./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13a017e811a0741c89c8b84e8861e71b0cc1dab29c6c9c0512aab721a63586fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:18:39,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:18:39,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:18:39,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:18:39,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:18:39,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:18:39,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:18:39,982 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:18:39,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:18:39,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:18:39,985 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:18:39,986 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:18:39,986 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:18:39,986 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:18:39,986 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:18:39,986 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:18:39,987 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:18:39,987 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:18:39,988 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:18:39,988 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:18:39,988 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:18:39,988 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:18:39,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:18:39,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:18:39,989 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:18:39,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:18:39,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:18:39,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:18:39,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:18:39,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:18:39,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:18:39,990 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:18:39,991 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:18:39,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:18:39,991 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:18:39,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:18:39,992 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:18:39,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:18:39,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:18:39,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:18:39,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:18:39,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:18:39,993 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:18:39,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:18:39,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:18:39,994 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:18:39,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:18:39,994 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 13a017e811a0741c89c8b84e8861e71b0cc1dab29c6c9c0512aab721a63586fe [2024-11-14 04:18:40,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:18:40,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:18:40,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:18:40,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:18:40,403 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:18:40,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i Unable to find full path for "g++" [2024-11-14 04:18:42,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:18:43,074 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:18:43,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i [2024-11-14 04:18:43,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/data/411482d4b/3ee25f71881a4ddda26a0728a11f98e7/FLAGa18d905d1 [2024-11-14 04:18:43,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/data/411482d4b/3ee25f71881a4ddda26a0728a11f98e7 [2024-11-14 04:18:43,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:18:43,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:18:43,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:18:43,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:18:43,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:18:43,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:18:43" (1/1) ... [2024-11-14 04:18:43,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5e37e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43, skipping insertion in model container [2024-11-14 04:18:43,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:18:43" (1/1) ... [2024-11-14 04:18:43,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:18:43,349 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_930a5c46-0682-4258-a29a-b1e0e007ea2c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i[916,929] [2024-11-14 04:18:43,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:18:43,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:18:43,431 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_930a5c46-0682-4258-a29a-b1e0e007ea2c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i[916,929] [2024-11-14 04:18:43,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:18:43,495 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:18:43,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43 WrapperNode [2024-11-14 04:18:43,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:18:43,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:18:43,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:18:43,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:18:43,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43" (1/1) ... [2024-11-14 04:18:43,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43" (1/1) ... [2024-11-14 04:18:43,573 INFO L138 Inliner]: procedures = 29, calls = 130, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 401 [2024-11-14 04:18:43,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:18:43,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:18:43,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:18:43,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:18:43,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43" (1/1) ... [2024-11-14 04:18:43,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43" (1/1) ... [2024-11-14 04:18:43,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43" (1/1) ... [2024-11-14 04:18:43,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43" (1/1) ... [2024-11-14 04:18:43,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43" (1/1) ... [2024-11-14 04:18:43,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43" (1/1) ... [2024-11-14 04:18:43,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43" (1/1) ... [2024-11-14 04:18:43,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43" (1/1) ... [2024-11-14 04:18:43,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:18:43,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:18:43,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:18:43,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:18:43,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43" (1/1) ... [2024-11-14 04:18:43,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:18:43,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:18:43,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:18:43,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:18:43,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:18:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 04:18:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:18:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 04:18:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:18:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-14 04:18:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:18:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:18:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:18:43,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:18:43,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:18:43,858 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:18:43,860 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:18:44,530 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-14 04:18:44,531 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:18:45,047 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:18:45,047 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:18:45,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:45 BoogieIcfgContainer [2024-11-14 04:18:45,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:18:45,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:18:45,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:18:45,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:18:45,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:18:43" (1/3) ... [2024-11-14 04:18:45,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59929b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:18:45, skipping insertion in model container [2024-11-14 04:18:45,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:43" (2/3) ... [2024-11-14 04:18:45,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59929b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:18:45, skipping insertion in model container [2024-11-14 04:18:45,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:45" (3/3) ... [2024-11-14 04:18:45,060 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-46.i [2024-11-14 04:18:45,077 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:18:45,079 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-46.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:18:45,147 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:18:45,162 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=FINITE_AUTOMATA, 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;@2dd6343b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:18:45,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:18:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:18:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-14 04:18:45,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:45,177 INFO L215 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:18:45,178 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:18:45,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:45,183 INFO L85 PathProgramCache]: Analyzing trace with hash -333884769, now seen corresponding path program 1 times [2024-11-14 04:18:45,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:45,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598532380] [2024-11-14 04:18:45,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:45,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:18:46,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [755494410] [2024-11-14 04:18:46,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:46,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:18:46,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:18:46,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:18:46,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:18:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:18:47,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:18:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:18:48,411 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:18:48,418 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:18:48,420 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:18:48,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:18:48,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:18:48,628 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:18:48,713 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:18:48,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:18:48 BoogieIcfgContainer [2024-11-14 04:18:48,717 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:18:48,718 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:18:48,718 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:18:48,718 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:18:48,719 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:45" (3/4) ... [2024-11-14 04:18:48,726 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:18:48,727 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:18:48,728 INFO L158 Benchmark]: Toolchain (without parser) took 5619.03ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 83.2MB in the beginning and 41.5MB in the end (delta: 41.7MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2024-11-14 04:18:48,729 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:18:48,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.31ms. Allocated memory is still 109.1MB. Free memory was 83.2MB in the beginning and 69.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:18:48,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.78ms. Allocated memory is still 109.1MB. Free memory was 69.1MB in the beginning and 65.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:18:48,730 INFO L158 Benchmark]: Boogie Preprocessor took 62.52ms. Allocated memory is still 109.1MB. Free memory was 65.7MB in the beginning and 63.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:18:48,730 INFO L158 Benchmark]: RCFGBuilder took 1411.32ms. Allocated memory is still 109.1MB. Free memory was 63.3MB in the beginning and 69.1MB in the end (delta: -5.8MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-11-14 04:18:48,731 INFO L158 Benchmark]: TraceAbstraction took 3665.39ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 68.3MB in the beginning and 42.9MB in the end (delta: 25.4MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-11-14 04:18:48,731 INFO L158 Benchmark]: Witness Printer took 9.36ms. Allocated memory is still 142.6MB. Free memory was 42.9MB in the beginning and 41.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:18:48,733 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.31ms. Allocated memory is still 109.1MB. Free memory was 83.2MB in the beginning and 69.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.78ms. Allocated memory is still 109.1MB. Free memory was 69.1MB in the beginning and 65.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.52ms. Allocated memory is still 109.1MB. Free memory was 65.7MB in the beginning and 63.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1411.32ms. Allocated memory is still 109.1MB. Free memory was 63.3MB in the beginning and 69.1MB in the end (delta: -5.8MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3665.39ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 68.3MB in the beginning and 42.9MB in the end (delta: 25.4MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Witness Printer took 9.36ms. Allocated memory is still 142.6MB. Free memory was 42.9MB in the beginning and 41.