./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:32:05,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:32:05,796 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 23:32:05,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:32:05,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:32:05,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:32:05,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:32:05,840 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:32:05,841 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:32:05,841 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:32:05,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:32:05,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:32:05,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:32:05,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:32:05,842 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:32:05,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:32:05,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:32:05,842 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:32:05,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:32:05,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:32:05,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:32:05,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:32:05,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:32:05,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:32:05,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:32:05,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:32:05,843 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:32:05,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:32:05,846 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:32:05,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:32:05,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:32:05,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:32:05,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:32:05,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:32:05,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:32:05,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:32:05,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:32:05,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:32:05,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:32:05,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:32:05,848 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:32:05,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:32:05,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:32:05,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:32:05,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:32:05,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:32:05,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:32:05,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:32:05,848 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_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 [2024-11-27 23:32:06,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:32:06,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:32:06,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:32:06,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:32:06,229 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:32:06,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2024-11-27 23:32:09,470 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/data/1932241fd/68d2eeb5c3364fd1857605c65e248fea/FLAGc76673f89 [2024-11-27 23:32:09,885 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:32:09,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2024-11-27 23:32:09,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/data/1932241fd/68d2eeb5c3364fd1857605c65e248fea/FLAGc76673f89 [2024-11-27 23:32:09,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/data/1932241fd/68d2eeb5c3364fd1857605c65e248fea [2024-11-27 23:32:09,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:32:09,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:32:09,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:32:09,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:32:09,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:32:09,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:32:09" (1/1) ... [2024-11-27 23:32:09,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d557c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:09, skipping insertion in model container [2024-11-27 23:32:09,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:32:09" (1/1) ... [2024-11-27 23:32:09,967 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:32:10,205 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_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2024-11-27 23:32:10,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:32:10,350 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:32:10,363 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_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2024-11-27 23:32:10,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:32:10,461 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:32:10,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10 WrapperNode [2024-11-27 23:32:10,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:32:10,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:32:10,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:32:10,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:32:10,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,588 INFO L138 Inliner]: procedures = 30, calls = 243, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 763 [2024-11-27 23:32:10,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:32:10,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:32:10,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:32:10,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:32:10,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,624 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,633 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-27 23:32:10,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,705 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:32:10,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:32:10,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:32:10,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:32:10,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (1/1) ... [2024-11-27 23:32:10,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:32:10,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:10,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:10,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:32:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:32:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-27 23:32:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-27 23:32:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-27 23:32:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 23:32:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-27 23:32:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 23:32:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:32:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:32:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 23:32:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:32:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:32:11,121 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:32:11,123 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:32:12,808 INFO L? ?]: Removed 251 outVars from TransFormulas that were not future-live. [2024-11-27 23:32:12,808 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:32:12,825 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:32:12,825 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:32:12,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:12 BoogieIcfgContainer [2024-11-27 23:32:12,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:32:12,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:32:12,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:32:12,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:32:12,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:32:09" (1/3) ... [2024-11-27 23:32:12,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd91d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:32:12, skipping insertion in model container [2024-11-27 23:32:12,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:10" (2/3) ... [2024-11-27 23:32:12,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd91d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:32:12, skipping insertion in model container [2024-11-27 23:32:12,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:12" (3/3) ... [2024-11-27 23:32:12,840 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-86.i [2024-11-27 23:32:12,860 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:32:12,862 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-86.i that has 2 procedures, 159 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:32:12,967 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:32:12,990 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;@30ab52a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:32:12,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:32:12,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 131 states have (on average 1.4351145038167938) internal successors, (188), 132 states have internal predecessors, (188), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:32:13,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-27 23:32:13,023 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:13,025 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:13,026 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:13,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:13,036 INFO L85 PathProgramCache]: Analyzing trace with hash -665917478, now seen corresponding path program 1 times [2024-11-27 23:32:13,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:13,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501017384] [2024-11-27 23:32:13,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:13,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:13,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-27 23:32:13,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:13,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501017384] [2024-11-27 23:32:13,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501017384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:13,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21442649] [2024-11-27 23:32:13,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:13,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:13,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:13,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:13,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:32:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:14,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:32:14,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:14,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-27 23:32:14,289 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:14,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21442649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:14,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:14,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:32:14,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109056624] [2024-11-27 23:32:14,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:14,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:32:14,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:14,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:32:14,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:32:14,323 INFO L87 Difference]: Start difference. First operand has 159 states, 131 states have (on average 1.4351145038167938) internal successors, (188), 132 states have internal predecessors, (188), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:32:14,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:14,374 INFO L93 Difference]: Finished difference Result 311 states and 495 transitions. [2024-11-27 23:32:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:32:14,378 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 185 [2024-11-27 23:32:14,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:14,389 INFO L225 Difference]: With dead ends: 311 [2024-11-27 23:32:14,389 