./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-28.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_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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_18a4a062-850a-4711-a508-e6b7f3a727a4/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 f087c65c2f7683fdbf5894edd88b7aff773198dd31c450de1532cfa19090054a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:35:58,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:35:58,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:35:58,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:35:58,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:35:58,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:35:58,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:35:58,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:35:58,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:35:58,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:35:58,762 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:35:58,762 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:35:58,762 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:35:58,763 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:35:58,763 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:35:58,763 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:35:58,763 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:35:58,764 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:35:58,764 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:35:58,764 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:35:58,764 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:35:58,764 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:35:58,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:35:58,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:35:58,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:35:58,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:35:58,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:35:58,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:35:58,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:35:58,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:35:58,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:35:58,767 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:35:58,767 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:35:58,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:35:58,768 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:35:58,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:35:58,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:35:58,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:35:58,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:35:58,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:35:58,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:35:58,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:35:58,768 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:35:58,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:35:58,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:35:58,769 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:35:58,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:35:58,770 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_18a4a062-850a-4711-a508-e6b7f3a727a4/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 -> f087c65c2f7683fdbf5894edd88b7aff773198dd31c450de1532cfa19090054a [2024-11-14 05:35:59,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:35:59,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:35:59,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:35:59,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:35:59,052 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:35:59,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-28.i Unable to find full path for "g++" [2024-11-14 05:36:00,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:36:01,231 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:36:01,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-28.i [2024-11-14 05:36:01,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/data/c41cee378/d8bf808ee2cd459bba1afa149a83eb80/FLAG9e8b26da6 [2024-11-14 05:36:01,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/data/c41cee378/d8bf808ee2cd459bba1afa149a83eb80 [2024-11-14 05:36:01,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:36:01,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:36:01,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:36:01,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:36:01,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:36:01,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:36:01" (1/1) ... [2024-11-14 05:36:01,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c3bbabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01, skipping insertion in model container [2024-11-14 05:36:01,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:36:01" (1/1) ... [2024-11-14 05:36:01,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:36:01,477 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_18a4a062-850a-4711-a508-e6b7f3a727a4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-28.i[916,929] [2024-11-14 05:36:01,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:36:01,599 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:36:01,615 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_18a4a062-850a-4711-a508-e6b7f3a727a4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-28.i[916,929] [2024-11-14 05:36:01,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:36:01,724 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:36:01,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01 WrapperNode [2024-11-14 05:36:01,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:36:01,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:36:01,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:36:01,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:36:01,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01" (1/1) ... [2024-11-14 05:36:01,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01" (1/1) ... [2024-11-14 05:36:01,800 INFO L138 Inliner]: procedures = 29, calls = 182, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 580 [2024-11-14 05:36:01,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:36:01,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:36:01,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:36:01,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:36:01,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01" (1/1) ... [2024-11-14 05:36:01,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01" (1/1) ... [2024-11-14 05:36:01,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01" (1/1) ... [2024-11-14 05:36:01,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01" (1/1) ... [2024-11-14 05:36:01,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01" (1/1) ... [2024-11-14 05:36:01,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01" (1/1) ... [2024-11-14 05:36:01,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01" (1/1) ... [2024-11-14 05:36:01,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01" (1/1) ... [2024-11-14 05:36:01,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:36:01,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:36:01,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:36:01,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:36:01,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01" (1/1) ... [2024-11-14 05:36:01,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:36:01,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:36:01,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:36:01,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:36:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:36:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:36:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 05:36:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 05:36:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:36:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-14 05:36:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:36:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:36:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:36:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:36:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:36:02,063 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:36:02,065 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:36:02,728 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-14 05:36:02,728 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:36:03,487 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:36:03,487 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:36:03,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:03 BoogieIcfgContainer [2024-11-14 05:36:03,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:36:03,491 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:36:03,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:36:03,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:36:03,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:36:01" (1/3) ... [2024-11-14 05:36:03,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e26b88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:36:03, skipping insertion in model container [2024-11-14 05:36:03,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:01" (2/3) ... [2024-11-14 05:36:03,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e26b88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:36:03, skipping insertion in model container [2024-11-14 05:36:03,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:03" (3/3) ... [2024-11-14 05:36:03,500 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-28.i [2024-11-14 05:36:03,518 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:36:03,519 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-28.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:36:03,578 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:36:03,593 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;@52b9433b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:36:03,593 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:36:03,597 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 05:36:03,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-14 05:36:03,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:03,607 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 05:36:03,607 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:03,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:03,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1126954435, now seen corresponding path program 1 times [2024-11-14 05:36:03,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:36:03,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455930813] [2024-11-14 05:36:03,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:03,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:36:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:36:05,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:36:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:36:06,097 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:36:06,099 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:36:06,100 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:36:06,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:36:06,107 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:36:06,188 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:36:06,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:36:06 BoogieIcfgContainer [2024-11-14 05:36:06,191 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:36:06,192 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:36:06,192 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:36:06,192 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:36:06,193 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:03" (3/4) ... [2024-11-14 05:36:06,196 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:36:06,197 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:36:06,200 INFO L158 Benchmark]: Toolchain (without parser) took 4925.90ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 92.8MB in the beginning and 77.9MB in the end (delta: 14.9MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-11-14 05:36:06,200 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:36:06,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.13ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 76.