./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-22.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_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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_20ad5b74-32d7-4db9-9868-b06b2157579e/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 e82610752a88d395729d794c88c73268443026b48dc2e1bfb9e59d87e1051314 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:30:38,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:30:38,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:30:38,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:30:38,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:30:38,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:30:38,870 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:30:38,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:30:38,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:30:38,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:30:38,871 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:30:38,871 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:30:38,871 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:30:38,871 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:30:38,871 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:30:38,872 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:30:38,872 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:30:38,872 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:30:38,872 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:30:38,872 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:30:38,872 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:30:38,872 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:30:38,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:30:38,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:30:38,873 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:30:38,873 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:30:38,873 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:30:38,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:30:38,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:30:38,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:30:38,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:30:38,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:30:38,874 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:30:38,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:30:38,874 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:30:38,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:30:38,875 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:30:38,875 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:30:38,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:30:38,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:30:38,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:30:38,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:30:38,876 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:30:38,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:30:38,876 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:30:38,876 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:30:38,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:30:38,876 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_20ad5b74-32d7-4db9-9868-b06b2157579e/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 -> e82610752a88d395729d794c88c73268443026b48dc2e1bfb9e59d87e1051314 [2024-11-14 03:30:39,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:30:39,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:30:39,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:30:39,186 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:30:39,188 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:30:39,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-22.i Unable to find full path for "g++" [2024-11-14 03:30:41,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:30:41,836 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:30:41,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-22.i [2024-11-14 03:30:41,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/data/d1c4f1e9e/e295a4004b8f48e89babc1adb3839dd3/FLAG8d3a6fe3a [2024-11-14 03:30:41,881 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/data/d1c4f1e9e/e295a4004b8f48e89babc1adb3839dd3 [2024-11-14 03:30:41,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:30:41,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:30:41,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:30:41,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:30:41,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:30:41,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:30:41" (1/1) ... [2024-11-14 03:30:41,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fb33aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:41, skipping insertion in model container [2024-11-14 03:30:41,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:30:41" (1/1) ... [2024-11-14 03:30:41,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:30:42,113 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_20ad5b74-32d7-4db9-9868-b06b2157579e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-22.i[916,929] [2024-11-14 03:30:42,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:30:42,221 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:30:42,232 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_20ad5b74-32d7-4db9-9868-b06b2157579e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-22.i[916,929] [2024-11-14 03:30:42,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:30:42,334 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:30:42,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:42 WrapperNode [2024-11-14 03:30:42,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:30:42,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:30:42,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:30:42,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:30:42,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:42" (1/1) ... [2024-11-14 03:30:42,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:42" (1/1) ... [2024-11-14 03:30:42,410 INFO L138 Inliner]: procedures = 30, calls = 117, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 411 [2024-11-14 03:30:42,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:30:42,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:30:42,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:30:42,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:30:42,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:42" (1/1) ... [2024-11-14 