INFO L226 Difference]: Without dead ends: 155 [2024-11-27 23:32:14,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:32:14,397 INFO L435 NwaCegarLoop]: 231 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, 231 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 [2024-11-27 23:32:14,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:32:14,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-27 23:32:14,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-27 23:32:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.4140625) internal successors, (181), 128 states have internal predecessors, (181), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:32:14,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 231 transitions. [2024-11-27 23:32:14,451 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 231 transitions. Word has length 185 [2024-11-27 23:32:14,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:14,451 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 231 transitions. [2024-11-27 23:32:14,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:32:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 231 transitions. [2024-11-27 23:32:14,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-27 23:32:14,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:14,456 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:14,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 23:32:14,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 23:32:14,661 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:14,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:14,662 INFO L85 PathProgramCache]: Analyzing trace with hash 238950816, now seen corresponding path program 1 times [2024-11-27 23:32:14,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:14,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920990940] [2024-11-27 23:32:14,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:14,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:15,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-27 23:32:15,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:15,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920990940] [2024-11-27 23:32:15,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920990940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:15,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:15,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:32:15,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692653530] [2024-11-27 23:32:15,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:15,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:32:15,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:15,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:32:15,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:32:15,355 INFO L87 Difference]: Start difference. First operand 155 states and 231 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-27 23:32:15,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:15,441 INFO L93 Difference]: Finished difference Result 310 states and 463 transitions. [2024-11-27 23:32:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:32:15,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2024-11-27 23:32:15,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:15,449 INFO L225 Difference]: With dead ends: 310 [2024-11-27 23:32:15,449 INFO L226 Difference]: Without dead ends: 158 [2024-11-27 23:32:15,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:32:15,451 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 1 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:15,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 675 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:32:15,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-27 23:32:15,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2024-11-27 23:32:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 130 states have (on average 1.4076923076923078) internal successors, (183), 130 states have internal predecessors, (183), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:32:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 233 transitions. [2024-11-27 23:32:15,478 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 233 transitions. Word has length 185 [2024-11-27 23:32:15,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:15,482 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 233 transitions. [2024-11-27 23:32:15,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-27 23:32:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 233 transitions. [2024-11-27 23:32:15,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-27 23:32:15,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:15,489 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:15,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:32:15,489 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:15,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:15,491 INFO L85 PathProgramCache]: Analyzing trace with hash 240797858, now seen corresponding path program 1 times [2024-11-27 23:32:15,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:15,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288543074] [2024-11-27 23:32:15,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:15,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-27 23:32:17,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:17,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288543074] [2024-11-27 23:32:17,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288543074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:17,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:17,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:32:17,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16744382] [2024-11-27 23:32:17,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:17,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:32:17,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:17,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:32:17,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:17,510 INFO L87 Difference]: Start difference. First operand 157 states and 233 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-27 23:32:18,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:18,616 INFO L93 Difference]: Finished difference Result 410 states and 609 transitions. [2024-11-27 23:32:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:32:18,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 185 [2024-11-27 23:32:18,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:18,620 INFO L225 Difference]: With dead ends: 410 [2024-11-27 23:32:18,620 INFO L226 Difference]: Without dead ends: 256 [2024-11-27 23:32:18,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:32:18,622 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 129 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:18,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 779 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:32:18,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-27 23:32:18,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 253. [2024-11-27 23:32:18,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 219 states have (on average 1.4337899543378996) internal successors, (314), 220 states have internal predecessors, (314), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-27 23:32:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 376 transitions. [2024-11-27 23:32:18,658 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 376 transitions. Word has length 185 [2024-11-27 23:32:18,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:18,659 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 376 transitions. [2024-11-27 23:32:18,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-27 23:32:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 376 transitions. [2024-11-27 23:32:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-27 23:32:18,664 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:18,665 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:18,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:32:18,665 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:18,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:18,666 INFO L85 PathProgramCache]: Analyzing trace with hash 816782759, now seen corresponding path program 1 times [2024-11-27 23:32:18,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:18,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671089791] [2024-11-27 23:32:18,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:18,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-27 23:32:23,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:23,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671089791] [2024-11-27 23:32:23,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671089791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:23,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:23,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:32:23,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600104367] [2024-11-27 23:32:23,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:23,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:32:23,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:23,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:32:23,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:32:23,287 INFO L87 Difference]: Start difference. First operand 253 states and 376 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:32:24,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:24,358 INFO L93 Difference]: Finished difference Result 500 states and 743 transitions. [2024-11-27 23:32:24,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:32:24,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 187 [2024-11-27 23:32:24,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:24,364 INFO L225 Difference]: With dead ends: 500 [2024-11-27 23:32:24,364 INFO L226 Difference]: Without dead ends: 250 [2024-11-27 23:32:24,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:32:24,366 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 212 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:24,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 630 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:32:24,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-27 23:32:24,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 248. [2024-11-27 23:32:24,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 214 states have (on average 1.4205607476635513) internal successors, (304), 215 states have internal predecessors, (304), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-27 23:32:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 366 transitions. [2024-11-27 23:32:24,416 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 366 transitions. Word has length 187 [2024-11-27 23:32:24,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:24,420 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 366 transitions. [2024-11-27 23:32:24,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:32:24,421 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 366 transitions. [2024-11-27 23:32:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-27 23:32:24,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:24,426 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:24,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:32:24,426 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:24,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:24,427 INFO L85 PathProgramCache]: Analyzing trace with hash -204285595, now seen corresponding path program 1 times [2024-11-27 23:32:24,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:24,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834995614] [2024-11-27 23:32:24,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:24,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-27 23:32:27,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:27,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834995614] [2024-11-27 23:32:27,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834995614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:27,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:27,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:32:27,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117822048] [2024-11-27 