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:36:06,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.66ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 72.6MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:36:06,202 INFO L158 Benchmark]: Boogie Preprocessor took 73.46ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 69.4MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:36:06,206 INFO L158 Benchmark]: RCFGBuilder took 1612.21ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 56.6MB in the end (delta: 12.8MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-11-14 05:36:06,206 INFO L158 Benchmark]: TraceAbstraction took 2700.53ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 56.6MB in the beginning and 77.9MB in the end (delta: -21.3MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-11-14 05:36:06,207 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 167.8MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 21.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:36:06,209 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.13ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 76.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.66ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 72.6MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.46ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 69.4MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1612.21ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 56.6MB in the end (delta: 12.8MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2700.53ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 56.6MB in the beginning and 77.9MB in the end (delta: -21.3MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 167.8MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 21.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 42, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of bitwiseOr at line 52. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] float float_Array_0[2][3] = { {99.5, 255.9, 255.75}, {4.75, 24.85, 63.75} }; [L25-L27] signed char signed_char_Array_0[2][2] = { {-10, 10}, {4, 1} }; [L28-L30] signed long int signed_long_int_Array_0[3] = { -2, 1629954775, 1928642731 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 0 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[1] = { 5 }; [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] FCALL updateLastVariables() [L95] CALL updateVariables() [L60] float_Array_0[0][0] = __VERIFIER_nondet_float() [L61] EXPR float_Array_0[0][0] [L61] EXPR float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F [L61] EXPR (float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854765600e+12F && float_Array_0[0][0] >= 1.0e-20F ) [L61] EXPR float_Array_0[0][0] [L61] EXPR float_Array_0[0][0] <= 9223372.036854765600e+12F && float_Array_0[0][0] >= 1.0e-20F [L61] EXPR float_Array_0[0][0] [L61] EXPR float_Array_0[0][0] <= 9223372.036854765600e+12F && float_Array_0[0][0] >= 1.0e-20F [L61] EXPR (float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854765600e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L61] CALL assume_abort_if_not((float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854765600e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854765600e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L62] float_Array_0[0][1] = __VERIFIER_nondet_float() [L63] EXPR float_Array_0[0][1] [L63] EXPR float_Array_0[0][1] >= -922337.2036854765600e+13F && float_Array_0[0][1] <= -1.0e-20F [L63] EXPR (float_Array_0[0][1] >= -922337.2036854765600e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854765600e+12F && float_Array_0[0][1] >= 1.0e-20F ) [L63] EXPR float_Array_0[0][1] [L63] EXPR float_Array_0[0][1] <= 9223372.036854765600e+12F && float_Array_0[0][1] >= 1.0e-20F [L63] EXPR float_Array_0[0][1] [L63] EXPR float_Array_0[0][1] <= 9223372.036854765600e+12F && float_Array_0[0][1] >= 1.0e-20F [L63] EXPR (float_Array_0[0][1] >= -922337.2036854765600e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854765600e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L63] CALL assume_abort_if_not((float_Array_0[0][1] >= -922337.2036854765600e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854765600e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((float_Array_0[0][1] >= -922337.2036854765600e+13F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854765600e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L64] float_Array_0[0][2] = __VERIFIER_nondet_float() [L65] EXPR float_Array_0[0][2] [L65] EXPR float_Array_0[0][2] >= 0.0F && float_Array_0[0][2] <= -1.0e-20F [L65] EXPR (float_Array_0[0][2] >= 0.0F && float_Array_0[0][2] <= -1.0e-20F) || (float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F ) [L65] EXPR float_Array_0[0][2] [L65] EXPR float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F [L65] EXPR float_Array_0[0][2] [L65] EXPR float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F [L65] EXPR (float_Array_0[0][2] >= 0.0F && float_Array_0[0][2] <= -1.0e-20F) || (float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L65] CALL assume_abort_if_not((float_Array_0[0][2] >= 0.0F && float_Array_0[0][2] <= -1.0e-20F) || (float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((float_Array_0[0][2] >= 0.0F && float_Array_0[0][2] <= -1.0e-20F) || (float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L66] float_Array_0[1][2] = __VERIFIER_nondet_float() [L67] EXPR float_Array_0[1][2] [L67] EXPR float_Array_0[1][2] >= 0.0F && float_Array_0[1][2] <= -1.0e-20F [L67] EXPR float_Array_0[1][2] [L67] EXPR float_Array_0[1][2] >= 0.0F && float_Array_0[1][2] <= -1.0e-20F [L67] EXPR (float_Array_0[1][2] >= 0.0F && float_Array_0[1][2] <= -1.0e-20F) || (float_Array_0[1][2] <= 9223372.036854776000e+12F && float_Array_0[1][2] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L67] CALL assume_abort_if_not((float_Array_0[1][2] >= 0.0F && float_Array_0[1][2] <= -1.0e-20F) || (float_Array_0[1][2] <= 9223372.036854776000e+12F && float_Array_0[1][2] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((float_Array_0[1][2] >= 0.0F && float_Array_0[1][2] <= -1.0e-20F) || (float_Array_0[1][2] <= 9223372.036854776000e+12F && float_Array_0[1][2] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L69] EXPR signed_char_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(signed_char_Array_0[0][0] >= -127) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(signed_char_Array_0[0][0] >= -127) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] EXPR signed_char_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 126) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 126) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] signed_char_Array_0[1][0] = __VERIFIER_nondet_char() [L72] EXPR signed_char_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not(signed_char_Array_0[1][0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(signed_char_Array_0[1][0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR signed_char_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(signed_char_Array_0[1][0] <= 126) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(signed_char_Array_0[1][0] <= 126) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] signed_char_Array_0[0][1] = __VERIFIER_nondet_char() [L75] EXPR signed_char_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not(signed_char_Array_0[0][1] >= -1) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(signed_char_Array_0[0][1] >= -1) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] EXPR signed_char_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] CALL assume_abort_if_not(signed_char_Array_0[0][1] <= 126) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(signed_char_Array_0[0][1] <= 126) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] signed_long_int_Array_0[1] = __VERIFIER_nondet_long() [L78] EXPR signed_long_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] CALL assume_abort_if_not(signed_long_int_Array_0[1] >= 1073741822) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(signed_long_int_Array_0[1] >= 1073741822) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR signed_long_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not(signed_long_int_Array_0[1] <= 2147483646) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(signed_long_int_Array_0[1] <= 2147483646) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] signed_long_int_Array_0[2] = __VERIFIER_nondet_long() [L81] EXPR signed_long_int_Array_0[2] VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not(signed_long_int_Array_0[2] >= 1073741823) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(signed_long_int_Array_0[2] >= 1073741823) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] EXPR signed_long_int_Array_0[2] VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] CALL assume_abort_if_not(signed_long_int_Array_0[2] <= 2147483646) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(signed_long_int_Array_0[2] <= 2147483646) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L95] RET updateVariables() [L96] CALL step() [L40] signed long int stepLocal_0 = -4; [L41] EXPR signed_char_Array_0[1][0] [L41] COND TRUE stepLocal_0 < signed_char_Array_0[1][0] [L42] EXPR float_Array_0[0][0] [L42] EXPR float_Array_0[0][1] [L42] EXPR ((float_Array_0[0][0]) < (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1]) [L42] EXPR float_Array_0[0][0] [L42] EXPR ((float_Array_0[0][0]) < (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1]) [L42] float_Array_0[1][0] = ((((float_Array_0[0][0]) < (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1]))) [L44] EXPR float_Array_0[0][0] [L44] EXPR float_Array_0[0][1] [L44] EXPR ((float_Array_0[0][0]) > (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1]) [L44] EXPR float_Array_0[0][0] [L44] EXPR ((float_Array_0[0][0]) > (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1]) [L44] float_Array_0[1][1] = ((((float_Array_0[0][0]) > (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1]))) [L45] EXPR signed_char_Array_0[0][1] [L45] signed_short_int_Array_0[0] = signed_char_Array_0[0][1] [L46] EXPR signed_char_Array_0[1][0] [L46] unsigned_short_int_Array_0[0] = signed_char_Array_0[1][0] [L47] EXPR float_Array_0[1][2] [L47] EXPR float_Array_0[0][2] [L47] EXPR float_Array_0[1][0] [L47] COND TRUE (float_Array_0[1][2] - float_Array_0[0][2]) <= (- float_Array_0[1][0]) [L48] EXPR signed_char_Array_0[0][1] [L48] EXPR signed_char_Array_0[1][0] [L48] EXPR signed_char_Array_0[0][0] [L48] EXPR (((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) < (signed_char_Array_0[0][0])) ? ((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) : (signed_char_Array_0[0][0]) [L48] EXPR signed_char_Array_0[0][1] [L48] EXPR signed_char_Array_0[1][0] [L48] EXPR (((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) < (signed_char_Array_0[0][0])) ? ((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) : (signed_char_Array_0[0][0]) [L48] signed_char_Array_0[1][1] = (((((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) < (signed_char_Array_0[0][0])) ? ((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) : (signed_char_Array_0[0][0]))) [L52] EXPR