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L25-L27] double double_Array_0[1] = { 31.75 }; [L28-L30] signed char signed_char_Array_0[3] = { -25, 4, -8 }; [L31-L33] signed short int signed_short_int_Array_0[2] = { 32, -4 }; [L34] unsigned char last_1_BOOL_unsigned_char_Array_0_4_ = 1; [L35] signed short int last_1_signed_short_int_Array_0_1_ = -4; [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] CALL updateLastVariables() [L97] EXPR BOOL_unsigned_char_Array_0[4] [L97] last_1_BOOL_unsigned_char_Array_0_4_ = BOOL_unsigned_char_Array_0[4] [L98] EXPR signed_short_int_Array_0[1] [L98] last_1_signed_short_int_Array_0_1_ = signed_short_int_Array_0[1] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L74] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L75] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L77] BOOL_unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L78] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L78] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L79] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L80] BOOL_unsigned_char_Array_0[3] = __VERIFIER_nondet_uchar() [L81] EXPR BOOL_unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L81] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L82] EXPR BOOL_unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L82] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[3] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[3] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L83] double_Array_0[0] = __VERIFIER_nondet_double() [L84] EXPR double_Array_0[0] [L84] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L84] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) [L84] EXPR double_Array_0[0] [L84] EXPR double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F [L84] EXPR double_Array_0[0] [L84] EXPR double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F [L84] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L85] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L86] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L87] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L88] signed_char_Array_0[2] = __VERIFIER_nondet_char() [L89] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[2] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_char_Array_0[2] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L90] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L90] CALL assume_abort_if_not(signed_char_Array_0[2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(signed_char_Array_0[2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L91] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L91] CALL assume_abort_if_not(signed_char_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(signed_char_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L92] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L93] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L93] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L94] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L94] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L109] RET updateVariables() [L110] CALL step() [L39] EXPR signed_short_int_Array_0[0] [L39] EXPR signed_char_Array_0[2] [L39] COND TRUE last_1_signed_short_int_Array_0_1_ <= (signed_short_int_Array_0[0] / signed_char_Array_0[2]) [L40] COND TRUE \read(last_1_BOOL_unsigned_char_Array_0_4_) [L41] EXPR signed_char_Array_0[1] [L41] signed_char_Array_0[0] = signed_char_Array_0[1] [L44] EXPR signed_char_Array_0[2] [L44] EXPR signed_char_Array_0[0] [L44] EXPR ((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]) [L44] EXPR signed_char_Array_0[0] [L44] EXPR ((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]) [L44] signed long int stepLocal_1 = (((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0])); [L45] EXPR signed_char_Array_0[0] [L45] EXPR signed_char_Array_0[2] [L45] signed long int stepLocal_0 = signed_char_Array_0[0] / signed_char_Array_0[2]; [L46] EXPR double_Array_0[0] [L46] COND FALSE !((- double_Array_0[0]) >= 16.75) [L61] BOOL_unsigned_char_Array_0[4] = 1 [L63] EXPR signed_char_Array_0[0] [L63] signed char stepLocal_2 = signed_char_Array_0[0]; [L64] EXPR signed_char_Array_0[0] [L64] EXPR signed_char_Array_0[0] [L64] EXPR signed_char_Array_0[0] | signed_char_Array_0[0] [L64] EXPR signed_char_Array_0[2] [L64] COND FALSE !(((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < stepLocal_2) [L67] signed_short_int_Array_0[1] = 128 [L69] EXPR signed_char_Array_0[2] [L69] COND TRUE 1 == signed_char_Array_0[2] [L70] EXPR BOOL_unsigned_char_Array_0[0] [L70] BOOL_unsigned_char_Array_0[1] = BOOL_unsigned_char_Array_0[0] [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR double_Array_0[0] [L101] EXPR ((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) [L101] EXPR signed_char_Array_0[0] [L101] EXPR signed_char_Array_0[2] [L101] EXPR signed_char_Array_0[0] [L101] EXPR ((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2]))) [L101] EXPR signed_char_Array_0[2] [L101] EXPR signed_char_Array_0[0] [L101] EXPR ((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]) [L101] EXPR signed_char_Array_0[0] [L101] EXPR ((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]) [L101] EXPR (((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2]))) [L101] EXPR BOOL_unsigned_char_Array_0[4] [L101] EXPR (((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2]))) [L101] EXPR ((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2]))) [L101] EXPR ((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) [L101] EXPR (((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1) [L101] EXPR ((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128))) [L101] EXPR (((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128)))) && ((last_1_signed_short_int_Array_0_1_ <= (signed_short_int_Array_0[0] / signed_char_Array_0[2])) ? (last_1_BOOL_unsigned_char_Array_0_4_ ? (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) : 1) : 1) [L101-L102] return (((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128)))) && ((last_1_signed_short_int_Array_0_1_ <= (signed_short_int_Array_0[0] / signed_char_Array_0[2])) ? (last_1_BOOL_unsigned_char_Array_0_4_ ? (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) : 1) : 1) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:18:48,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13a017e811a0741c89c8b84e8861e71b0cc1dab29c6c9c0512aab721a63586fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:18:51,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:18:52,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:18:52,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:18:52,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:18:52,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:18:52,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:18:52,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:18:52,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:18:52,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:18:52,170 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:18:52,170 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:18:52,171 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:18:52,171 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:18:52,171 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:18:52,171 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:18:52,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:18:52,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:18:52,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:18:52,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:18:52,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:18:52,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:18:52,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:18:52,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:18:52,172 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:18:52,172 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:18:52,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:18:52,173 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:18:52,173 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:18:52,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:18:52,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:18:52,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:18:52,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:18:52,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:18:52,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:18:52,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:18:52,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:18:52,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:18:52,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:18:52,177 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:18:52,177 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:18:52,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:18:52,177 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:18:52,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 13a017e811a0741c89c8b84e8861e71b0cc1dab29c6c9c0512aab721a63586fe [2024-11-14 04:18:52,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:18:52,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:18:52,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:18:52,561 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:18:52,561 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:18:52,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i Unable to find full path for "g++" [2024-11-14 04:18:54,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:18:55,051 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:18:55,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i [2024-11-14 04:18:55,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/data/6879005da/c0947b010b31429ba8b9cffc28a846a5/FLAGc34c83332 [2024-11-14 04:18:55,102 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/data/6879005da/c0947b010b31429ba8b9cffc28a846a5 [2024-11-14 04:18:55,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:18:55,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:18:55,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:18:55,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:18:55,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:18:55,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:18:55" (1/1) ... [2024-11-14 04:18:55,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f61c7b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55, skipping insertion in model container [2024-11-14 04:18:55,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:18:55" (1/1) ... [2024-11-14 04:18:55,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:18:55,346 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_930a5c46-0682-4258-a29a-b1e0e007ea2c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i[916,929] [2024-11-14 04:18:55,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:18:55,480 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:18:55,497 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_930a5c46-0682-4258-a29a-b1e0e007ea2c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i[916,929] [2024-11-14 04:18:55,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:18:55,602 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:18:55,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55 WrapperNode [2024-11-14 04:18:55,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:18:55,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:18:55,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:18:55,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:18:55,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55" (1/1) ... [2024-11-14 04:18:55,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55" (1/1) ... [2024-11-14 04:18:55,672 INFO L138 Inliner]: procedures = 33, calls = 130, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 380 [2024-11-14 04:18:55,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:18:55,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:18:55,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:18:55,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:18:55,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55" (1/1) ... [2024-11-14 04:18:55,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55" (1/1) ... [2024-11-14 04:18:55,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55" (1/1) ... [2024-11-14 04:18:55,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55" (1/1) ... [2024-11-14 04:18:55,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55" (1/1) ... [2024-11-14 04:18:55,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55" (1/1) ... [2024-11-14 04:18:55,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55" (1/1) ... [2024-11-14 04:18:55,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55" (1/1) ... [2024-11-14 04:18:55,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:18:55,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:18:55,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:18:55,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:18:55,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55" (1/1) ... [2024-11-14 04:18:55,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:18:55,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:18:55,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:18:55,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:18:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:18:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-14 04:18:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-14 04:18:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 04:18:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-14 04:18:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:18:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-14 04:18:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-14 04:18:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:18:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:18:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:18:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:18:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 04:18:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-14 04:18:55,954 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:18:55,957 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:18:56,867 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-14 04:18:56,867 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:18:56,885 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:18:56,885 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:18:56,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:56 BoogieIcfgContainer [2024-11-14 04:18:56,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:18:56,890 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:18:56,891 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:18:56,898 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:18:56,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:18:55" (1/3) ... [2024-11-14 04:18:56,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3750b685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:18:56, skipping insertion in model container [2024-11-14 04:18:56,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:55" (2/3) ... [2024-11-14 04:18:56,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3750b685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:18:56, skipping insertion in model container [2024-11-14 04:18:56,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:56" (3/3) ... [2024-11-14 04:18:56,902 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-46.i [2024-11-14 04:18:56,922 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:18:56,924 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-46.i that has 2 procedures, 93 