03:30:42,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:42" (1/1) ... [2024-11-14 03:30:42,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:42" (1/1) ... [2024-11-14 03:30:42,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:42" (1/1) ... [2024-11-14 03:30:42,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:42" (1/1) ... [2024-11-14 03:30:42,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:42" (1/1) ... [2024-11-14 03:30:42,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:42" (1/1) ... [2024-11-14 03:30:42,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:42" (1/1) ... [2024-11-14 03:30:42,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:30:42,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:30:42,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:30:42,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:30:42,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:42" (1/1) ... [2024-11-14 03:30:42,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:30:42,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:30:42,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:30:42,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:30:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:30:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-14 03:30:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 03:30:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 03:30:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:30:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 03:30:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:30:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:30:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:30:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:30:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:30:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:30:42,725 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:30:42,727 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:30:43,457 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-14 03:30:43,457 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:30:44,165 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:30:44,166 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:30:44,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:30:44 BoogieIcfgContainer [2024-11-14 03:30:44,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:30:44,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:30:44,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:30:44,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:30:44,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:30:41" (1/3) ... [2024-11-14 03:30:44,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6861128c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:30:44, skipping insertion in model container [2024-11-14 03:30:44,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:42" (2/3) ... [2024-11-14 03:30:44,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6861128c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:30:44, skipping insertion in model container [2024-11-14 03:30:44,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:30:44" (3/3) ... [2024-11-14 03:30:44,179 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-22.i [2024-11-14 03:30:44,198 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:30:44,199 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-22.i that has 2 procedures, 27 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:30:44,258 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:30:44,270 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;@48b38fa9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:30:44,270 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:30:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-14 03:30:44,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-14 03:30:44,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:30:44,282 INFO L215 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 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 03:30:44,283 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:30:44,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:30:44,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1860817657, now seen corresponding path program 1 times [2024-11-14 03:30:44,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:30:44,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090099298] [2024-11-14 03:30:44,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:30:44,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:30:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:30:46,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:30:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:30:46,944 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:30:46,946 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:30:46,948 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:30:46,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:30:46,955 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:30:47,007 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:30:47,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:30:47 BoogieIcfgContainer [2024-11-14 03:30:47,010 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:30:47,011 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:30:47,011 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:30:47,011 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:30:47,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:30:44" (3/4) ... [2024-11-14 03:30:47,015 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:30:47,016 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:30:47,017 INFO L158 Benchmark]: Toolchain (without parser) took 5131.26ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 93.0MB in the beginning and 106.5MB in the end (delta: -13.5MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-11-14 03:30:47,017 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 74.8MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:30:47,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.65ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 77.7MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:30:47,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.67ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 74.3MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:30:47,020 INFO L158 Benchmark]: Boogie Preprocessor took 81.00ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 71.7MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:30:47,020 