signed_char_Array_0[1][0] [L52] EXPR signed_char_Array_0[1][0] | 5 [L52] signed long int stepLocal_1 = signed_char_Array_0[1][0] | 5; [L53] EXPR signed_char_Array_0[0][1] [L53] EXPR signed_char_Array_0[0][0] [L53] EXPR ((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]) [L53] EXPR signed_char_Array_0[0][0] [L53] EXPR ((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]) [L53] COND TRUE stepLocal_1 <= ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0]))) [L54] EXPR signed_char_Array_0[1][0] [L54] EXPR signed_long_int_Array_0[1] [L54] EXPR unsigned_short_int_Array_0[0] [L54] EXPR ((signed_char_Array_0[1][0]) < ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0]))) ? (signed_char_Array_0[1][0]) : ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0])) [L54] EXPR signed_char_Array_0[1][0] [L54] EXPR ((signed_char_Array_0[1][0]) < ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0]))) ? (signed_char_Array_0[1][0]) : ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0])) [L54] EXPR signed_long_int_Array_0[2] [L54] EXPR signed_char_Array_0[0][1] [L54] EXPR ((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1]) [L54] EXPR signed_char_Array_0[0][1] [L54] EXPR ((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1]) [L54] signed_long_int_Array_0[0] = (((((signed_char_Array_0[1][0]) < ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0]))) ? (signed_char_Array_0[1][0]) : ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0])))) - (signed_long_int_Array_0[2] - ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1]))))) [L96] RET step() [L97] CALL, EXPR property() [L87] EXPR float_Array_0[1][2] [L87] EXPR float_Array_0[0][2] [L87] EXPR float_Array_0[1][0] [L87] EXPR ((float_Array_0[1][2] - float_Array_0[0][2]) <= (- float_Array_0[1][0])) ? (signed_char_Array_0[1][1] == ((signed char) (((((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) < (signed_char_Array_0[0][0])) ? ((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) : (signed_char_Array_0[0][0]))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) [L87] EXPR signed_char_Array_0[1][1] [L87] EXPR signed_char_Array_0[0][1] [L87] EXPR ((float_Array_0[1][2] - float_Array_0[0][2]) <= (- float_Array_0[1][0])) ? (signed_char_Array_0[1][1] == ((signed char) (((((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) < (signed_char_Array_0[0][0])) ? ((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) : (signed_char_Array_0[0][0]))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1])) [L87] EXPR (((float_Array_0[1][2] - float_Array_0[0][2]) <= (- float_Array_0[1][0])) ? (signed_char_Array_0[1][1] == ((signed char) (((((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) < (signed_char_Array_0[0][0])) ? ((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) : (signed_char_Array_0[0][0]))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && ((-4 < signed_char_Array_0[1][0]) ? (float_Array_0[1][0] == ((float) ((((float_Array_0[0][0]) < (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1]))))) : 1) [L87] EXPR ((((float_Array_0[1][2] - float_Array_0[0][2]) <= (- float_Array_0[1][0])) ? (signed_char_Array_0[1][1] == ((signed char) (((((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) < (signed_char_Array_0[0][0])) ? ((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) : (signed_char_Array_0[0][0]))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && ((-4 < signed_char_Array_0[1][0]) ? (float_Array_0[1][0] == ((float) ((((float_Array_0[0][0]) < (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1]))))) : 1)) && (float_Array_0[1][1] == ((float) ((((float_Array_0[0][0]) > (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1]))))) [L87] EXPR (((((float_Array_0[1][2] - float_Array_0[0][2]) <= (- float_Array_0[1][0])) ? (signed_char_Array_0[1][1] == ((signed char) (((((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) < (signed_char_Array_0[0][0])) ? ((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) : (signed_char_Array_0[0][0]))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && ((-4 < signed_char_Array_0[1][0]) ? (float_Array_0[1][0] == ((float) ((((float_Array_0[0][0]) < (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1]))))) : 1)) && (float_Array_0[1][1] == ((float) ((((float_Array_0[0][0]) > (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1])))))) && (((signed_char_Array_0[1][0] | 5) <= ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0])))) ? (signed_long_int_Array_0[0] == ((signed long int) (((((signed_char_Array_0[1][0]) < ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0]))) ? (signed_char_Array_0[1][0]) : ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0])))) - (signed_long_int_Array_0[2] - ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1]))))))) : (signed_long_int_Array_0[0] == ((signed long int) (signed_char_Array_0[1][0] + (((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[0]))))) [L87] EXPR ((((((float_Array_0[1][2] - float_Array_0[0][2]) <= (- float_Array_0[1][0])) ? (signed_char_Array_0[1][1] == ((signed char) (((((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) < (signed_char_Array_0[0][0])) ? ((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) : (signed_char_Array_0[0][0]))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && ((-4 < signed_char_Array_0[1][0]) ? (float_Array_0[1][0] == ((float) ((((float_Array_0[0][0]) < (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1]))))) : 1)) && (float_Array_0[1][1] == ((float) ((((float_Array_0[0][0]) > (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1])))))) && (((signed_char_Array_0[1][0] | 5) <= ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0])))) ? (signed_long_int_Array_0[0] == ((signed long int) (((((signed_char_Array_0[1][0]) < ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0]))) ? (signed_char_Array_0[1][0]) : ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0])))) - (signed_long_int_Array_0[2] - ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1]))))))) : (signed_long_int_Array_0[0] == ((signed long int) (signed_char_Array_0[1][0] + (((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[0])))))) && (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])) [L87] EXPR (((((((float_Array_0[1][2] - float_Array_0[0][2]) <= (- float_Array_0[1][0])) ? (signed_char_Array_0[1][1] == ((signed char) (((((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) < (signed_char_Array_0[0][0])) ? ((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) : (signed_char_Array_0[0][0]))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && ((-4 < signed_char_Array_0[1][0]) ? (float_Array_0[1][0] == ((float) ((((float_Array_0[0][0]) < (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1]))))) : 1)) && (float_Array_0[1][1] == ((float) ((((float_Array_0[0][0]) > (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1])))))) && (((signed_char_Array_0[1][0] | 5) <= ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0])))) ? (signed_long_int_Array_0[0] == ((signed long int) (((((signed_char_Array_0[1][0]) < ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0]))) ? (signed_char_Array_0[1][0]) : ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0])))) - (signed_long_int_Array_0[2] - ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1]))))))) : (signed_long_int_Array_0[0] == ((signed long int) (signed_char_Array_0[1][0] + (((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[0])))))) && (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) signed_char_Array_0[1][0])) [L87-L88] return (((((((float_Array_0[1][2] - float_Array_0[0][2]) <= (- float_Array_0[1][0])) ? (signed_char_Array_0[1][1] == ((signed char) (((((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) < (signed_char_Array_0[0][0])) ? ((signed_char_Array_0[0][1] - signed_char_Array_0[1][0])) : (signed_char_Array_0[0][0]))))) : (signed_char_Array_0[1][1] == ((signed char) signed_char_Array_0[0][1]))) && ((-4 < signed_char_Array_0[1][0]) ? (float_Array_0[1][0] == ((float) ((((float_Array_0[0][0]) < (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1]))))) : 1)) && (float_Array_0[1][1] == ((float) ((((float_Array_0[0][0]) > (float_Array_0[0][1])) ? (float_Array_0[0][0]) : (float_Array_0[0][1])))))) && (((signed_char_Array_0[1][0] | 5) <= ((((signed_char_Array_0[0][1]) > (signed_char_Array_0[0][0])) ? (signed_char_Array_0[0][1]) : (signed_char_Array_0[0][0])))) ? (signed_long_int_Array_0[0] == ((signed long int) (((((signed_char_Array_0[1][0]) < ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0]))) ? (signed_char_Array_0[1][0]) : ((signed_long_int_Array_0[1] - unsigned_short_int_Array_0[0])))) - (signed_long_int_Array_0[2] - ((((signed_char_Array_0[0][1]) < 0 ) ? -(signed_char_Array_0[0][1]) : (signed_char_Array_0[0][1]))))))) : (signed_long_int_Array_0[0] == ((signed long int) (signed_char_Array_0[1][0] + (((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[0])))))) && (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) signed_char_Array_0[1][0])) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [float_Array_0={4:0}, isInitial=1, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, 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: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 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 05:36:06,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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_18a4a062-850a-4711-a508-e6b7f3a727a4/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 f087c65c2f7683fdbf5894edd88b7aff773198dd31c450de1532cfa19090054a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:36:08,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:36:08,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:36:08,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:36:08,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:36:09,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:36:09,004 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:36:09,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:36:09,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:36:09,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:36:09,006 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:36:09,006 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:36:09,007 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:36:09,007 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:36:09,008 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:36:09,008 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:36:09,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:36:09,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:36:09,009 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:36:09,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:36:09,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:36:09,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:36:09,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:36:09,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:36:09,010 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:36:09,010 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:36:09,010 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:36:09,010 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:36:09,011 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:36:09,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:36:09,011 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:36:09,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:36:09,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:36:09,011 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:36:09,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:36:09,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:36:09,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:36:09,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:36:09,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:36:09,013 