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:18:57,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:18:57,036 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@14989639, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:18:57,036 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:18:57,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 77 states have internal predecessors, (107), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:18:57,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-14 04:18:57,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:57,065 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:18:57,066 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:18:57,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:57,075 INFO L85 PathProgramCache]: Analyzing trace with hash 575805712, now seen corresponding path program 1 times [2024-11-14 04:18:57,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:18:57,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293469587] [2024-11-14 04:18:57,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:57,091 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 [2024-11-14 04:18:57,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:18:57,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 04:18:57,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 04:18:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:57,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:18:57,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:18:57,615 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-14 04:18:57,615 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:18:57,616 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:18:57,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1293469587] [2024-11-14 04:18:57,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1293469587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:57,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:57,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:18:57,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478882160] [2024-11-14 04:18:57,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:57,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:18:57,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:18:57,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:18:57,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:18:57,660 INFO L87 Difference]: Start difference. First operand has 93 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 77 states have internal predecessors, (107), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 04:18:57,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:57,707 INFO L93 Difference]: Finished difference Result 179 states and 278 transitions. [2024-11-14 04:18:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:18:57,710 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 114 [2024-11-14 04:18:57,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:57,717 INFO L225 Difference]: With dead ends: 179 [2024-11-14 04:18:57,718 INFO L226 Difference]: Without dead ends: 89 [2024-11-14 04:18:57,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:18:57,725 INFO L432 NwaCegarLoop]: 128 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, 128 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 [2024-11-14 04:18:57,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:18:57,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-14 04:18:57,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-14 04:18:57,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 73 states have (on average 1.36986301369863) internal successors, (100), 73 states have internal predecessors, (100), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:18:57,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2024-11-14 04:18:57,783 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 114 [2024-11-14 04:18:57,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:57,783 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2024-11-14 04:18:57,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 04:18:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2024-11-14 04:18:57,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-14 04:18:57,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:57,790 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:18:57,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 04:18:57,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:18:57,994 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:18:57,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:57,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1805202572, now seen corresponding path program 1 times [2024-11-14 04:18:57,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:18:57,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273213814] [2024-11-14 04:18:57,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:57,996 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 [2024-11-14 04:18:57,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:18:58,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 04:18:58,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 04:18:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:58,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 04:18:58,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:18:58,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-14 04:19:00,247 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 8 treesize of output 1 [2024-11-14 04:19:00,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2024-11-14 04:19:03,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2024-11-14 04:19:03,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2024-11-14 04:19:03,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2024-11-14 04:19:04,794 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 30 treesize of output 18 [2024-11-14 04:19:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 127 proven. 6 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-14 04:19:05,808 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:19:06,208 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_46 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_46) |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))) (_ bv1 32)))) is different from false [2024-11-14 04:19:08,888 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:19:08,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273213814] [2024-11-14 04:19:08,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273213814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:19:08,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [939635016] [2024-11-14 04:19:08,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:19:08,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:19:08,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:19:08,892 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:19:08,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 04:19:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:19:09,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-14 04:19:09,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:19:10,345 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 17 treesize of output 9 [2024-11-14 04:19:12,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 04:19:13,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-14 04:19:17,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2024-11-14 04:19:18,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 36 [2024-11-14 04:19:18,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2024-11-14 04:19:19,869 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 34 treesize of output 22 [2024-11-14 04:19:23,002 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 202 proven. 3 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-14 04:19:23,003 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:19:23,033 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_71 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_71) |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|))))))) is different from false [2024-11-14 04:19:24,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [939635016] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:19:24,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300962485] [2024-11-14 04:19:24,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:19:24,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:19:24,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:19:24,678 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:19:24,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:19:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:19:24,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-14 04:19:24,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:19:26,268 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 [2024-11-14 04:19:26,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2024-11-14 04:19:26,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:19:26,838 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 30 treesize of output 32 [2024-11-14 04:19:27,210 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:19:27,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 58 treesize of output 30 [2024-11-14 04:19:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-14 04:19:27,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:19:28,722 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_94 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_94) |c_~#BOOL_unsigned_char_Array_0~0.base|) (bvadd (_ bv4 32) |c_~#BOOL_unsigned_char_Array_0~0.offset|)))))) is different from false [2024-11-14 04:19:28,743 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:19:28,744 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-11-14 04:19:28,749 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 41 treesize of output 29 [2024-11-14 04:19:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-14 04:19:29,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300962485] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 04:19:29,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:19:29,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [16, 13, 9] total 42 [2024-11-14 04:19:29,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290706772] [2024-11-14 04:19:29,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:19:29,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 04:19:29,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:19:29,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 04:19:29,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=1897, Unknown=49, NotChecked=276, Total=2450 [2024-11-14 04:19:29,244 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:19:30,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:19:30,905 INFO L93 Difference]: Finished difference Result 230 states and 329 transitions. [2024-11-14 04:19:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:19:30,906 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2024-11-14 04:19:30,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:19:30,913 INFO L225 Difference]: With dead ends: 230 [2024-11-14 04:19:30,913 INFO L226 Difference]: Without dead ends: 144 [2024-11-14 04:19:30,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 451 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=245, Invalid=2168, Unknown=49, NotChecked=294, Total=2756 [2024-11-14 04:19:30,918 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 195 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 201 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:19:30,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 450 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 319 Invalid, 0 Unknown, 201 Unchecked, 1.1s Time] [2024-11-14 04:19:30,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-14 04:19:30,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141. [2024-11-14 04:19:30,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 118 states have (on average 1.3644067796610169) internal successors, (161), 119 states have internal predecessors, (161), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:19:30,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 201 transitions. [2024-11-14 04:19:30,944 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 201 transitions. Word has length 114 [2024-11-14 04:19:30,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:19:30,945 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 201 transitions. [2024-11-14 04:19:30,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:19:30,945 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 201 transitions. [2024-11-14 04:19:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-14 04:19:30,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:19:30,947 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:19:30,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 04:19:31,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-14 04:19:31,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 04:19:31,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:19:31,549 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:19:31,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:19:31,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1640116345, now seen corresponding path program 1 times [2024-11-14 04:19:31,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:19:31,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836828466] [2024-11-14 04:19:31,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:19:31,551 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 [2024-11-14 04:19:31,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:19:31,555 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 04:19:31,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 04:19:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:19:31,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 04:19:31,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:19:31,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-14 04:19:33,145 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 8 treesize of output 1 [2024-11-14 04:19:33,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2024-11-14 04:19:35,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2024-11-14 04:19:35,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2024-11-14 04:19:35,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2024-11-14 04:19:36,659 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 30 treesize of output 18 [2024-11-14 04:19:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 127 proven. 