05:45,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:45,819 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:45,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (28)] Waiting until timeout for monitored process [2024-11-24 00:05:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:46,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:05:46,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:46,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-24 00:05:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:46,610 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:46,610 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:46,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106306863] [2024-11-24 00:05:46,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1106306863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:46,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:46,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:05:46,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857930233] [2024-11-24 00:05:46,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:46,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:05:46,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:46,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:05:46,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:46,612 INFO L87 Difference]: Start difference. First operand 490 states and 632 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:47,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:47,218 INFO L93 Difference]: Finished difference Result 963 states and 1238 transitions. [2024-11-24 00:05:47,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:05:47,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 128 [2024-11-24 00:05:47,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:47,222 INFO L225 Difference]: With dead ends: 963 [2024-11-24 00:05:47,222 INFO L226 Difference]: Without dead ends: 582 [2024-11-24 00:05:47,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:05:47,224 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 53 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:47,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 711 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:05:47,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-24 00:05:47,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 487. [2024-11-24 00:05:47,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 442 states have (on average 1.255656108597285) internal successors, (555), 446 states have internal predecessors, (555), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 32 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 00:05:47,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 627 transitions. [2024-11-24 00:05:47,260 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 627 transitions. Word has length 128 [2024-11-24 00:05:47,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:47,261 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 627 transitions. [2024-11-24 00:05:47,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:47,261 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 627 transitions. [2024-11-24 00:05:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:05:47,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:47,262 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:47,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (28)] Ended with exit code 0 [2024-11-24 00:05:47,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:47,463 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:47,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:47,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1834528011, now seen corresponding path program 1 times [2024-11-24 00:05:47,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:47,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939896992] [2024-11-24 00:05:47,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:47,464 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 00:05:47,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:47,468 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:47,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (29)] Waiting until timeout for monitored process [2024-11-24 00:05:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:48,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 00:05:48,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:48,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-11-24 00:05:48,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-24 00:05:48,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-24 00:05:48,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-24 00:05:48,798 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-24 00:05:48,798 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:49,346 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-24 00:05:49,347 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:49,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1939896992] [2024-11-24 00:05:49,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1939896992] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:49,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:49,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 14 [2024-11-24 00:05:49,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011960667] [2024-11-24 00:05:49,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:49,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:05:49,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:49,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:05:49,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:05:49,349 INFO L87 Difference]: Start difference. First operand 487 states and 627 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:50,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:50,476 INFO L93 Difference]: Finished difference Result 916 states and 1176 transitions. [2024-11-24 00:05:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:05:50,476 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 128 [2024-11-24 00:05:50,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:50,479 INFO L225 Difference]: With dead ends: 916 [2024-11-24 00:05:50,479 INFO L226 Difference]: Without dead ends: 546 [2024-11-24 00:05:50,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 242 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:05:50,481 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 53 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1694 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:50,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1694 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 00:05:50,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-11-24 00:05:50,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 481. [2024-11-24 00:05:50,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 436 states have (on average 1.2568807339449541) internal successors, (548), 440 states have internal predecessors, (548), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 32 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 00:05:50,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 620 transitions. [2024-11-24 00:05:50,536 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 620 transitions. Word has length 128 [2024-11-24 00:05:50,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:50,536 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 620 transitions. [2024-11-24 00:05:50,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:05:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 620 transitions. [2024-11-24 00:05:50,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 00:05:50,537 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:50,538 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:50,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (29)] Ended with exit code 0 [2024-11-24 00:05:50,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:50,738 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:50,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:50,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1539155420, now seen corresponding path program 1 times [2024-11-24 00:05:50,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:50,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208444652] [2024-11-24 00:05:50,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:50,739 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 00:05:50,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:50,741 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:50,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (30)] Waiting until timeout for monitored process [2024-11-24 00:05:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:51,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:05:51,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:51,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:05:51,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-11-24 00:05:51,918 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-24 00:05:51,918 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:51,918 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:51,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208444652] [2024-11-24 00:05:51,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208444652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:51,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:51,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:05:51,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954204141] [2024-11-24 00:05:51,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:51,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:05:51,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:51,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:05:51,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:05:51,919 INFO L87 Difference]: Start difference. First operand 481 states and 620 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:05:54,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:54,812 INFO L93 Difference]: Finished difference Result 944 states and 1220 transitions. [2024-11-24 00:05:54,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:05:54,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2024-11-24 00:05:54,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:54,821 INFO L225 Difference]: With dead ends: 944 [2024-11-24 00:05:54,821 INFO L226 Difference]: Without dead ends: 483 [2024-11-24 00:05:54,823 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:05:54,827 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 125 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:54,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 494 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-24 00:05:54,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-24 00:05:54,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 481. [2024-11-24 00:05:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 436 states have (on average 1.2522935779816513) internal successors, (546), 440 states have internal predecessors, (546), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 32 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 00:05:54,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 618 transitions. [2024-11-24 00:05:54,864 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 618 transitions. Word has length 128 [2024-11-24 00:05:54,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:54,864 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 618 transitions. [2024-11-24 00:05:54,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:05:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 618 transitions. [2024-11-24 00:05:54,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 00:05:54,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:54,865 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:54,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (30)] Ended with exit code 0 [2024-11-24 00:05:55,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:55,066 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:55,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:55,066 INFO L85 PathProgramCache]: Analyzing trace with hash -339426326, now seen corresponding path program 1 times [2024-11-24 00:05:55,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:55,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865571874] [2024-11-24 00:05:55,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:55,067 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 00:05:55,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:55,069 