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:36:09,013 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:36:09,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:36:09,013 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:36:09,013 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_18a4a062-850a-4711-a508-e6b7f3a727a4/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 -> f087c65c2f7683fdbf5894edd88b7aff773198dd31c450de1532cfa19090054a [2024-11-14 05:36:09,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:36:09,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:36:09,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:36:09,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:36:09,338 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:36:09,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-28.i Unable to find full path for "g++" [2024-11-14 05:36:11,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:36:11,499 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:36:11,500 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-28.i [2024-11-14 05:36:11,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/data/e4622ff71/3ba0584bbed14979a0c2101432baed3a/FLAG8e790be4c [2024-11-14 05:36:11,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/data/e4622ff71/3ba0584bbed14979a0c2101432baed3a [2024-11-14 05:36:11,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:36:11,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:36:11,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:36:11,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:36:11,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:36:11,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:36:11" (1/1) ... [2024-11-14 05:36:11,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79038012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11, skipping insertion in model container [2024-11-14 05:36:11,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:36:11" (1/1) ... [2024-11-14 05:36:11,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:36:11,731 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_18a4a062-850a-4711-a508-e6b7f3a727a4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-28.i[916,929] [2024-11-14 05:36:11,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:36:11,859 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:36:11,868 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_18a4a062-850a-4711-a508-e6b7f3a727a4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-28.i[916,929] [2024-11-14 05:36:11,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:36:11,952 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:36:11,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11 WrapperNode [2024-11-14 05:36:11,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:36:11,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:36:11,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:36:11,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:36:11,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11" (1/1) ... [2024-11-14 05:36:11,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11" (1/1) ... [2024-11-14 05:36:12,022 INFO L138 Inliner]: procedures = 36, calls = 182, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 558 [2024-11-14 05:36:12,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:36:12,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:36:12,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:36:12,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:36:12,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11" (1/1) ... [2024-11-14 05:36:12,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11" (1/1) ... [2024-11-14 05:36:12,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11" (1/1) ... [2024-11-14 05:36:12,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11" (1/1) ... [2024-11-14 05:36:12,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11" (1/1) ... [2024-11-14 05:36:12,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11" (1/1) ... [2024-11-14 05:36:12,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11" (1/1) ... [2024-11-14 05:36:12,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11" (1/1) ... [2024-11-14 05:36:12,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:36:12,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:36:12,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:36:12,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:36:12,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11" (1/1) ... [2024-11-14 05:36:12,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:36:12,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:36:12,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:36:12,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:36:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:36:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 05:36:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-14 05:36:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:36:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-14 05:36:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 05:36:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 05:36:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-14 05:36:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 05:36:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-14 05:36:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:36:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:36:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:36:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:36:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 05:36:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-14 05:36:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 05:36:12,362 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:36:12,364 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:36:13,374 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2024-11-14 05:36:13,374 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:36:13,392 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:36:13,392 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:36:13,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:13 BoogieIcfgContainer [2024-11-14 05:36:13,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:36:13,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:36:13,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:36:13,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:36:13,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:36:11" (1/3) ... [2024-11-14 05:36:13,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fbefb37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:36:13, skipping insertion in model container [2024-11-14 05:36:13,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:36:11" (2/3) ... [2024-11-14 05:36:13,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fbefb37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:36:13, skipping insertion in model container [2024-11-14 05:36:13,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:36:13" (3/3) ... [2024-11-14 05:36:13,407 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-28.i [2024-11-14 05:36:13,425 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:36:13,426 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-28.i that has 2 procedures, 115 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:36:13,496 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:36:13,514 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;@35202c10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:36:13,515 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:36:13,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 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 05:36:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-14 05:36:13,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:13,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:13,537 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:13,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:13,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1865384697, now seen corresponding path program 1 times [2024-11-14 05:36:13,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:13,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201774285] [2024-11-14 05:36:13,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:13,560 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 05:36:13,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:13,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:13,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:14,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:36:14,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:14,146 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-14 05:36:14,147 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:36:14,147 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:14,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201774285] [2024-11-14 05:36:14,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201774285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:36:14,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:36:14,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:36:14,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857061462] [2024-11-14 05:36:14,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:36:14,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:36:14,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:14,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:36:14,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:36:14,185 INFO L87 Difference]: Start difference. First operand has 115 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 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 32.5) internal successors, (65), 2 states have internal predecessors, (65), 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 05:36:14,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:14,255 INFO L93 Difference]: Finished difference Result 223 states and 344 transitions. [2024-11-14 05:36:14,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:36:14,257 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (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 128 [2024-11-14 05:36:14,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:14,263 INFO L225 Difference]: With dead ends: 223 [2024-11-14 05:36:14,263 INFO L226 Difference]: Without dead ends: 111 [2024-11-14 05:36:14,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 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 05:36:14,269 INFO L432 NwaCegarLoop]: 161 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, 161 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 05:36:14,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:36:14,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-14 05:36:14,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-14 05:36:14,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 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 05:36:14,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2024-11-14 05:36:14,317 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 128 [2024-11-14 05:36:14,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:14,318 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2024-11-14 05:36:14,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (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 05:36:14,319 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2024-11-14 05:36:14,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-14 