6 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-14 04:19:37,680 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:19:38,035 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_120 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_120) |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|))))))) is different from false [2024-11-14 04:19:40,092 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:19:40,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836828466] [2024-11-14 04:19:40,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1836828466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:19:40,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1876698336] [2024-11-14 04:19:40,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:19:40,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:19:40,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:19:40,094 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:19:40,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-14 04:19:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:19:40,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 04:19:40,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:19:41,181 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 17 treesize of output 9 [2024-11-14 04:19:42,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 04:19:43,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-14 04:19:47,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2024-11-14 04:19:48,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 36 [2024-11-14 04:19:48,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2024-11-14 04:19:51,750 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 202 proven. 3 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-14 04:19:51,750 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:19:51,771 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_145 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_145) |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|))))))) is different from false [2024-11-14 04:19:55,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1876698336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:19:55,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759855340] [2024-11-14 04:19:55,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:19:55,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:19:55,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:19:55,203 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:19:55,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 04:19:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:19:55,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 04:19:55,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:19:55,992 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 19 treesize of output 19 [2024-11-14 04:19:56,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:19:56,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 30 [2024-11-14 04:19:57,326 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-14 04:19:57,327 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:19:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-14 04:19:58,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759855340] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 04:19:58,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:19:58,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16, 12, 8] total 38 [2024-11-14 04:19:58,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922915621] [2024-11-14 04:19:58,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:19:58,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 04:19:58,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:19:58,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 04:19:58,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1844, Unknown=57, NotChecked=178, Total=2256 [2024-11-14 04:19:58,685 INFO L87 Difference]: Start difference. First operand 141 states and 201 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:20:00,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:20:00,028 INFO L93 Difference]: Finished difference Result 355 states and 506 transitions. [2024-11-14 04:20:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:20:00,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2024-11-14 04:20:00,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:20:00,034 INFO L225 Difference]: With dead ends: 355 [2024-11-14 04:20:00,034 INFO L226 Difference]: Without dead ends: 217 [2024-11-14 04:20:00,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 743 ImplicationChecksByTransitivity, 18.1s TimeCoverageRelationStatistics Valid=189, Invalid=2114, Unknown=57, NotChecked=190, Total=2550 [2024-11-14 04:20:00,037 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 45 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:20:00,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 762 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 04:20:00,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-14 04:20:00,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 177. [2024-11-14 04:20:00,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 154 states have (on average 1.3831168831168832) internal successors, (213), 155 states have internal predecessors, (213), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:20:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 253 transitions. [2024-11-14 04:20:00,074 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 253 transitions. Word has length 116 [2024-11-14 04:20:00,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:20:00,075 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 253 transitions. [2024-11-14 04:20:00,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:20:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 253 transitions. [2024-11-14 04:20:00,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-14 04:20:00,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:20:00,082 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:20:00,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 04:20:00,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 04:20:00,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-14 04:20:00,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:20:00,683 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:20:00,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:20:00,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1374987273, now seen corresponding path program 1 times [2024-11-14 04:20:00,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:20:00,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590812791] [2024-11-14 04:20:00,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:20:00,685 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 [2024-11-14 04:20:00,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:20:00,691 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 04:20:00,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 04:20:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:20:00,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:20:00,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:20:01,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-14 04:20:01,208 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-14 04:20:01,208 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:20:01,208 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:20:01,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590812791] [2024-11-14 04:20:01,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [590812791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:20:01,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:20:01,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:20:01,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872199116] [2024-11-14 04:20:01,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:20:01,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:20:01,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:20:01,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:20:01,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:20:01,211 INFO L87 Difference]: Start difference. First operand 177 states and 253 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:20:07,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:20:07,774 INFO L93 Difference]: Finished difference Result 389 states and 552 transitions. [2024-11-14 04:20:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:20:07,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2024-11-14 04:20:07,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:20:07,778 INFO L225 Difference]: With dead ends: 389 [2024-11-14 04:20:07,778 INFO L226 Difference]: Without dead ends: 215 [2024-11-14 04:20:07,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:20:07,780 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 43 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:20:07,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 448 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-14 04:20:07,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-14 04:20:07,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 175. [2024-11-14 04:20:07,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 152 states have (on average 1.375) internal successors, (209), 153 states have internal predecessors, (209), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 04:20:07,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 249 transitions. [2024-11-14 04:20:07,809 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 249 transitions. Word has length 116 [2024-11-14 04:20:07,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:20:07,809 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 249 transitions. [2024-11-14 04:20:07,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:20:07,810 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 249 transitions. [2024-11-14 04:20:07,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-14 04:20:07,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:20:07,812 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:20:07,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-14 04:20:08,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:20:08,013 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:20:08,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:20:08,013 INFO L85 PathProgramCache]: Analyzing trace with hash -171719145, now seen corresponding path program 1 times [2024-11-14 04:20:08,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:20:08,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330691888] [2024-11-14 04:20:08,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:20:08,014 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 [2024-11-14 04:20:08,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:20:08,018 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 04:20:08,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 04:20:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:20:08,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 04:20:08,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:20:08,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-14 04:20:09,331 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 8 treesize of output 1 [2024-11-14 04:20:09,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2024-11-14 04:20:11,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2024-11-14 04:20:12,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2024-11-14 04:20:12,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2024-11-14 04:20:13,161 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 30 treesize of output 18 [2024-11-14 04:20:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 127 proven. 6 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-14 04:20:14,081 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:20:15,485 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_212 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_212) |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|))))))) is different from false [2024-11-14 04:20:17,784 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:20:17,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330691888] [2024-11-14 04:20:17,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [330691888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:20:17,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1758193586] [2024-11-14 04:20:17,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:20:17,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:20:17,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:20:17,787 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:20:17,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-14 04:20:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:20:18,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-14 04:20:18,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:20:18,842 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 17 treesize of output 9 [2024-11-14 04:20:20,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 04:20:20,868 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 8 treesize of output 1 [2024-11-14 04:20:25,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2024-11-14 04:20:26,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2024-11-14 04:20:26,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2024-11-14 04:20:27,739 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 26 treesize of output 18 [2024-11-14 04:20:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-14 04:20:29,035 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:20:29,058 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_238 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv1 32) ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_238) |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|))))))) is different from false [2024-11-14 04:20:32,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1758193586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:20:32,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531847115] [2024-11-14 04:20:32,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:20:32,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:20:32,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:20:32,580 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:20:32,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-14 04:20:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:20:32,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 04:20:32,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:20:34,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2024-11-14 04:20:37,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-14 04:20:37,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-14 04:20:39,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-14 04:20:41,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-14 04:20:41,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-14 04:20:41,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-14 04:20:42,271 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:20:42,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 54 [2024-11-14 04:20:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 72 proven. 