23:32:27,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:27,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:32:27,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:27,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:32:27,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:32:27,949 INFO L87 Difference]: Start difference. First operand 248 states and 366 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:32:28,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:28,987 INFO L93 Difference]: Finished difference Result 495 states and 730 transitions. [2024-11-27 23:32:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:32:28,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 187 [2024-11-27 23:32:28,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:28,991 INFO L225 Difference]: With dead ends: 495 [2024-11-27 23:32:28,992 INFO L226 Difference]: Without dead ends: 250 [2024-11-27 23:32:28,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:32:28,993 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 204 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:28,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 776 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:32:28,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-27 23:32:29,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 248. [2024-11-27 23:32:29,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 214 states have (on average 1.4158878504672898) internal successors, (303), 215 states have internal predecessors, (303), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-27 23:32:29,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 365 transitions. [2024-11-27 23:32:29,017 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 365 transitions. Word has length 187 [2024-11-27 23:32:29,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:29,017 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 365 transitions. [2024-11-27 23:32:29,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:32:29,018 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 365 transitions. [2024-11-27 23:32:29,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-27 23:32:29,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:29,024 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:29,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:32:29,025 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:29,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:29,026 INFO L85 PathProgramCache]: Analyzing trace with hash 768425565, now seen corresponding path program 1 times [2024-11-27 23:32:29,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:29,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163196136] [2024-11-27 23:32:29,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:29,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:30,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 69 proven. 3 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-27 23:32:30,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:30,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163196136] [2024-11-27 23:32:30,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163196136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:30,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339835420] [2024-11-27 23:32:30,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:30,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:30,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:30,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:30,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:32:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:31,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 23:32:31,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:31,679 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:32:31,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 31 treesize of output 33 [2024-11-27 23:32:31,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:32:31,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 36 [2024-11-27 23:32:31,793 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:32:31,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 47 [2024-11-27 23:32:31,891 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:32:31,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 19 [2024-11-27 23:32:31,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 162 proven. 3 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-27 23:32:31,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 69 proven. 3 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-27 23:32:32,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339835420] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:32:32,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:32:32,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 18 [2024-11-27 23:32:32,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082398834] [2024-11-27 23:32:32,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:32,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 23:32:32,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:32,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 23:32:32,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:32:32,502 INFO L87 Difference]: Start difference. First operand 248 states and 365 transitions. Second operand has 18 states, 15 states have (on average 6.2) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 6 states have call successors, (29) [2024-11-27 23:32:36,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:36,977 INFO L93 Difference]: Finished difference Result 591 states and 859 transitions. [2024-11-27 23:32:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-27 23:32:36,978 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.2) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 6 states have call successors, (29) Word has length 187 [2024-11-27 23:32:36,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:36,984 INFO L225 Difference]: With dead ends: 591 [2024-11-27 23:32:36,985 INFO L226 Difference]: Without dead ends: 346 [2024-11-27 23:32:36,987 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 368 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=367, Invalid=1273, Unknown=0, NotChecked=0, Total=1640 [2024-11-27 23:32:36,990 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 989 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 2215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:36,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 666 Invalid, 2215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 1834 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-27 23:32:36,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-27 23:32:37,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 252. [2024-11-27 23:32:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 217 states have (on average 1.400921658986175) internal successors, (304), 218 states have internal predecessors, (304), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-27 23:32:37,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 366 transitions. [2024-11-27 23:32:37,035 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 366 transitions. Word has length 187 [2024-11-27 23:32:37,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:37,036 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 366 transitions. [2024-11-27 23:32:37,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.2) internal successors, (93), 18 states have internal predecessors, (93), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 6 states have call successors, (29) [2024-11-27 23:32:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 366 transitions. [2024-11-27 23:32:37,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-27 23:32:37,040 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:37,040 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:37,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 23:32:37,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-27 23:32:37,244 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:37,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:37,245 INFO L85 PathProgramCache]: Analyzing trace with hash -521316907, now seen corresponding path program 1 times [2024-11-27 23:32:37,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:37,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416782122] [2024-11-27 23:32:37,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:37,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:37,477 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:32:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:32:37,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:32:37,706 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:32:37,707 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:32:37,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:32:37,713 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:37,822 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:32:37,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:32:37 BoogieIcfgContainer [2024-11-27 23:32:37,829 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:32:37,830 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:32:37,831 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:32:37,831 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:32:37,832 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:12" (3/4) ... [2024-11-27 23:32:37,835 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 23:32:37,836 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:32:37,837 INFO L158 Benchmark]: Toolchain (without parser) took 27914.46ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 92.0MB in the beginning and 254.8MB in the end (delta: -162.8MB). Peak memory consumption was 303.1MB. Max. memory is 16.1GB. [2024-11-27 23:32:37,837 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:32:37,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.06ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 70.2MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 23:32:37,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.14ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 64.2MB in the end (delta: 6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:32:37,839 INFO L158 Benchmark]: Boogie Preprocessor took 157.50ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 59.2MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:32:37,840 INFO L158 Benchmark]: RCFGBuilder took 2078.12ms. Allocated memory is still 117.4MB. Free memory was 59.2MB in the beginning and 62.5MB in the end (delta: -3.3MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-11-27 23:32:37,840 INFO L158 Benchmark]: TraceAbstraction took 25000.06ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 61.3MB in the beginning and 254.9MB in the end (delta: -193.6MB). Peak memory consumption was 262.4MB. Max. memory is 16.1GB. [2024-11-27 23:32:37,840 INFO L158 Benchmark]: Witness Printer took 6.47ms. Allocated memory is still 578.8MB. Free memory was 254.9MB in the beginning and 254.8MB in the end (delta: 78.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:32:37,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.06ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 70.2MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.14ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 64.2MB in the end (delta: 6.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 157.50ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 59.2MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2078.12ms. Allocated memory is still 117.4MB. Free memory was 59.2MB in the beginning and 62.5MB in the end (delta: -3.3MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * TraceAbstraction took 25000.06ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 61.3MB in the beginning and 254.9MB in the end (delta: -193.6MB). Peak memory consumption was 262.4MB. Max. memory is 16.1GB. * Witness Printer took 6.47ms. Allocated memory is still 578.8MB. Free memory was 254.9MB in the beginning and 254.8MB in the end (delta: 78.