05:36:14,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:14,321 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:14,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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)] Forceful destruction successful, exit code 0 [2024-11-14 05:36:14,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:14,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:14,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:14,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1727344909, now seen corresponding path program 1 times [2024-11-14 05:36:14,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:14,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969511857] [2024-11-14 05:36:14,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:14,524 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 05:36:14,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:14,528 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:14,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:15,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:36:15,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:15,135 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-14 05:36:15,138 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:36:15,139 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:15,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969511857] [2024-11-14 05:36:15,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1969511857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:36:15,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:36:15,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:36:15,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529044670] [2024-11-14 05:36:15,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:36:15,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:36:15,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:15,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:36:15,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:36:15,142 INFO L87 Difference]: Start difference. First operand 111 states and 161 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 05:36:15,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:15,232 INFO L93 Difference]: Finished difference Result 221 states and 322 transitions. [2024-11-14 05:36:15,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:36:15,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 128 [2024-11-14 05:36:15,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:15,235 INFO L225 Difference]: With dead ends: 221 [2024-11-14 05:36:15,235 INFO L226 Difference]: Without dead ends: 113 [2024-11-14 05:36:15,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 125 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 05:36:15,236 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:36:15,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 466 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:36:15,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-14 05:36:15,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-14 05:36:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 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 05:36:15,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 163 transitions. [2024-11-14 05:36:15,249 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 163 transitions. Word has length 128 [2024-11-14 05:36:15,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:15,251 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 163 transitions. [2024-11-14 05:36:15,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 05:36:15,251 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 163 transitions. [2024-11-14 05:36:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-14 05:36:15,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:15,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:15,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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)] Ended with exit code 0 [2024-11-14 05:36:15,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:15,454 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:15,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:15,454 INFO L85 PathProgramCache]: Analyzing trace with hash -274541361, now seen corresponding path program 1 times [2024-11-14 05:36:15,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:15,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399153826] [2024-11-14 05:36:15,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:15,455 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:36:15,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:15,459 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:15,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 (4)] Waiting until timeout for monitored process [2024-11-14 05:36:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:15,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:36:15,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:16,016 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 05:36:16,018 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:36:16,018 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:16,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399153826] [2024-11-14 05:36:16,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399153826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:36:16,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:36:16,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 05:36:16,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664035141] [2024-11-14 05:36:16,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:36:16,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:36:16,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:16,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:36:16,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:36:16,023 INFO L87 Difference]: Start difference. First operand 113 states and 163 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (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 05:36:16,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:16,150 INFO L93 Difference]: Finished difference Result 230 states and 333 transitions. [2024-11-14 05:36:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:36:16,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (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 128 [2024-11-14 05:36:16,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:16,154 INFO L225 Difference]: With dead ends: 230 [2024-11-14 05:36:16,154 INFO L226 Difference]: Without dead ends: 120 [2024-11-14 05:36:16,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:36:16,159 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:36:16,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 749 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:36:16,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-14 05:36:16,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2024-11-14 05:36:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 103 states have (on average 1.3689320388349515) internal successors, (141), 103 states have internal predecessors, (141), 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 05:36:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 169 transitions. [2024-11-14 05:36:16,180 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 169 transitions. Word has length 128 [2024-11-14 05:36:16,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:16,184 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 169 transitions. [2024-11-14 05:36:16,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (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 05:36:16,185 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 169 transitions. [2024-11-14 05:36:16,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-14 05:36:16,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:16,187 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:16,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 (4)] Ended with exit code 0 [2024-11-14 05:36:16,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:16,388 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:16,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:16,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1500466001, now seen corresponding path program 1 times [2024-11-14 05:36:16,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:16,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581241867] [2024-11-14 05:36:16,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:16,389 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 05:36:16,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:16,395 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:16,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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)] Waiting until timeout for monitored process [2024-11-14 05:36:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:16,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:36:16,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:16,920 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 05:36:16,920 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:36:16,920 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:16,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581241867] [2024-11-14 05:36:16,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581241867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:36:16,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:36:16,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 05:36:16,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650232364] [2024-11-14 05:36:16,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:36:16,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:36:16,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:16,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:36:16,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:36:16,922 INFO L87 Difference]: Start difference. First operand 119 states and 169 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 05:36:17,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:17,039 INFO L93 Difference]: Finished difference Result 238 states and 339 transitions. [2024-11-14 05:36:17,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:36:17,040 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 128 [2024-11-14 05:36:17,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:17,045 INFO L225 Difference]: With dead ends: 238 [2024-11-14 05:36:17,045 INFO L226 Difference]: Without dead ends: 122 [2024-11-14 05:36:17,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:36:17,047 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:36:17,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 892 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:36:17,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-14 05:36:17,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-14 05:36:17,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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 05:36:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 171 transitions. [2024-11-14 05:36:17,062 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 171 transitions. Word has length 128 [2024-11-14 05:36:17,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:17,063 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 171 transitions. [2024-11-14 05:36:17,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 05:36:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 171 transitions. [2024-11-14 05:36:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-14 05:36:17,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:17,066 