180 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-14 04:20:42,774 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:20:43,634 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_268 (Array (_ BitVec 32) (_ BitVec 32)))) (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_268) |c_~#double_Array_0~0.base|))) (concat (select .cse1 (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|)) (select .cse1 |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0)))) is different from false [2024-11-14 04:20:43,664 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_267 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_268 (Array (_ BitVec 32) (_ BitVec 32)))) (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select (store (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_267) |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_268) |c_~#double_Array_0~0.base|))) (concat (select .cse1 (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|)) (select .cse1 |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0)))) is different from false [2024-11-14 04:20:44,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531847115] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:20:44,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:20:44,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 37 [2024-11-14 04:20:44,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293652854] [2024-11-14 04:20:44,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:20:44,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-14 04:20:44,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:20:44,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-14 04:20:44,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=2210, Unknown=55, NotChecked=396, Total=2862 [2024-11-14 04:20:44,921 INFO L87 Difference]: Start difference. First operand 175 states and 249 transitions. Second operand has 38 states, 35 states have (on average 4.142857142857143) internal successors, (145), 36 states have internal predecessors, (145), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 8 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-14 04:20:47,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:20:59,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:21:01,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:21:05,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:21:52,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:21:54,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:21:55,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:00,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:09,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:10,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:11,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:13,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:14,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:16,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:18,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:28,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:22:30,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:23:15,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:23:19,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:23:21,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:23:24,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:23:29,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:23:30,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:23:32,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:23:38,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:23:40,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:23:49,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:23:50,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:24:00,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:24:04,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:24:05,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:24:07,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:24:10,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:24:11,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:24:13,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:24:23,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:24:24,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:24:28,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:24:35,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:24:39,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:39,408 INFO L93 Difference]: Finished difference Result 1288 states and 1797 transitions. [2024-11-14 04:24:39,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-14 04:24:39,409 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 35 states have (on average 4.142857142857143) internal successors, (145), 36 states have internal predecessors, (145), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 8 states have call predecessors, (42), 10 states have call successors, (42) Word has length 116 [2024-11-14 04:24:39,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:39,418 INFO L225 Difference]: With dead ends: 1288 [2024-11-14 04:24:39,418 INFO L226 Difference]: Without dead ends: 1116 [2024-11-14 04:24:39,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 370 SyntacticMatches, 1 SemanticMatches, 122 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 4057 ImplicationChecksByTransitivity, 95.7s TimeCoverageRelationStatistics Valid=1888, Invalid=12353, Unknown=55, NotChecked=956, Total=15252 [2024-11-14 04:24:39,424 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 2437 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 3730 mSolverCounterSat, 848 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 156.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2437 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 4580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 848 IncrementalHoareTripleChecker+Valid, 3730 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 161.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:39,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2437 Valid, 1486 Invalid, 4580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [848 Valid, 3730 Invalid, 2 Unknown, 0 Unchecked, 161.5s Time] [2024-11-14 04:24:39,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2024-11-14 04:24:39,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 462. [2024-11-14 04:24:39,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 378 states have (on average 1.3148148148148149) internal successors, (497), 382 states have internal predecessors, (497), 68 states have call successors, (68), 15 states have call predecessors, (68), 15 states have return successors, (68), 64 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-14 04:24:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 633 transitions. [2024-11-14 04:24:39,493 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 633 transitions. Word has length 116 [2024-11-14 04:24:39,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:39,494 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 633 transitions. [2024-11-14 04:24:39,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 35 states have (on average 4.142857142857143) internal successors, (145), 36 states have internal predecessors, (145), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 8 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-14 04:24:39,496 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 633 transitions. [2024-11-14 04:24:39,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-14 04:24:39,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:39,498 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:39,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-14 04:24:39,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 04:24:39,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-14 04:24:40,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:40,099 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:24:40,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:40,100 INFO L85 PathProgramCache]: Analyzing trace with hash 975579291, now seen corresponding path program 1 times [2024-11-14 04:24:40,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:24:40,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871830329] [2024-11-14 04:24:40,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:40,100 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 [2024-11-14 04:24:40,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:24:40,102 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 04:24:40,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-14 04:24:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:40,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:24:40,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-14 04:24:40,323 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:40,323 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:24:40,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [871830329] [2024-11-14 04:24:40,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [871830329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:40,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:40,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:24:40,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235165826] [2024-11-14 04:24:40,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:40,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:24:40,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:24:40,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:24:40,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:24:40,325 INFO L87 Difference]: Start difference. First operand 462 states and 633 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 04:24:40,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:40,444 INFO L93 Difference]: Finished difference Result 847 states and 1168 transitions. [2024-11-14 04:24:40,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:24:40,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 116 [2024-11-14 04:24:40,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:40,448 INFO L225 Difference]: With dead ends: 847 [2024-11-14 04:24:40,448 INFO L226 Difference]: Without dead ends: 462 [2024-11-14 04:24:40,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:24:40,449 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:40,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 370 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:24:40,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-14 04:24:40,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2024-11-14 04:24:40,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 378 states have (on average 1.306878306878307) internal successors, (494), 382 states have internal predecessors, (494), 68 states have call successors, (68), 15 states have call predecessors, (68), 15 states have return successors, (68), 64 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-14 04:24:40,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 630 transitions. [2024-11-14 04:24:40,507 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 630 transitions. Word has length 116 [2024-11-14 04:24:40,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:40,507 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 630 transitions. [2024-11-14 04:24:40,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 04:24:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 630 transitions. [2024-11-14 04:24:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 04:24:40,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:40,510 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:40,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-14 04:24:40,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:24:40,711 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:24:40,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:40,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1304087055, now seen corresponding path program 1 times [2024-11-14 04:24:40,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:24:40,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983121607] [2024-11-14 04:24:40,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:40,711 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 [2024-11-14 04:24:40,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:24:40,713 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 04:24:40,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-14 04:24:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:41,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 04:24:41,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:42,055 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 [2024-11-14 04:24:42,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2024-11-14 04:24:42,227 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 43 treesize of output 25 [2024-11-14 04:24:42,368 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-14 04:24:42,369 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:24:42,369 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:24:42,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983121607] [2024-11-14 04:24:42,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983121607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:24:42,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:24:42,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 04:24:42,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030095246] [2024-11-14 04:24:42,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:24:42,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 04:24:42,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:24:42,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 04:24:42,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:24:42,371 INFO L87 Difference]: Start difference. First operand 462 states and 630 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:24:43,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:43,991 INFO L93 Difference]: Finished difference Result 867 states and 1190 transitions. [2024-11-14 04:24:43,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 04:24:43,993 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2024-11-14 04:24:43,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:43,999 INFO L225 Difference]: With dead ends: 867 [2024-11-14 04:24:44,000 INFO L226 Difference]: Without dead ends: 596 [2024-11-14 04:24:44,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-14 04:24:44,001 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 193 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:44,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 438 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-14 04:24:44,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-14 04:24:44,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 488. [2024-11-14 04:24:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 404 states have (on average 1.3094059405940595) internal successors, (529), 408 states have internal predecessors, (529), 68 states have call successors, (68), 15 states have call predecessors, (68), 15 states have return successors, (68), 64 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-14 04:24:44,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 665 transitions. [2024-11-14 04:24:44,089 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 665 transitions. Word has length 118 [2024-11-14 04:24:44,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:44,091 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 665 transitions. [2024-11-14 04:24:44,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:24:44,092 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 665 transitions. [2024-11-14 04:24:44,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 04:24:44,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:44,094 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:44,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-14 04:24:44,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:24:44,295 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:24:44,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:44,295 INFO L85 PathProgramCache]: Analyzing trace with hash 717281041, now seen corresponding path program 1 times [2024-11-14 04:24:44,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:24:44,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747722538] [2024-11-14 04:24:44,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:44,296 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 [2024-11-14 04:24:44,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:24:44,298 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 04:24:44,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-14 04:24:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:44,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-14 04:24:44,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:46,065 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 8 treesize of output 1 [2024-11-14 04:24:47,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-14 04:24:48,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-14 04:24:49,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2024-11-14 04:24:50,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 119 [2024-11-14 04:24:50,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 81 [2024-11-14 04:24:51,179 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:24:51,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 145 treesize of output 55 [2024-11-14 04:24:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 72 proven. 