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:55,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (31)] Waiting until timeout for monitored process [2024-11-24 00:05:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:55,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:05:55,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:56,266 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:05:56,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-11-24 00:05:56,305 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-24 00:05:56,305 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:56,305 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:05:56,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865571874] [2024-11-24 00:05:56,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865571874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:56,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:56,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:05:56,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605688293] [2024-11-24 00:05:56,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:56,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:05:56,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:05:56,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:05:56,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:05:56,307 INFO L87 Difference]: Start difference. First operand 481 states and 618 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:05:59,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:59,748 INFO L93 Difference]: Finished difference Result 944 states and 1216 transitions. [2024-11-24 00:05:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:05:59,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 130 [2024-11-24 00:05:59,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:59,755 INFO L225 Difference]: With dead ends: 944 [2024-11-24 00:05:59,756 INFO L226 Difference]: Without dead ends: 483 [2024-11-24 00:05:59,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:05:59,757 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 115 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:05:59,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 486 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-24 00:05:59,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-24 00:05:59,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 481. [2024-11-24 00:05:59,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 436 states have (on average 1.2477064220183487) internal successors, (544), 440 states have internal predecessors, (544), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 32 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 00:05:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 616 transitions. [2024-11-24 00:05:59,794 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 616 transitions. Word has length 130 [2024-11-24 00:05:59,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:59,794 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 616 transitions. [2024-11-24 00:05:59,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:05:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 616 transitions. [2024-11-24 00:05:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 00:05:59,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:59,796 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:59,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (31)] Ended with exit code 0 [2024-11-24 00:05:59,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:05:59,996 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:59,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:59,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1199963876, now seen corresponding path program 1 times [2024-11-24 00:05:59,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:05:59,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590246760] [2024-11-24 00:05:59,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:59,997 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 00:05:59,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:05:59,999 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:06:00,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (32)] Waiting until timeout for monitored process [2024-11-24 00:06:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:00,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:06:00,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:01,170 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:06:01,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-11-24 00:06:01,209 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-24 00:06:01,209 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:06:01,209 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:06:01,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590246760] [2024-11-24 00:06:01,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [590246760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:01,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:01,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:06:01,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138301640] [2024-11-24 00:06:01,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:01,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:06:01,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:06:01,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:06:01,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:06:01,210 INFO L87 Difference]: Start difference. First operand 481 states and 616 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:06:04,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:04,031 INFO L93 Difference]: Finished difference Result 944 states and 1212 transitions. [2024-11-24 00:06:04,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:06:04,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 132 [2024-11-24 00:06:04,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:06:04,038 INFO L225 Difference]: With dead ends: 944 [2024-11-24 00:06:04,038 INFO L226 Difference]: Without dead ends: 483 [2024-11-24 00:06:04,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:06:04,039 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 107 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:06:04,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 482 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-24 00:06:04,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-24 00:06:04,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 481. [2024-11-24 00:06:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 436 states have (on average 1.2431192660550459) internal successors, (542), 440 states have internal predecessors, (542), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 32 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 00:06:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 614 transitions. [2024-11-24 00:06:04,073 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 614 transitions. Word has length 132 [2024-11-24 00:06:04,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:06:04,073 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 614 transitions. [2024-11-24 00:06:04,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:06:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 614 transitions. [2024-11-24 00:06:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 00:06:04,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:06:04,074 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:04,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (32)] Ended with exit code 0 [2024-11-24 00:06:04,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:06:04,275 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:06:04,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:04,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1551787350, now seen corresponding path program 1 times [2024-11-24 00:06:04,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:06:04,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420780510] [2024-11-24 00:06:04,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:04,276 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 00:06:04,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:06:04,278 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:06:04,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (33)] Waiting until timeout for monitored process [2024-11-24 00:06:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:05,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:06:05,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:05,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:06:05,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-11-24 00:06:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 00:06:05,570 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:06:05,570 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:06:05,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420780510] [2024-11-24 00:06:05,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420780510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:06:05,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:06:05,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:06:05,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534645250] [2024-11-24 00:06:05,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:06:05,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:06:05,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:06:05,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:06:05,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:06:05,571 INFO L87 Difference]: Start difference. First operand 481 states and 614 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:06:08,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:08,390 INFO L93 Difference]: Finished difference Result 944 states and 1208 transitions. [2024-11-24 00:06:08,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:06:08,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 134 [2024-11-24 00:06:08,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:06:08,397 INFO L225 Difference]: With dead ends: 944 [2024-11-24 00:06:08,397 INFO L226 Difference]: Without dead ends: 483 [2024-11-24 00:06:08,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:06:08,398 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 98 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:06:08,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 479 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-24 00:06:08,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-24 00:06:08,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 481. [2024-11-24 00:06:08,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 436 states have (on average 1.238532110091743) internal successors, (540), 440 states have internal predecessors, (540), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 32 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 00:06:08,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 612 transitions. [2024-11-24 00:06:08,434 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 612 transitions. Word has length 134 [2024-11-24 00:06:08,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:06:08,435 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 612 transitions. [2024-11-24 00:06:08,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 00:06:08,435 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 612 transitions. [2024-11-24 00:06:08,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 00:06:08,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:06:08,436 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:08,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (33)] Ended with exit code 0 [2024-11-24 00:06:08,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:06:08,637 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:06:08,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:08,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1604088740, now seen corresponding path program 1 times [2024-11-24 00:06:08,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:06:08,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376754503] [2024-11-24 00:06:08,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:08,638 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:06:08,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:06:08,639 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 00:06:08,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c15e654f-aa44-40c1-b724-3884b243087e/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 (34)] Waiting until timeout for monitored process