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:17,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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)] Ended with exit code 0 [2024-11-14 05:36:17,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:17,267 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:17,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:17,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1502313043, now seen corresponding path program 1 times [2024-11-14 05:36:17,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:17,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747232212] [2024-11-14 05:36:17,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:17,268 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 05:36:17,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:17,272 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:17,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:17,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 05:36:17,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:17,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-14 05:36:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-14 05:36:17,921 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:36:17,921 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:17,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747232212] [2024-11-14 05:36:17,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1747232212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:36:17,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:36:17,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:36:17,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395500751] [2024-11-14 05:36:17,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:36:17,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:36:17,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:17,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:36:17,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:36:17,923 INFO L87 Difference]: Start difference. First operand 121 states and 171 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 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 05:36:18,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:18,982 INFO L93 Difference]: Finished difference Result 240 states and 340 transitions. [2024-11-14 05:36:18,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:36:18,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 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 128 [2024-11-14 05:36:18,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:18,986 INFO L225 Difference]: With dead ends: 240 [2024-11-14 05:36:18,986 INFO L226 Difference]: Without dead ends: 122 [2024-11-14 05:36:18,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:36:18,987 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 141 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:36:18,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 462 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-14 05:36:18,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-14 05:36:19,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-14 05:36:19,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 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 05:36:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 170 transitions. [2024-11-14 05:36:19,007 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 170 transitions. Word has length 128 [2024-11-14 05:36:19,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:19,008 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 170 transitions. [2024-11-14 05:36:19,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 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 05:36:19,009 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 170 transitions. [2024-11-14 05:36:19,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-14 05:36:19,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:19,011 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:19,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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)] Ended with exit code 0 [2024-11-14 05:36:19,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:19,211 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:19,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:19,212 INFO L85 PathProgramCache]: Analyzing trace with hash 711061049, now seen corresponding path program 1 times [2024-11-14 05:36:19,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:19,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500591683] [2024-11-14 05:36:19,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:19,213 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:36:19,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:19,214 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:19,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 (7)] Waiting until timeout for monitored process [2024-11-14 05:36:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:19,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 05:36:19,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:19,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-14 05:36:19,837 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-14 05:36:19,837 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:36:19,837 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:19,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500591683] [2024-11-14 05:36:19,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500591683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:36:19,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:36:19,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:36:19,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769494371] [2024-11-14 05:36:19,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:36:19,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:36:19,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:19,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:36:19,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:36:19,840 INFO L87 Difference]: Start difference. First operand 121 states and 170 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 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 05:36:20,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:20,961 INFO L93 Difference]: Finished difference Result 240 states and 338 transitions. [2024-11-14 05:36:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:36:20,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 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 130 [2024-11-14 05:36:20,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:20,963 INFO L225 Difference]: With dead ends: 240 [2024-11-14 05:36:20,963 INFO L226 Difference]: Without dead ends: 122 [2024-11-14 05:36:20,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:36:20,964 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 132 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:36:20,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 458 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-14 05:36:20,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-14 05:36:20,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-14 05:36:20,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.3428571428571427) internal successors, (141), 105 states have internal predecessors, (141), 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 05:36:20,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 169 transitions. [2024-11-14 05:36:20,974 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 169 transitions. Word has length 130 [2024-11-14 05:36:20,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:20,974 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 169 transitions. [2024-11-14 05:36:20,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 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 05:36:20,975 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2024-11-14 05:36:20,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-14 05:36:20,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:20,977 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:20,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 (7)] Ended with exit code 0 [2024-11-14 05:36:21,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:21,178 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:21,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:21,178 INFO L85 PathProgramCache]: Analyzing trace with hash -820022509, now seen corresponding path program 1 times [2024-11-14 05:36:21,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:21,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793810599] [2024-11-14 05:36:21,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:21,179 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 05:36:21,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:21,180 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:21,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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)] Waiting until timeout for monitored process [2024-11-14 05:36:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:21,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:36:21,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:21,625 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 05:36:21,659 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 05:36:21,659 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:36:21,660 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:21,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [793810599] [2024-11-14 05:36:21,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [793810599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:36:21,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:36:21,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:36:21,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182104289] [2024-11-14 05:36:21,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:36:21,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:36:21,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:21,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:36:21,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:36:21,662 INFO L87 Difference]: Start difference. First operand 121 states and 169 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 05:36:21,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:21,697 INFO L93 Difference]: Finished difference Result 239 states and 335 transitions. [2024-11-14 05:36:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:36:21,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 132 [2024-11-14 05:36:21,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:21,699 INFO L225 Difference]: With dead ends: 239 [2024-11-14 05:36:21,699 INFO L226 Difference]: Without dead ends: 121 [2024-11-14 05:36:21,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:36:21,700 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:36:21,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 310 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:36:21,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-14 05:36:21,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-14 05:36:21,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.3333333333333333) internal successors, (140), 105 states have internal predecessors, (140), 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 05:36:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 168 transitions. [2024-11-14 05:36:21,708 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 168 transitions. Word has length 132 [2024-11-14 05:36:21,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:21,709 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 168 