180 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-14 04:24:51,347 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:24:51,893 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0)))) (or (fp.geq (fp.neg |c_ULTIMATE.start_step_#t~mem14#1|) .cse0) (forall ((v_ArrVal_332 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_333 (Array (_ BitVec 32) (_ BitVec 32)))) (not (fp.geq (fp.neg (let ((.cse1 (let ((.cse2 (select (store (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_332) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_333) |c_~#double_Array_0~0.base|))) (concat (select .cse2 (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|)) (select .cse2 |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) .cse0))))) is different from false [2024-11-14 04:24:52,293 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:24:52,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747722538] [2024-11-14 04:24:52,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [747722538] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:52,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1056167781] [2024-11-14 04:24:52,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:52,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:24:52,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:24:52,295 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:24:52,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-14 04:24:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:53,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 04:24:53,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:54,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-14 04:25:04,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 96 [2024-11-14 04:25:05,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 96 [2024-11-14 04:25:11,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 96 [2024-11-14 04:25:12,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 119 [2024-11-14 04:25:12,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 81 [2024-11-14 04:25:13,100 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:25:13,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 145 treesize of output 55 [2024-11-14 04:25:13,210 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 72 proven. 180 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-14 04:25:13,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:25:13,263 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_358 (Array (_ BitVec 32) (_ BitVec 32)))) (not (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_358) |c_~#double_Array_0~0.base|))) (concat (select .cse1 (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|)) (select .cse1 |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0))))) is different from false [2024-11-14 04:25:13,305 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0)))) (or (forall ((v_ArrVal_357 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_358 (Array (_ BitVec 32) (_ BitVec 32)))) (not (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select (store (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_357) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_358) |c_~#double_Array_0~0.base|))) (concat (select .cse1 (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|)) (select .cse1 |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) .cse2))) (fp.geq (fp.neg |c_ULTIMATE.start_step_#t~mem14#1|) .cse2))) is different from false [2024-11-14 04:25:13,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1056167781] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:25:13,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750352629] [2024-11-14 04:25:13,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:25:13,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:25:13,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:25:13,717 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:25:13,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-14 04:25:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:25:14,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-14 04:25:14,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:25:14,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-14 04:25:14,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-14 04:25:15,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-14 04:25:15,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-11-14 04:25:15,730 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 28 treesize of output 12 [2024-11-14 04:25:16,015 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 23 treesize of output 22 [2024-11-14 04:25:16,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-14 04:25:17,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-14 04:25:17,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 45 [2024-11-14 04:25:18,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:25:18,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 36 [2024-11-14 04:25:18,379 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 60 proven. 192 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-14 04:25:18,379 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:25:24,060 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_387 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_386 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)) (.cse3 (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_386))) (or (not (let ((.cse1 (select .cse3 |c_~#signed_char_Array_0~0.base|))) (let ((.cse0 ((_ sign_extend 24) ((_ extract 7 0) (select .cse1 |c_~#signed_char_Array_0~0.offset|))))) (bvslt (bvadd (bvor .cse0 .cse0) ((_ sign_extend 24) ((_ extract 7 0) (select .cse1 .cse2)))) .cse0)))) (let ((.cse5 (select (store .cse3 |c_~#signed_short_int_Array_0~0.base| v_ArrVal_387) |c_~#signed_char_Array_0~0.base|))) (let ((.cse4 ((_ sign_extend 24) ((_ extract 7 0) (select .cse5 |c_~#signed_char_Array_0~0.offset|))))) (bvsge (bvsdiv .cse4 ((_ sign_extend 24) ((_ extract 7 0) (select .cse5 .cse2)))) .cse4)))))) is different from false [2024-11-14 04:25:24,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750352629] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:25:24,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:25:24,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 8] total 23 [2024-11-14 04:25:24,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758044359] [2024-11-14 04:25:24,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:25:24,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-14 04:25:24,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:25:24,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-14 04:25:24,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=895, Unknown=36, NotChecked=260, Total=1332 [2024-11-14 04:25:24,930 INFO L87 Difference]: Start difference. First operand 488 states and 665 transitions. Second operand has 24 states, 24 states have (on average 5.166666666666667) internal successors, (124), 23 states have internal predecessors, (124), 8 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-14 04:25:46,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:25:47,000 INFO L93 Difference]: Finished difference Result 1872 states and 2550 transitions. [2024-11-14 04:25:47,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 04:25:47,001 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 5.166666666666667) internal successors, (124), 23 states have internal predecessors, (124), 8 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 118 [2024-11-14 04:25:47,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:25:47,009 INFO L225 Difference]: With dead ends: 1872 [2024-11-14 04:25:47,009 INFO L226 Difference]: Without dead ends: 1529 [2024-11-14 04:25:47,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 398 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 29.9s TimeCoverageRelationStatistics Valid=633, Invalid=2769, Unknown=36, NotChecked=468, Total=3906 [2024-11-14 04:25:47,013 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 1863 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 665 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1863 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 2357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 665 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:25:47,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1863 Valid, 841 Invalid, 2357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [665 Valid, 1692 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2024-11-14 04:25:47,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2024-11-14 04:25:47,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 790. [2024-11-14 04:25:47,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 675 states have (on average 1.3274074074074074) internal successors, (896), 680 states have internal predecessors, (896), 96 states have call successors, (96), 18 states have call predecessors, (96), 18 states have return successors, (96), 91 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-14 04:25:47,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1088 transitions. [2024-11-14 04:25:47,154 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1088 transitions. Word has length 118 [2024-11-14 04:25:47,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:25:47,154 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1088 transitions. [2024-11-14 04:25:47,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.166666666666667) internal successors, (124), 23 states have internal predecessors, (124), 8 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-14 04:25:47,155 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1088 transitions. [2024-11-14 04:25:47,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 04:25:47,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:25:47,158 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:25:47,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-14 04:25:47,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-14 04:25:47,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-14 04:25:47,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:25:47,759 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:25:47,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:25:47,760 INFO L85 PathProgramCache]: Analyzing trace with hash 743467456, now seen corresponding path program 1 times [2024-11-14 04:25:47,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:25:47,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798250209] [2024-11-14 04:25:47,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:25:47,760 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 [2024-11-14 04:25:47,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:25:47,762 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 04:25:47,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-14 04:25:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:25:48,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-14 04:25:48,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:25:48,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-14 04:25:49,875 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 8 treesize of output 1 [2024-11-14 04:25:50,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2024-11-14 04:25:53,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 50 [2024-11-14 04:25:55,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 70 [2024-11-14 04:25:55,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2024-11-14 04:25:57,620 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:25:57,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 52 [2024-11-14 04:25:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 127 proven. 6 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-14 04:25:59,722 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:26:01,498 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_410 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_409 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)) (.cse3 (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_409))) (or (not (let ((.cse0 (select .cse3 |c_~#signed_char_Array_0~0.base|))) (let ((.cse2 ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 |c_~#signed_char_Array_0~0.offset|))))) (bvslt (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 .cse1))) (bvor .cse2 .cse2)) .cse2)))) (let ((.cse4 (select (store .cse3 |c_~#signed_short_int_Array_0~0.base| v_ArrVal_410) |c_~#signed_char_Array_0~0.base|))) (let ((.cse5 ((_ sign_extend 24) ((_ extract 7 0) (select .cse4 |c_~#signed_char_Array_0~0.offset|))))) (bvslt (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse4 .cse1))) (bvor .cse5 .cse5)) .cse5)))))) is different from false [2024-11-14 04:26:04,580 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:26:04,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798250209] [2024-11-14 04:26:04,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798250209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:26:04,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [889959473] [2024-11-14 04:26:04,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:26:04,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:26:04,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:26:04,582 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:26:04,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-14 04:26:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:26:05,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-14 04:26:05,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:26:06,189 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 17 treesize of output 9 [2024-11-14 04:26:08,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-14 04:26:11,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-14 04:26:21,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 52 [2024-11-14 04:26:28,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 70 [2024-11-14 04:26:28,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2024-11-14 04:26:33,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 56 [2024-11-14 04:26:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 208 proven. 