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 107, overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryFLOATComparisonOperation at line 107, overapproximation of someBinaryArithmeticFLOAToperation at line 73. Possible FailurePath: [L42] unsigned char isInitial = 0; [L43-L62] struct WrapperStruct00 WrapperStruct00 = { 0, 0, 2, 256, -256, 2, 255.8, 127.8, 128.5, 499.3, 10, 1, 8, 256, 1, 16, 57705, 64 }; VAL [WrapperStruct00={4:0}, isInitial=0] [L134] isInitial = 1 [L135] FCALL initially() [L137] FCALL updateLastVariables() [L138] CALL updateVariables() [L87] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L88] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] WrapperStruct00.var_1_3 = __VERIFIER_nondet_short() [L91] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= -16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= -16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 16383) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] WrapperStruct00.var_1_4 = __VERIFIER_nondet_short() [L94] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 8192) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 8192) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] WrapperStruct00.var_1_5 = __VERIFIER_nondet_short() [L97] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= -8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= -8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 8191) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 8191) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] WrapperStruct00.var_1_6 = __VERIFIER_nondet_short() [L100] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= -32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= -32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 32766) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_8 = __VERIFIER_nondet_float() [L103] EXPR WrapperStruct00.var_1_8 [L103] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_8 [L103] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L103] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L103] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L105] EXPR WrapperStruct00.var_1_9 [L105] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F [L105] EXPR WrapperStruct00.var_1_9 [L105] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L105] EXPR (WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L105] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L106] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L107] EXPR WrapperStruct00.var_1_10 [L107] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L107] EXPR WrapperStruct00.var_1_10 [L107] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR (WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L107] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L109] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ushort() [L112] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] WrapperStruct00.var_1_14 = __VERIFIER_nondet_ushort() [L115] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L116] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L116] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] WrapperStruct00.var_1_15 = __VERIFIER_nondet_ushort() [L118] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L119] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] WrapperStruct00.var_1_16 = __VERIFIER_nondet_ushort() [L121] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L121] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L121] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L122] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L122] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L123] WrapperStruct00.var_1_17 = __VERIFIER_nondet_ushort() [L124] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L124] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L124] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 32767) VAL [WrapperStruct00={4:0}, isInitial=1] [L125] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L125] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1] [L138] RET updateVariables() [L139] CALL step() [L66] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L66] COND FALSE !(! WrapperStruct00.var_1_2) [L69] EXPR WrapperStruct00.var_1_5 [L69] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_5 [L71] EXPR WrapperStruct00.var_1_5 [L71] signed short int stepLocal_0 = WrapperStruct00.var_1_5; [L72] COND TRUE stepLocal_0 > 2 [L73] EXPR WrapperStruct00.var_1_8 [L73] EXPR WrapperStruct00.var_1_9 [L73] EXPR WrapperStruct00.var_1_10 [L73] WrapperStruct00.var_1_7 = ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10) [L75] EXPR WrapperStruct00.var_1_17 [L75] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_17 [L76] EXPR WrapperStruct00.var_1_2 [L76] WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12 [L76] EXPR WrapperStruct00.var_1_12 [L76] WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L76] COND FALSE !(WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) [L79] EXPR WrapperStruct00.var_1_3 [L79] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L79] EXPR -25 << WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L79] COND FALSE !(WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) [L82] EXPR WrapperStruct00.var_1_17 [L82] EXPR WrapperStruct00.var_1_15 [L82] WrapperStruct00.var_1_11 = (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15) [L139] RET step() [L140] CALL, EXPR property() [L130] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR (! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) [L130] EXPR WrapperStruct00.var_1_1 [L130] EXPR WrapperStruct00.var_1_5 [L130] EXPR (! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1) [L130] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR (WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1 [L130] EXPR WrapperStruct00.var_1_7 [L130] EXPR WrapperStruct00.var_1_8 [L130] EXPR WrapperStruct00.var_1_9 [L130] EXPR WrapperStruct00.var_1_10 [L130] EXPR (WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR (((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_13 + ((((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16)))))) : ((WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_11 == ((unsigned short int) ((((((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) < 0 ) ? -(((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) : (((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))))))) : (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L130] EXPR ((((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_13 + ((((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16)))))) : ((WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_11 == ((unsigned short int) ((((((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) < 0 ) ? -(((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) : (((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))))))) : (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_18 == ((unsigned long int) WrapperStruct00.var_1_17)) VAL [WrapperStruct00={4:0}, isInitial=1] [L130-L131] return ((((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_1 == ((signed short int) (((((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) < (WrapperStruct00.var_1_6)) ? ((WrapperStruct00.var_1_3 + (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6))))) : (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5))) && ((WrapperStruct00.var_1_5 > 2) ? (WrapperStruct00.var_1_7 == ((float) ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) - WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_2 && WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_13 + ((((((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) < (WrapperStruct00.var_1_16)) ? (((((WrapperStruct00.var_1_14) > (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_14) : (WrapperStruct00.var_1_15)))) : (WrapperStruct00.var_1_16)))))) : ((WrapperStruct00.var_1_3 < (200 * (-25 << WrapperStruct00.var_1_18))) ? (WrapperStruct00.var_1_11 == ((unsigned short int) ((((((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) < 0 ) ? -(((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))) : (((((WrapperStruct00.var_1_17 - 10000)) > (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14))))) ? ((WrapperStruct00.var_1_17 - 10000)) : (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_14)))))))))) : (WrapperStruct00.var_1_11 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_15)))))) && (WrapperStruct00.var_1_18 == ((unsigned long int) WrapperStruct00.var_1_17)) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 159 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.8s, OverallIterations: 7, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1543 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1535 mSDsluCounter, 3757 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2477 mSDsCounter, 401 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3128 IncrementalHoareTripleChecker+Invalid, 3529 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 401 mSolverCounterUnsat, 1280 mSDtfsCounter, 3128 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 661 GetRequests, 604 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=3, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 102 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 1676 NumberOfCodeBlocks, 1676 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1666 ConstructedInterpolants, 0 QuantifiedInterpolants, 2589 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1297 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 10743/10800 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 [2024-11-27 23:32:37,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/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_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:32:41,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:32:41,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 23:32:41,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:32:41,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:32:41,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:32:41,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:32:41,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:32:41,207 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:32:41,208 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:32:41,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:32:41,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:32:41,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:32:41,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:32:41,209 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:32:41,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:32:41,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:32:41,209 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:32:41,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:32:41,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:32:41,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:32:41,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:32:41,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:32:41,211 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 23:32:41,211 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 23:32:41,211 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 23:32:41,211 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:32:41,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:32:41,211 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:32:41,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:32:41,212 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:32:41,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:32:41,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:32:41,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:32:41,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:32:41,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:32:41,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:32:41,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:32:41,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:32:41,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:32:41,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:32:41,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:32:41,214 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:32:41,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:32:41,214 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 23:32:41,215 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 23:32:41,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:32:41,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:32:41,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:32:41,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:32:41,215 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_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2633f484e0865e6e431657ee89a0a14b8fb20a20b6a1493f613e45a885039ef4 [2024-11-27 23:32:41,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:32:41,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:32:41,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:32:41,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:32:41,621 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:32:41,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2024-11-27 23:32:45,048 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/data/ab536af38/542269e969de4033ba173ab67fe3acad/FLAG6eadb531b [2024-11-27 23:32:45,410 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:32:45,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i [2024-11-27 23:32:45,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/data/ab536af38/542269e969de4033ba173ab67fe3acad/FLAG6eadb531b [2024-11-27 23:32:45,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/data/ab536af38/542269e969de4033ba173ab67fe3acad [2024-11-27 23:32:45,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:32:45,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:32:45,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:32:45,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:32:45,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:32:45,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:32:45" (1/1) ... [2024-11-27 23:32:45,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db2b89b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:45, skipping insertion in model container [2024-11-27 23:32:45,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:32:45" (1/1) ... [2024-11-27 23:32:45,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:32:45,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2024-11-27 23:32:45,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:32:45,882 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:32:45,893 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_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-86.i[916,929] [2024-11-27 23:32:46,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:32:46,052 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:32:46,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46 WrapperNode [2024-11-27 23:32:46,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:32:46,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:32:46,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:32:46,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:32:46,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (1/1) ... [2024-11-27 23:32:46,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (1/1) ... [2024-11-27 23:32:46,182 INFO L138 Inliner]: procedures = 37, calls = 243, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 744 [2024-11-27 23:32:46,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:32:46,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:32:46,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:32:46,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:32:46,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (1/1) ... [2024-11-27 23:32:46,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (1/1) ... [2024-11-27 23:32:46,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (1/1) ... [2024-11-27 23:32:46,230 INFO L175 MemorySlicer]: Split 207 memory accesses to 2 slices as follows [2, 205]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 40 writes are split as follows [0, 40]. [2024-11-27 23:32:46,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (1/1) ... [2024-11-27 23:32:46,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (1/1) ... [2024-11-27 23:32:46,267 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (1/1) ... [2024-11-27 23:32:46,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (1/1) ... [2024-11-27 23:32:46,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (1/1) ... [2024-11-27 23:32:46,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (1/1) ... [2024-11-27 23:32:46,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (1/1) ... [2024-11-27 23:32:46,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:32:46,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:32:46,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:32:46,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:32:46,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (1/1) ... [2024-11-27 23:32:46,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:32:46,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:46,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:46,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:32:46,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:32:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-27 23:32:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-27 23:32:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 23:32:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-27 23:32:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-27 23:32:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-27 23:32:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-27 23:32:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-27 23:32:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-27 23:32:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-27 23:32:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-27 23:32:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-27 23:32:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-27 23:32:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-27 23:32:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-27 23:32:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-27 23:32:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-27 23:32:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-27 23:32:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:32:46,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:32:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-27 23:32:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-27 23:32:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:32:46,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:32:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-27 23:32:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-27 23:32:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-27 23:32:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-27 23:32:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-27 23:32:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-27 23:32:46,636 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:32:46,639 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:32:49,030 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2024-11-27 23:32:49,030 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:32:49,048 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:32:49,048 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:32:49,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:49 BoogieIcfgContainer [2024-11-27 23:32:49,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:32:49,052 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:32:49,052 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:32:49,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:32:49,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:32:45" (1/3) ... [2024-11-27 23:32:49,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514ce6c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:32:49, skipping insertion in model container [2024-11-27 23:32:49,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:46" (2/3) ... [2024-11-27 23:32:49,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514ce6c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:32:49, skipping insertion in model container [2024-11-27 23:32:49,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:49" (3/3) ... [2024-11-27 23:32:49,067 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-86.i [2024-11-27 23:32:49,085 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:32:49,088 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-86.i that has 2 procedures, 155 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:32:49,161 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:32:49,181 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;@10132cb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:32:49,182 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:32:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 127 states have (on average 1.4330708661417322) internal successors, (182), 128 states have internal predecessors, (182), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:32:49,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-27 23:32:49,209 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:49,210 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:49,211 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:49,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:49,217 INFO L85 PathProgramCache]: Analyzing trace with hash -296626110, now seen corresponding path program 1 times [2024-11-27 23:32:49,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:49,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820093279] [2024-11-27 23:32:49,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:49,238 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 [2024-11-27 23:32:49,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:49,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:32:49,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-27 23:32:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:49,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:32:49,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 608 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-11-27 23:32:50,050 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:50,051 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:50,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820093279] [2024-11-27 23:32:50,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820093279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:50,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:50,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:32:50,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690294732] [2024-11-27 23:32:50,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:50,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:32:50,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:50,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:32:50,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:32:50,086 INFO L87 Difference]: Start difference. First operand has 155 states, 127 states have (on average 1.4330708661417322) internal successors, (182), 128 states have internal predecessors, (182), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:32:50,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:50,131 INFO L93 Difference]: Finished difference Result 303 states and 483 transitions. [2024-11-27 23:32:50,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:32:50,133 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 184 [2024-11-27 23:32:50,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:50,142 INFO L225 Difference]: With dead ends: 303 [2024-11-27 23:32:50,143 INFO L226 Difference]: Without dead ends: 151 [2024-11-27 23:32:50,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:32:50,150 INFO L435 NwaCegarLoop]: 225 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, 225 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 [2024-11-27 23:32:50,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:32:50,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-27 23:32:50,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-27 23:32:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 124 states have (on average 1.4112903225806452) internal successors, (175), 124 states have internal predecessors, (175), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:32:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 225 transitions. [2024-11-27 23:32:50,235 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 225 transitions. Word has length 184 [2024-11-27 23:32:50,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:50,236 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 225 transitions. [2024-11-27 23:32:50,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:32:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 225 transitions. [2024-11-27 23:32:50,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-27 