transitions. [2024-11-14 05:36:21,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 05:36:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 168 transitions. [2024-11-14 05:36:21,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-14 05:36:21,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:21,710 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:21,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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)] Ended with exit code 0 [2024-11-14 05:36:21,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:21,911 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:21,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:21,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1480800081, now seen corresponding path program 1 times [2024-11-14 05:36:21,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:21,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1985640238] [2024-11-14 05:36:21,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:21,912 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 05:36:21,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:21,915 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:21,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:22,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 05:36:22,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:24,443 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 20 treesize of output 15 [2024-11-14 05:36:24,812 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 20 treesize of output 15 [2024-11-14 05:36:25,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 15 [2024-11-14 05:36:25,414 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 26 [2024-11-14 05:36:25,566 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 37 treesize of output 28 [2024-11-14 05:36:25,650 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 05:36:25,650 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 77 treesize of output 35 [2024-11-14 05:36:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 189 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-14 05:36:25,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:36:25,790 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_232) |c_~#signed_char_Array_0~0.base|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|))))))) is different from false [2024-11-14 05:36:26,018 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:26,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1985640238] [2024-11-14 05:36:26,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1985640238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:36:26,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [472087877] [2024-11-14 05:36:26,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:26,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:36:26,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:36:26,022 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:36:26,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-14 05:36:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:27,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 05:36:27,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:28,093 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 05:36:28,725 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 30 treesize of output 25 [2024-11-14 05:36:29,169 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 25 treesize of output 18 [2024-11-14 05:36:29,547 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 25 treesize of output 18 [2024-11-14 05:36:30,001 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 165 proven. 111 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-14 05:36:30,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:36:30,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [472087877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:36:30,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296331576] [2024-11-14 05:36:30,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:30,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:36:30,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:36:30,253 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:36:30,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 05:36:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:30,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 05:36:30,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:31,309 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 26 treesize of output 25 [2024-11-14 05:36:31,620 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 30 treesize of output 23 [2024-11-14 05:36:31,826 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 30 treesize of output 23 [2024-11-14 05:36:32,088 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 05:36:32,088 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 32 treesize of output 14 [2024-11-14 05:36:32,163 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 159 proven. 111 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-14 05:36:32,163 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:36:32,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296331576] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:36:32,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:36:32,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 28 [2024-11-14 05:36:32,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601086359] [2024-11-14 05:36:32,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:36:32,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-14 05:36:32,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:32,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-14 05:36:32,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1018, Unknown=20, NotChecked=66, Total=1260 [2024-11-14 05:36:32,324 INFO L87 Difference]: Start difference. First operand 121 states and 168 transitions. Second operand has 29 states, 26 states have (on average 7.230769230769231) internal successors, (188), 27 states have internal predecessors, (188), 13 states have call successors, (42), 11 states have call predecessors, (42), 13 states have return successors, (42), 10 states have call predecessors, (42), 13 states have call successors, (42) [2024-11-14 05:36:40,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:40,402 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2024-11-14 05:36:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-14 05:36:40,403 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 7.230769230769231) internal successors, (188), 27 states have internal predecessors, (188), 13 states have call successors, (42), 11 states have call predecessors, (42), 13 states have return successors, (42), 10 states have call predecessors, (42), 13 states have call successors, (42) Word has length 132 [2024-11-14 05:36:40,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:40,405 INFO L225 Difference]: With dead ends: 357 [2024-11-14 05:36:40,405 INFO L226 Difference]: Without dead ends: 239 [2024-11-14 05:36:40,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 468 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=781, Invalid=3359, Unknown=24, NotChecked=126, Total=4290 [2024-11-14 05:36:40,408 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 587 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 89 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 1919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:36:40,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 935 Invalid, 1919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1828 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2024-11-14 05:36:40,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-14 05:36:40,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 224. [2024-11-14 05:36:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 198 states have (on average 1.3232323232323233) internal successors, (262), 199 states have internal predecessors, (262), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 05:36:40,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 302 transitions. [2024-11-14 05:36:40,439 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 302 transitions. Word has length 132 [2024-11-14 05:36:40,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:40,439 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 302 transitions. [2024-11-14 05:36:40,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 7.230769230769231) internal successors, (188), 27 states have internal predecessors, (188), 13 states have call successors, (42), 11 states have call predecessors, (42), 13 states have return successors, (42), 10 states have call predecessors, (42), 13 states have call successors, (42) [2024-11-14 05:36:40,440 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 302 transitions. [2024-11-14 05:36:40,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-14 05:36:40,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:40,442 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:40,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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)] Ended with exit code 0 [2024-11-14 05:36:40,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 05:36:40,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-14 05:36:41,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 05:36:41,043 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:41,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:41,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2118426728, now seen corresponding path program 1 times [2024-11-14 05:36:41,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:41,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7393081] [2024-11-14 05:36:41,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:41,045 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 05:36:41,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:41,046 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:41,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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)] Waiting until timeout for monitored process [2024-11-14 05:36:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:41,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:36:41,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:41,541 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 05:36:41,542 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:36:41,542 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:41,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7393081] [2024-11-14 05:36:41,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7393081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:36:41,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:36:41,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:36:41,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412179708] [2024-11-14 05:36:41,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:36:41,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:36:41,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:41,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:36:41,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:36:41,545 INFO L87 Difference]: Start difference. First operand 224 states and 302 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (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 05:36:41,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:41,647 INFO L93 Difference]: Finished difference Result 451 states and 609 transitions. [2024-11-14 05:36:41,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:36:41,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (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 136 [2024-11-14 