6 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-14 04:26:38,880 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:26:41,376 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_432 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_433 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_432))) (let ((.cse2 (select (store .cse6 |c_~#signed_short_int_Array_0~0.base| v_ArrVal_433) |c_~#signed_char_Array_0~0.base|)) (.cse5 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|))) (let ((.cse1 ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 .cse5))))) (or (let ((.cse0 ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 |c_~#signed_char_Array_0~0.offset|))))) (bvslt (bvadd (bvor .cse0 .cse0) .cse1) .cse0)) (not (let ((.cse4 (select .cse6 |c_~#signed_char_Array_0~0.base|))) (let ((.cse3 ((_ sign_extend 24) ((_ extract 7 0) (select .cse4 |c_~#signed_char_Array_0~0.offset|))))) (bvslt (bvadd (bvor .cse3 .cse3) ((_ sign_extend 24) ((_ extract 7 0) (select .cse4 .cse5)))) .cse3)))) (= (_ bv1 32) .cse1)))))) is different from false [2024-11-14 04:26:47,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [889959473] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:26:47,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492619606] [2024-11-14 04:26:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:26:47,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:26:47,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:26:47,681 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:26:47,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-14 04:26:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:26:48,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 04:26:48,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:26:50,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 31 [2024-11-14 04:26:51,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:26:51,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 32 [2024-11-14 04:26:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-14 04:26:59,797 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:26:59,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492619606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:26:59,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:26:59,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19, 21] total 43 [2024-11-14 04:26:59,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634415252] [2024-11-14 04:26:59,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:26:59,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:26:59,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:26:59,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:26:59,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=699, Invalid=2814, Unknown=35, NotChecked=234, Total=3782 [2024-11-14 04:26:59,800 INFO L87 Difference]: Start difference. First operand 790 states and 1088 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:27:08,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:27:08,947 INFO L93 Difference]: Finished difference Result 1574 states and 2179 transitions. [2024-11-14 04:27:08,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:27:08,948 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2024-11-14 04:27:08,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:27:08,953 INFO L225 Difference]: With dead ends: 1574 [2024-11-14 04:27:08,954 INFO L226 Difference]: Without dead ends: 942 [2024-11-14 04:27:08,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1720 ImplicationChecksByTransitivity, 55.0s TimeCoverageRelationStatistics Valid=750, Invalid=3005, Unknown=35, NotChecked=242, Total=4032 [2024-11-14 04:27:08,957 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 144 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:27:08,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 276 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-11-14 04:27:08,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2024-11-14 04:27:09,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 888. [2024-11-14 04:27:09,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 773 states have (on average 1.3285899094437257) internal successors, (1027), 778 states have internal predecessors, (1027), 96 states have call successors, (96), 18 states have call predecessors, (96), 18 states have return successors, (96), 91 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-14 04:27:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1219 transitions. [2024-11-14 04:27:09,055 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1219 transitions. Word has length 118 [2024-11-14 04:27:09,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:27:09,055 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1219 transitions. [2024-11-14 04:27:09,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:27:09,055 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1219 transitions. [2024-11-14 04:27:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 04:27:09,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:27:09,058 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:27:09,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-14 04:27:09,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-14 04:27:09,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-14 04:27:09,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:27:09,659 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:27:09,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:27:09,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1552814082, now seen corresponding path program 1 times [2024-11-14 04:27:09,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:27:09,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617903167] [2024-11-14 04:27:09,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:09,661 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 [2024-11-14 04:27:09,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:27:09,664 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 04:27:09,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-14 04:27:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:10,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-14 04:27:10,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:10,969 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 8 treesize of output 1 [2024-11-14 04:27:11,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-14 04:27:11,489 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 33 treesize of output 28 [2024-11-14 04:27:11,787 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:27:11,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 47 [2024-11-14 04:27:11,922 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-14 04:27:11,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:27:12,304 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-14 04:27:12,304 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:27:12,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617903167] [2024-11-14 04:27:12,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617903167] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 04:27:12,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:27:12,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2024-11-14 04:27:12,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840485375] [2024-11-14 04:27:12,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:27:12,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:27:12,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:27:12,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:27:12,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-14 04:27:12,306 INFO L87 Difference]: Start difference. First operand 888 states and 1219 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:27:13,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:27:13,598 INFO L93 Difference]: Finished difference Result 1656 states and 2286 transitions. [2024-11-14 04:27:13,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:27:13,600 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2024-11-14 04:27:13,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:27:13,604 INFO L225 Difference]: With dead ends: 1656 [2024-11-14 04:27:13,605 INFO L226 Difference]: Without dead ends: 950 [2024-11-14 04:27:13,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-14 04:27:13,607 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 37 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:27:13,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 535 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-14 04:27:13,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-11-14 04:27:13,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 900. [2024-11-14 04:27:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 785 states have (on average 1.3235668789808916) internal successors, (1039), 790 states have internal predecessors, (1039), 96 states have call successors, (96), 18 states have call predecessors, (96), 18 states have return successors, (96), 91 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-14 04:27:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1231 transitions. [2024-11-14 04:27:13,737 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1231 transitions. Word has length 118 [2024-11-14 04:27:13,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:27:13,738 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1231 transitions. [2024-11-14 04:27:13,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:27:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1231 transitions. [2024-11-14 04:27:13,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 04:27:13,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:27:13,741 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:27:13,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2024-11-14 04:27:13,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:27:13,941 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:27:13,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:27:13,942 INFO L85 PathProgramCache]: Analyzing trace with hash -945476286, now seen corresponding path program 1 times [2024-11-14 04:27:13,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:27:13,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [973395167] [2024-11-14 04:27:13,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:13,942 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 [2024-11-14 04:27:13,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:27:13,944 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 04:27:13,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-14 04:27:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:14,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 04:27:14,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:14,188 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 [2024-11-14 04:27:14,278 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 43 treesize of output 25 [2024-11-14 04:27:14,355 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-14 04:27:14,355 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:27:14,355 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:27:14,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [973395167] [2024-11-14 04:27:14,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [973395167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:27:14,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:27:14,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:27:14,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360942969] [2024-11-14 04:27:14,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:27:14,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:27:14,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:27:14,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:27:14,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:27:14,357 INFO L87 Difference]: Start difference. First operand 900 states and 1231 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:27:15,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:27:15,555 INFO L93 Difference]: Finished difference Result 1752 states and 2404 transitions. [2024-11-14 04:27:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:27:15,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2024-11-14 04:27:15,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:27:15,560 INFO L225 Difference]: With dead ends: 1752 [2024-11-14 04:27:15,560 INFO L226 Difference]: Without dead ends: 1034 [2024-11-14 04:27:15,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:27:15,563 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 39 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:27:15,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 596 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-14 04:27:15,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-11-14 04:27:15,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 942. [2024-11-14 04:27:15,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 827 states have (on average 1.3216444981862152) internal successors, (1093), 832 states have internal predecessors, (1093), 96 states have call successors, (96), 18 states have call predecessors, (96), 18 states have return successors, (96), 91 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-14 04:27:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1285 transitions. [2024-11-14 04:27:15,669 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1285 transitions. Word has length 118 [2024-11-14 04:27:15,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:27:15,669 INFO L471 AbstractCegarLoop]: Abstraction has 942 states and 1285 transitions. [2024-11-14 04:27:15,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:27:15,670 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1285 transitions. [2024-11-14 04:27:15,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 04:27:15,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:27:15,672 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:27:15,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-14 04:27:15,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:27:15,873 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:27:15,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:27:15,873 INFO L85 PathProgramCache]: Analyzing trace with hash -136129660, now seen corresponding path program 1 times [2024-11-14 04:27:15,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:27:15,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1024119279] [2024-11-14 04:27:15,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:15,874 