23:32:50,245 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:50,245 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:50,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-27 23:32:50,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:32:50,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:50,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:50,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2087867836, now seen corresponding path program 1 times [2024-11-27 23:32:50,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:50,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994065737] [2024-11-27 23:32:50,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:50,449 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 [2024-11-27 23:32:50,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:50,452 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:32:50,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-27 23:32:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:51,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:32:51,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2024-11-27 23:32:51,192 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:51,193 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:51,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994065737] [2024-11-27 23:32:51,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994065737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:51,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:51,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:32:51,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708428728] [2024-11-27 23:32:51,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:51,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:32:51,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:51,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:32:51,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:32:51,197 INFO L87 Difference]: Start difference. First operand 151 states and 225 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:32:51,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:51,292 INFO L93 Difference]: Finished difference Result 301 states and 450 transitions. [2024-11-27 23:32:51,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:32:51,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 184 [2024-11-27 23:32:51,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:51,295 INFO L225 Difference]: With dead ends: 301 [2024-11-27 23:32:51,295 INFO L226 Difference]: Without dead ends: 153 [2024-11-27 23:32:51,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:32:51,298 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 0 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:51,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 658 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:32:51,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-27 23:32:51,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-27 23:32:51,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 126 states have (on average 1.4047619047619047) internal successors, (177), 126 states have internal predecessors, (177), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:32:51,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 227 transitions. [2024-11-27 23:32:51,317 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 227 transitions. Word has length 184 [2024-11-27 23:32:51,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:51,324 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 227 transitions. [2024-11-27 23:32:51,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:32:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 227 transitions. [2024-11-27 23:32:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-27 23:32:51,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:51,333 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:51,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-27 23:32:51,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:32:51,533 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:51,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:51,534 INFO L85 PathProgramCache]: Analyzing trace with hash -924927174, now seen corresponding path program 1 times [2024-11-27 23:32:51,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:51,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903134541] [2024-11-27 23:32:51,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:51,536 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 [2024-11-27 23:32:51,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:51,538 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:32:51,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-27 23:32:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:52,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:32:52,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-27 23:32:52,227 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:52,227 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:52,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903134541] [2024-11-27 23:32:52,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903134541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:52,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:52,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:32:52,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197467252] [2024-11-27 23:32:52,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:52,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:32:52,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:52,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:32:52,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:52,231 INFO L87 Difference]: Start difference. First operand 153 states and 227 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-27 23:32:52,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:52,373 INFO L93 Difference]: Finished difference Result 308 states and 458 transitions. [2024-11-27 23:32:52,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:32:52,374 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 184 [2024-11-27 23:32:52,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:52,378 INFO L225 Difference]: With dead ends: 308 [2024-11-27 23:32:52,381 INFO L226 Difference]: Without dead ends: 158 [2024-11-27 23:32:52,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:52,384 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 1 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:52,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 867 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:32:52,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-27 23:32:52,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2024-11-27 23:32:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 130 states have (on average 1.3923076923076922) internal successors, (181), 130 states have internal predecessors, (181), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:32:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 231 transitions. [2024-11-27 23:32:52,417 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 231 transitions. Word has length 184 [2024-11-27 23:32:52,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:52,418 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 231 transitions. [2024-11-27 23:32:52,418 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-27 23:32:52,418 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 231 transitions. [2024-11-27 23:32:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-27 23:32:52,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:52,425 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:52,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-27 23:32:52,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:32:52,626 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:52,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:52,627 INFO L85 PathProgramCache]: Analyzing trace with hash -923080132, now seen corresponding path program 1 times [2024-11-27 23:32:52,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:52,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052681988] [2024-11-27 23:32:52,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:52,628 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 [2024-11-27 23:32:52,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:52,636 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:32:52,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-27 23:32:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:53,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:32:53,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:53,670 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 95 treesize of output 41 [2024-11-27 23:32:53,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2024-11-27 23:32:53,741 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:53,741 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:53,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052681988] [2024-11-27 23:32:53,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052681988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:53,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:53,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:32:53,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299065075] [2024-11-27 23:32:53,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:53,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:32:53,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:53,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:32:53,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:32:53,744 INFO L87 Difference]: Start difference. First operand 157 states and 231 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:32:56,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:56,413 INFO L93 Difference]: Finished difference Result 311 states and 459 transitions. [2024-11-27 23:32:56,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:32:56,414 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 184 [2024-11-27 23:32:56,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:56,416 INFO L225 Difference]: With dead ends: 311 [2024-11-27 23:32:56,417 INFO L226 Difference]: Without dead ends: 157 [2024-11-27 23:32:56,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:32:56,419 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 188 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:56,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 678 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-27 23:32:56,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-27 23:32:56,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2024-11-27 23:32:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.390625) internal successors, (178), 128 states have internal predecessors, (178), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:32:56,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 228 transitions. [2024-11-27 23:32:56,434 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 228 transitions. Word has length 184 [2024-11-27 23:32:56,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:56,435 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 228 transitions. [2024-11-27 23:32:56,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:32:56,435 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 228 transitions. [2024-11-27 23:32:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-27 23:32:56,438 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:56,438 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:56,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:56,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:32:56,639 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:56,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:56,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1296817660, now seen corresponding path program 1 times [2024-11-27 23:32:56,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:56,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130673836] [2024-11-27 23:32:56,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:56,641 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 [2024-11-27 23:32:56,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:56,648 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:32:56,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-27 