05:36:41,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:41,651 INFO L225 Difference]: With dead ends: 451 [2024-11-14 05:36:41,651 INFO L226 Difference]: Without dead ends: 230 [2024-11-14 05:36:41,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:36:41,653 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:36:41,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 599 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:36:41,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-14 05:36:41,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2024-11-14 05:36:41,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 204 states have (on average 1.3137254901960784) internal successors, (268), 205 states have internal predecessors, (268), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 05:36:41,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 308 transitions. [2024-11-14 05:36:41,679 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 308 transitions. Word has length 136 [2024-11-14 05:36:41,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:41,680 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 308 transitions. [2024-11-14 05:36:41,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (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 05:36:41,681 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 308 transitions. [2024-11-14 05:36:41,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-14 05:36:41,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:41,683 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:41,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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)] Forceful destruction successful, exit code 0 [2024-11-14 05:36:41,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:41,884 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:41,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:41,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1964510193, now seen corresponding path program 1 times [2024-11-14 05:36:41,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:41,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314856765] [2024-11-14 05:36:41,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:41,885 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 05:36:41,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:41,888 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:41,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:42,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 05:36:42,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:42,805 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 05:36:42,805 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 65 treesize of output 32 [2024-11-14 05:36:42,816 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 05:36:42,817 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 94 treesize of output 34 [2024-11-14 05:36:42,869 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 05:36:42,869 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:36:42,869 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:42,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1314856765] [2024-11-14 05:36:42,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1314856765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:36:42,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:36:42,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:36:42,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499733739] [2024-11-14 05:36:42,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:36:42,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:36:42,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:36:42,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:36:42,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:36:42,871 INFO L87 Difference]: Start difference. First operand 230 states and 308 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (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 05:36:44,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:36:44,001 INFO L93 Difference]: Finished difference Result 463 states and 620 transitions. [2024-11-14 05:36:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:36:44,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (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 136 [2024-11-14 05:36:44,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:36:44,007 INFO L225 Difference]: With dead ends: 463 [2024-11-14 05:36:44,007 INFO L226 Difference]: Without dead ends: 236 [2024-11-14 05:36:44,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:36:44,009 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 5 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:36:44,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 447 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-14 05:36:44,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-14 05:36:44,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 233. [2024-11-14 05:36:44,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 207 states have (on average 1.3091787439613527) internal successors, (271), 208 states have internal predecessors, (271), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 05:36:44,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 311 transitions. [2024-11-14 05:36:44,044 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 311 transitions. Word has length 136 [2024-11-14 05:36:44,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:36:44,044 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 311 transitions. [2024-11-14 05:36:44,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (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 05:36:44,045 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 311 transitions. [2024-11-14 05:36:44,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-14 05:36:44,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:36:44,046 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:36:44,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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)] Ended with exit code 0 [2024-11-14 05:36:44,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:44,250 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:36:44,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:36:44,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1902470579, now seen corresponding path program 1 times [2024-11-14 05:36:44,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:36:44,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698123081] [2024-11-14 05:36:44,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:44,251 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 05:36:44,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:36:44,253 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:36:44,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:46:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:46:18,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 05:46:18,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:46:20,164 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 89 treesize of output 68 [2024-11-14 05:46:21,725 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 89 treesize of output 68 [2024-11-14 05:46:22,305 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 05:46:22,306 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 162 treesize of output 54 [2024-11-14 05:46:23,143 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 05:46:23,143 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:46:23,143 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:46:23,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [698123081] [2024-11-14 05:46:23,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [698123081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:46:23,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:46:23,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 05:46:23,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159864865] [2024-11-14 05:46:23,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:46:23,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:46:23,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:46:23,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:46:23,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:46:23,145 INFO L87 Difference]: Start difference. First operand 233 states and 311 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 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 05:46:32,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:38,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:40,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:49,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:51,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:51,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:46:51,712 INFO L93 Difference]: Finished difference Result 507 states and 676 transitions. [2024-11-14 05:46:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:46:51,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 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 136 [2024-11-14 05:46:51,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:46:51,719 INFO L225 Difference]: With dead ends: 507 [2024-11-14 05:46:51,719 INFO L226 Difference]: Without dead ends: 277 [2024-11-14 05:46:51,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:46:51,720 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 182 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:46:51,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 307 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 520 Invalid, 4 Unknown, 0 Unchecked, 25.2s Time] [2024-11-14 05:46:51,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-14 05:46:51,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 235. [2024-11-14 05:46:51,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 209 states have (on average 1.30622009569378) internal successors, (273), 210 states have internal predecessors, (273), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 05:46:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 313 transitions. [2024-11-14 05:46:51,752 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 313 transitions. Word has length 136 [2024-11-14 05:46:51,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:46:51,753 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 313 transitions. [2024-11-14 05:46:51,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 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 05:46:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 313 transitions. [2024-11-14 05:46:51,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-14 05:46:51,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:46:51,755 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:46:51,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:46:51,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:46:51,955 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:46:51,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:46:51,956 INFO L85 PathProgramCache]: Analyzing trace with hash 10463163, now seen corresponding path program 1 times [2024-11-14 05:46:51,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:46:51,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254039768] [2024-11-14 05:46:51,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:46:51,956 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 05:46:51,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:46:51,959 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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 05:46:51,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a4a062-850a-4711-a508-e6b7f3a727a4/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