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 [2024-11-14 04:27:15,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:27:15,878 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 04:27:15,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-14 04:27:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:16,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 04:27:16,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:17,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2024-11-14 04:27:17,492 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:27:17,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 33 [2024-11-14 04:27:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-14 04:27:18,332 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:27:18,332 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:27:18,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1024119279] [2024-11-14 04:27:18,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1024119279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:27:18,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:27:18,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:27:18,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035175849] [2024-11-14 04:27:18,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:27:18,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:27:18,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:27:18,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:27:18,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:27:18,333 INFO L87 Difference]: Start difference. First operand 942 states and 1285 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:27:28,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:27:28,858 INFO L93 Difference]: Finished difference Result 1776 states and 2430 transitions. [2024-11-14 04:27:28,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:27:28,860 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 118 [2024-11-14 04:27:28,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:27:28,864 INFO L225 Difference]: With dead ends: 1776 [2024-11-14 04:27:28,865 INFO L226 Difference]: Without dead ends: 1028 [2024-11-14 04:27:28,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:27:28,867 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 112 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:27:28,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 337 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2024-11-14 04:27:28,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2024-11-14 04:27:28,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 942. [2024-11-14 04:27:28,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 827 states have (on average 1.3143893591293834) internal successors, (1087), 832 states have internal predecessors, (1087), 96 states have call successors, (96), 18 states have call predecessors, (96), 18 states have return successors, (96), 91 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-14 04:27:28,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1279 transitions. [2024-11-14 04:27:28,991 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1279 transitions. Word has length 118 [2024-11-14 04:27:28,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:27:28,992 INFO L471 AbstractCegarLoop]: Abstraction has 942 states and 1279 transitions. [2024-11-14 04:27:28,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 04:27:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1279 transitions. [2024-11-14 04:27:28,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-14 04:27:28,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:27:28,996 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:27:29,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-14 04:27:29,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:27:29,197 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:27:29,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:27:29,197 INFO L85 PathProgramCache]: Analyzing trace with hash 538103935, now seen corresponding path program 1 times [2024-11-14 04:27:29,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:27:29,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884407760] [2024-11-14 04:27:29,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:29,198 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:27:29,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:27:29,200 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 04:27:29,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-14 04:27:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:29,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-14 04:27:29,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:31,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-14 04:27:32,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-14 04:27:33,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 80 [2024-11-14 04:27:33,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:27:33,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 54 [2024-11-14 04:27:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 74 proven. 210 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-14 04:27:33,954 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:27:34,431 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:27:34,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884407760] [2024-11-14 04:27:34,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884407760] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:27:34,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [521663831] [2024-11-14 04:27:34,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:34,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:27:34,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:27:34,433 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:27:34,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-14 04:27:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:35,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 04:27:35,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:36,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-14 04:27:38,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 68 [2024-11-14 04:27:39,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 68 [2024-11-14 04:27:40,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 68 [2024-11-14 04:27:41,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 54 [2024-11-14 04:27:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 74 proven. 210 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-14 04:27:41,178 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:27:41,300 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_564 (Array (_ BitVec 32) (_ BitVec 32)))) (not (fp.geq (fp.neg (let ((.cse0 (let ((.cse1 (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_564) |c_~#double_Array_0~0.base|))) (concat (select .cse1 (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|)) (select .cse1 |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0))))) is different from false [2024-11-14 04:27:41,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [521663831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:27:41,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332758111] [2024-11-14 04:27:41,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:41,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:27:41,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:27:41,325 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:27:41,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_930a5c46-0682-4258-a29a-b1e0e007ea2c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-14 04:27:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:41,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 04:27:41,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:42,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2024-11-14 04:27:53,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 51 [2024-11-14 04:27:53,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 51 [2024-11-14 04:28:02,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 51 [2024-11-14 04:28:15,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:28:15,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 39 [2024-11-14 04:28:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 74 proven. 210 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-14 04:28:15,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:28:16,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332758111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:28:16,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:28:16,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 32 [2024-11-14 04:28:16,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242904089] [2024-11-14 04:28:16,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:28:16,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-14 04:28:16,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:28:16,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-14 04:28:16,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1080, Unknown=25, NotChecked=68, Total=1332 [2024-11-14 04:28:16,094 INFO L87 Difference]: Start difference. First operand 942 states and 1279 transitions. Second operand has 33 states, 30 states have (on average 4.633333333333334) internal successors, (139), 30 states have internal predecessors, (139), 14 states have call successors, (36), 14 states have call predecessors, (36), 14 states have return successors, (36), 11 states have call predecessors, (36), 14 states have call successors, (36) [2024-11-14 04:28:19,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:28:23,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:28:25,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:28:27,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:28:29,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:28:32,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:28:34,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:28:36,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:28:38,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:28:42,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:28:44,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:28:46,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:28:48,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:28:50,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:29:16,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:29:18,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:29:21,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:29:23,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:29:25,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:29:27,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:29:29,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:29:31,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:29:33,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:29:35,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:29:37,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:29:39,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:29:41,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:30:09,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:30:11,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:30:13,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:30:15,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:30:17,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:30:46,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:30:48,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:30:50,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:30:52,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:30:54,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:30:56,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:30:58,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:00,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:02,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:04,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:06,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:08,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:10,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:12,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:14,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:16,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:18,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:21,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:23,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:25,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:27,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:29,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:31,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:33,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:35,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:37,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:39,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:41,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:43,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:45,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:47,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:49,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:51,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:53,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:55,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:31:57,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:32:37,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:32:39,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:32:41,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:32:43,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:32:45,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:32:47,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:32:49,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:32:51,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:32:53,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:32:55,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:32:57,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:32:59,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:01,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:03,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:05,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:07,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:09,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:11,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:18,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:20,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:22,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:24,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:26,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:28,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:30,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:32,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:34,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:36,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:38,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:33:40,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]