23:32:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:57,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:32:57,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:57,536 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 94 treesize of output 40 [2024-11-27 23:32:57,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 616 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-27 23:32:57,644 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:58,070 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 58 treesize of output 22 [2024-11-27 23:32:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-27 23:32:58,150 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:58,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130673836] [2024-11-27 23:32:58,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130673836] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:32:58,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:32:58,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-27 23:32:58,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490838483] [2024-11-27 23:32:58,151 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:58,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:32:58,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:58,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:32:58,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:32:58,154 INFO L87 Difference]: Start difference. First operand 155 states and 228 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2024-11-27 23:33:01,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:01,599 INFO L93 Difference]: Finished difference Result 320 states and 468 transitions. [2024-11-27 23:33:01,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:33:01,601 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 186 [2024-11-27 23:33:01,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:01,603 INFO L225 Difference]: With dead ends: 320 [2024-11-27 23:33:01,603 INFO L226 Difference]: Without dead ends: 157 [2024-11-27 23:33:01,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:33:01,605 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 184 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:01,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 813 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-27 23:33:01,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-27 23:33:01,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2024-11-27 23:33:01,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.375) internal successors, (176), 128 states have internal predecessors, (176), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:33:01,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 226 transitions. [2024-11-27 23:33:01,631 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 226 transitions. Word has length 186 [2024-11-27 23:33:01,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:01,632 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 226 transitions. [2024-11-27 23:33:01,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (49), 3 states have call predecessors, (49), 4 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2024-11-27 23:33:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 226 transitions. [2024-11-27 23:33:01,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-27 23:33:01,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:01,635 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:01,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:01,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:01,836 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:01,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:01,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1784864766, now seen corresponding path program 1 times [2024-11-27 23:33:01,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:01,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687557217] [2024-11-27 23:33:01,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:01,838 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 [2024-11-27 23:33:01,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:01,840 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:33:01,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-27 23:33:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:02,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:33:02,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:02,706 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 95 treesize of output 41 [2024-11-27 23:33:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 616 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-11-27 23:33:02,756 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:33:02,756 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:33:02,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [687557217] [2024-11-27 23:33:02,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [687557217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:02,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:02,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:33:02,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870346164] [2024-11-27 23:33:02,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:02,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:33:02,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:02,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:33:02,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:33:02,762 INFO L87 Difference]: Start difference. First operand 155 states and 226 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:33:05,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:05,108 INFO L93 Difference]: Finished difference Result 308 states and 450 transitions. [2024-11-27 23:33:05,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:33:05,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 186 [2024-11-27 23:33:05,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:05,111 INFO L225 Difference]: With dead ends: 308 [2024-11-27 23:33:05,111 INFO L226 Difference]: Without dead ends: 156 [2024-11-27 23:33:05,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:33:05,113 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 175 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:05,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 666 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-27 23:33:05,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-27 23:33:05,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2024-11-27 23:33:05,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.3671875) internal successors, (175), 128 states have internal predecessors, (175), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:33:05,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 225 transitions. [2024-11-27 23:33:05,127 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 225 transitions. Word has length 186 [2024-11-27 23:33:05,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:05,127 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 225 transitions. [2024-11-27 23:33:05,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:33:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2024-11-27 23:33:05,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-27 23:33:05,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:05,131 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:05,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-27 23:33:05,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:05,332 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:05,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:05,332 INFO L85 PathProgramCache]: Analyzing trace with hash 811330044, now seen corresponding path program 1 times [2024-11-27 23:33:05,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:05,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082154127] [2024-11-27 23:33:05,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:05,333 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 [2024-11-27 23:33:05,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:05,335 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:33:05,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-27 23:33:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:05,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:33:05,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:06,246 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 95 treesize of output 41 [2024-11-27 23:33:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2024-11-27 23:33:06,287 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:33:06,287 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:33:06,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082154127] [2024-11-27 23:33:06,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082154127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:33:06,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:33:06,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:33:06,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385789801] [2024-11-27 23:33:06,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:06,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:33:06,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:06,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:33:06,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:33:06,292 INFO L87 Difference]: Start difference. First operand 155 states and 225 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:33:08,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:08,344 INFO L93 Difference]: Finished difference Result 308 states and 448 transitions. [2024-11-27 23:33:08,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:33:08,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 188 [2024-11-27 23:33:08,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:08,349 INFO L225 Difference]: With dead ends: 308 [2024-11-27 23:33:08,349 INFO L226 Difference]: Without dead ends: 156 [2024-11-27 23:33:08,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:33:08,355 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 167 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:08,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 662 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-27 23:33:08,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-27 23:33:08,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2024-11-27 23:33:08,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.359375) internal successors, (174), 128 states have internal predecessors, (174), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:33:08,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 224 transitions. [2024-11-27 23:33:08,374 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 224 transitions. Word has length 188 [2024-11-27 23:33:08,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:08,375 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 224 transitions. [2024-11-27 23:33:08,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:33:08,375 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 224 transitions. [2024-11-27 23:33:08,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-27 23:33:08,381 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:08,381 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:08,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:08,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:08,582 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:08,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:08,582 INFO L85 PathProgramCache]: Analyzing trace with hash 996962754, now seen corresponding path program 1 times [2024-11-27 23:33:08,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:08,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297236907] [2024-11-27 23:33:08,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:08,583 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 [2024-11-27 23:33:08,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:08,585 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:33:08,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-27 23:33:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:09,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-27 23:33:09,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:09,250 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 14 treesize of output 10 [2024-11-27 23:33:09,533 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 41 treesize of output 19 [2024-11-27 23:33:09,774 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 41 treesize of output 19 [2024-11-27 23:33:09,948 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 36 treesize of output 29 [2024-11-27 23:33:10,277 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:10,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 46 treesize of output 42 [2024-11-27 23:33:10,767 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:10,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-27 23:33:11,086 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:11,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-27 23:33:11,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:11,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-27 23:33:11,702 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:11,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-11-27 23:33:12,230 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:12,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2024-11-27 23:33:12,845 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:12,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 66 [2024-11-27 23:33:13,323 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:13,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 76 [2024-11-27 23:33:14,017 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:14,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 79 [2024-11-27 23:33:14,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:14,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 75 treesize of output 89 [2024-11-27 23:33:15,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:15,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 106 [2024-11-27 23:33:15,975 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:15,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 105 treesize of output 104 [2024-11-27 23:33:16,084 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:16,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 113 treesize of output 49 [2024-11-27 23:33:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 1006 proven. 69 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-27 23:33:16,144 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-27 23:33:16,513 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:33:16,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297236907] [2024-11-27 23:33:16,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297236907] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:33:16,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:33:16,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 18 [2024-11-27 23:33:16,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867946402] [2024-11-27 23:33:16,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:16,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:33:16,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:16,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:33:16,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:33:16,519 INFO L87 Difference]: Start difference. First operand 155 states and 224 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-27 23:33:19,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:19,673 INFO L93 Difference]: Finished difference Result 386 states and 563 transitions. [2024-11-27 23:33:19,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:33:19,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-27 23:33:19,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:19,676 INFO L225 Difference]: With dead ends: 386 [2024-11-27 23:33:19,676 INFO L226 Difference]: Without dead ends: 234 [2024-11-27 23:33:19,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 361 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:33:19,678 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 212 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:19,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 381 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-27 23:33:19,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-27 23:33:19,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 159. [2024-11-27 23:33:19,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 132 states have (on average 1.356060606060606) internal successors, (179), 132 states have internal predecessors, (179), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 23:33:19,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 229 transitions. [2024-11-27 23:33:19,690 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 229 transitions. Word has length 190 [2024-11-27 23:33:19,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:19,693 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 229 transitions. [2024-11-27 23:33:19,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-27 23:33:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 229 transitions. [2024-11-27 23:33:19,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-27 23:33:19,695 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:19,695 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:19,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-27 23:33:19,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:19,896 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:19,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:19,896 INFO L85 PathProgramCache]: Analyzing trace with hash -2018140864, now seen corresponding path program 1 times [2024-11-27 23:33:19,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:19,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774253971] [2024-11-27 23:33:19,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:19,897 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:19,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:19,899 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:33:19,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-27 23:33:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:20,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-27 23:33:20,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:20,671 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 14 treesize of output 10 [2024-11-27 23:33:20,892 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 36 treesize of output 29 [2024-11-27 23:33:21,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:21,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 51 treesize of output 32 [2024-11-27 23:33:21,364 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:21,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 51 treesize of output 32 [2024-11-27 23:33:21,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:21,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 51 treesize of output 32 [2024-11-27 23:33:21,748 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:21,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 46 treesize of output 42 [2024-11-27 23:33:22,080 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:22,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 55 [2024-11-27 23:33:22,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:22,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 58 [2024-11-27 23:33:22,949 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:22,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 68 [2024-11-27 23:33:23,492 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:23,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 81 treesize of output 71 [2024-11-27 23:33:23,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:23,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 76 treesize of output 81 [2024-11-27 23:33:24,623 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:24,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 80 treesize of output 88 [2024-11-27 23:33:25,043 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:25,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 97 [2024-11-27 23:33:25,294 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:25,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 92 treesize of output 103 [2024-11-27 23:33:25,681 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:25,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 117 treesize of output 125 [2024-11-27 23:33:26,113 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:33:26,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 147 treesize of output 75 [2024-11-27 23:33:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 992 proven. 51 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-27 23:33:26,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:26,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-27 23:33:26,804 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:33:26,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [774253971] [2024-11-27 23:33:26,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [774253971] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:33:26,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:33:26,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2024-11-27 23:33:26,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740330277] [2024-11-27 23:33:26,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:26,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:33:26,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:26,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:33:26,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2024-11-27 23:33:26,808 INFO L87 Difference]: Start difference. First operand 159 states and 229 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-27 23:33:30,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:30,723 INFO L93 Difference]: Finished difference Result 426 states and 614 transitions. [2024-11-27 23:33:30,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:33:30,723 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-27 23:33:30,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:30,726 INFO L225 Difference]: With dead ends: 426 [2024-11-27 23:33:30,726 INFO L226 Difference]: Without dead ends: 270 [2024-11-27 23:33:30,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 354 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:33:30,728 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 145 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:30,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 718 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-27 23:33:30,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-27 23:33:30,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 249. [2024-11-27 23:33:30,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 215 states have (on average 1.3953488372093024) internal successors, (300), 216 states have internal predecessors, (300), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-27 23:33:30,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 362 transitions. [2024-11-27 23:33:30,757 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 362 transitions. Word has length 190 [2024-11-27 23:33:30,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:30,757 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 362 transitions. [2024-11-27 23:33:30,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-27 23:33:30,758 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 362 transitions. [2024-11-27 23:33:30,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-27 23:33:30,759 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:30,760 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:30,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-27 23:33:30,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:30,964 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:30,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:30,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1565710885, now seen corresponding path program 1 times [2024-11-27 23:33:30,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:30,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [90019976] [2024-11-27 23:33:30,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:30,966 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 [2024-11-27 23:33:30,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:30,968 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:33:30,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f51edb-5645-4c44-b1a9-5fe4373e14c5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process