INFO L158 Benchmark]: RCFGBuilder took 1674.00ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 73.2MB in the end (delta: -1.5MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-11-14 03:30:47,021 INFO L158 Benchmark]: TraceAbstraction took 2841.39ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 72.4MB in the beginning and 106.5MB in the end (delta: -34.1MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. [2024-11-14 03:30:47,022 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 167.8MB. Free memory was 106.5MB in the beginning and 106.5MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:30:47,027 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 74.8MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.65ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 77.7MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.67ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 74.3MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 81.00ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 71.7MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1674.00ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 73.2MB in the end (delta: -1.5MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2841.39ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 72.4MB in the beginning and 106.5MB in the end (delta: -34.1MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 167.8MB. Free memory was 106.5MB in the beginning and 106.5MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of bitwiseAnd at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryArithmeticFLOAToperation at line 77. Possible FailurePath: [L34] unsigned char isInitial = 0; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { -5, 0, 256, 44772, 5.9, 7.6, 64.2, 128.75, 8, 3135928546 }; [L47] signed short int last_1_WrapperStruct00_var_1_1 = -5; [L48] unsigned long int last_1_WrapperStruct00_var_1_11 = 8; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] CALL updateLastVariables() [L98] EXPR WrapperStruct00.var_1_1 [L98] last_1_WrapperStruct00_var_1_1 = WrapperStruct00.var_1_1 [L99] EXPR WrapperStruct00.var_1_11 [L99] last_1_WrapperStruct00_var_1_11 = WrapperStruct00.var_1_11 [L109] RET updateLastVariables() [L110] CALL updateVariables() [L81] WrapperStruct00.var_1_4 = __VERIFIER_nondet_uchar() [L82] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L82] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L83] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L83] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L84] WrapperStruct00.var_1_6 = __VERIFIER_nondet_ushort() [L85] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L86] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L87] WrapperStruct00.var_1_8 = __VERIFIER_nondet_float() [L88] EXPR WrapperStruct00.var_1_8 [L88] EXPR WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L88] EXPR (WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) [L88] EXPR WrapperStruct00.var_1_8 [L88] EXPR WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F [L88] EXPR WrapperStruct00.var_1_8 [L88] EXPR WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F [L88] EXPR (WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L88] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= -115292.1504606845700e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 1152921.504606845700e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L89] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L90] EXPR WrapperStruct00.var_1_9 [L90] EXPR WrapperStruct00.var_1_9 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L90] EXPR (WrapperStruct00.var_1_9 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) [L90] EXPR WrapperStruct00.var_1_9 [L90] EXPR WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F [L90] EXPR WrapperStruct00.var_1_9 [L90] EXPR WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F [L90] EXPR (WrapperStruct00.var_1_9 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L90] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -230584.3009213691390e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L91] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L92] EXPR WrapperStruct00.var_1_10 [L92] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L92] EXPR (WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) [L92] EXPR WrapperStruct00.var_1_10 [L92] EXPR WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F [L92] EXPR WrapperStruct00.var_1_10 [L92] EXPR WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F [L92] EXPR (WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L92] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L93] WrapperStruct00.var_1_12 = __VERIFIER_nondet_ulong() [L94] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L95] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L110] RET updateVariables() [L111] CALL step() [L52] signed long int stepLocal_0 = last_1_WrapperStruct00_var_1_1; [L53] WrapperStruct00.var_1_4 [L53] COND TRUE WrapperStruct00.var_1_4 [L54] WrapperStruct00.var_1_5 = last_1_WrapperStruct00_var_1_1 [L60] EXPR WrapperStruct00.var_1_5 [L60] EXPR WrapperStruct00.var_1_5 [L60] COND TRUE WrapperStruct00.var_1_5 == WrapperStruct00.var_1_5 [L61] EXPR WrapperStruct00.var_1_5 [L61] WrapperStruct00.var_1_1 = (WrapperStruct00.var_1_5 + -16) [L67] EXPR WrapperStruct00.var_1_5 [L67] EXPR WrapperStruct00.var_1_5 & last_1_WrapperStruct00_var_1_11 [L67] COND TRUE last_1_WrapperStruct00_var_1_11 >= (WrapperStruct00.var_1_5 & last_1_WrapperStruct00_var_1_11) [L68] EXPR WrapperStruct00.var_1_6 [L68] EXPR ((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < (WrapperStruct00.var_1_6)) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : (WrapperStruct00.var_1_6) [L68] EXPR WrapperStruct00.var_1_12 [L68] EXPR ((((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < (WrapperStruct00.var_1_6)) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : (WrapperStruct00.var_1_6)))) < ((WrapperStruct00.var_1_12 - last_1_WrapperStruct00_var_1_11))) ? (((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < (WrapperStruct00.var_1_6)) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : (WrapperStruct00.var_1_6)))) : ((WrapperStruct00.var_1_12 - last_1_WrapperStruct00_var_1_11)) [L68] EXPR WrapperStruct00.var_1_6 [L68] EXPR ((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < (WrapperStruct00.var_1_6)) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : (WrapperStruct00.var_1_6) [L68] EXPR ((((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < (WrapperStruct00.var_1_6)) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : (WrapperStruct00.var_1_6)))) < ((WrapperStruct00.var_1_12 - last_1_WrapperStruct00_var_1_11))) ? (((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < (WrapperStruct00.var_1_6)) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : (WrapperStruct00.var_1_6)))) : ((WrapperStruct00.var_1_12 - last_1_WrapperStruct00_var_1_11)) [L68] WrapperStruct00.var_1_11 = ((((((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < (WrapperStruct00.var_1_6)) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : (WrapperStruct00.var_1_6)))) < ((WrapperStruct00.var_1_12 - last_1_WrapperStruct00_var_1_11))) ? (((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < (WrapperStruct00.var_1_6)) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : (WrapperStruct00.var_1_6)))) : ((WrapperStruct00.var_1_12 - last_1_WrapperStruct00_var_1_11)))) [L76] EXPR WrapperStruct00.var_1_1 [L76] EXPR WrapperStruct00.var_1_5 [L76] COND TRUE WrapperStruct00.var_1_1 < WrapperStruct00.var_1_5 [L77] EXPR WrapperStruct00.var_1_8 [L77] EXPR WrapperStruct00.var_1_9 [L77] EXPR WrapperStruct00.var_1_10 [L77] WrapperStruct00.var_1_7 = (((10.25f + WrapperStruct00.var_1_8) + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10) [L111] RET step() [L112] CALL, EXPR property() [L102] EXPR WrapperStruct00.var_1_5 [L102] EXPR WrapperStruct00.var_1_5 [L102] EXPR (WrapperStruct00.var_1_5 == WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_5 + -16))) : (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) : 1) [L102] EXPR WrapperStruct00.var_1_1 [L102] EXPR WrapperStruct00.var_1_5 [L102] EXPR (WrapperStruct00.var_1_5 == WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_5 + -16))) : (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) : 1) [L102] EXPR ((WrapperStruct00.var_1_5 == WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_5 + -16))) : (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) : 1)) && (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_5 == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? (WrapperStruct00.var_1_5 == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > ((WrapperStruct00.var_1_6 - 8))) ? (last_1_WrapperStruct00_var_1_11) : ((WrapperStruct00.var_1_6 - 8)))))) : 1)) [L102] EXPR WrapperStruct00.var_1_4 [L102] EXPR WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_5 == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? (WrapperStruct00.var_1_5 == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > ((WrapperStruct00.var_1_6 - 8))) ? (last_1_WrapperStruct00_var_1_11) : ((WrapperStruct00.var_1_6 - 8)))))) : 1) [L102] EXPR WrapperStruct00.var_1_5 [L102] EXPR WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_5 == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? (WrapperStruct00.var_1_5 == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > ((WrapperStruct00.var_1_6 - 8))) ? (last_1_WrapperStruct00_var_1_11) : ((WrapperStruct00.var_1_6 - 8)))))) : 1) [L102] EXPR ((WrapperStruct00.var_1_5 == WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_5 + -16))) : (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) : 1)) && (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_5 == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? (WrapperStruct00.var_1_5 == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > ((WrapperStruct00.var_1_6 - 8))) ? (last_1_WrapperStruct00_var_1_11) : ((WrapperStruct00.var_1_6 - 8)))))) : 1)) [L102] EXPR (((WrapperStruct00.var_1_5 == WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_5 + -16))) : (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) : 1)) && (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_5 == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? (WrapperStruct00.var_1_5 == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > ((WrapperStruct00.var_1_6 - 8))) ? (last_1_WrapperStruct00_var_1_11) : ((WrapperStruct00.var_1_6 - 8)))))) : 1))) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_7 == ((float) (((10.25f + WrapperStruct00.var_1_8) + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10))) : 1) [L102] EXPR WrapperStruct00.var_1_1 [L102] EXPR WrapperStruct00.var_1_5 [L102] EXPR (WrapperStruct00.var_1_1 < WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_7 == ((float) (((10.25f + WrapperStruct00.var_1_8) + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10))) : 1 [L102] EXPR WrapperStruct00.var_1_7 [L102] EXPR WrapperStruct00.var_1_8 [L102] EXPR WrapperStruct00.var_1_9 [L102] EXPR WrapperStruct00.var_1_10 [L102] EXPR (WrapperStruct00.var_1_1 < WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_7 == ((float) (((10.25f + WrapperStruct00.var_1_8) + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10))) : 1 [L102] EXPR (((WrapperStruct00.var_1_5 == WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_5 + -16))) : (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) : 1)) && (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_5 == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? (WrapperStruct00.var_1_5 == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > ((WrapperStruct00.var_1_6 - 8))) ? (last_1_WrapperStruct00_var_1_11) : ((WrapperStruct00.var_1_6 - 8)))))) : 1))) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_7 == ((float) (((10.25f + WrapperStruct00.var_1_8) + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10))) : 1) [L102] EXPR ((((WrapperStruct00.var_1_5 == WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_5 + -16))) : (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) : 1)) && (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_5 == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? (WrapperStruct00.var_1_5 == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > ((WrapperStruct00.var_1_6 - 8))) ? (last_1_WrapperStruct00_var_1_11) : ((WrapperStruct00.var_1_6 - 8)))))) : 1))) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_7 == ((float) (((10.25f + WrapperStruct00.var_1_8) + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10))) : 1)) && ((last_1_WrapperStruct00_var_1_11 >= (WrapperStruct00.var_1_5 & last_1_WrapperStruct00_var_1_11)) ? (WrapperStruct00.var_1_11 == ((unsigned long int) ((((((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < (WrapperStruct00.var_1_6)) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : (WrapperStruct00.var_1_6)))) < ((WrapperStruct00.var_1_12 - last_1_WrapperStruct00_var_1_11))) ? (((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < (WrapperStruct00.var_1_6)) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : (WrapperStruct00.var_1_6)))) : ((WrapperStruct00.var_1_12 - last_1_WrapperStruct00_var_1_11)))))) : ((5.7 < WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_11 == ((unsigned long int) last_1_WrapperStruct00_var_1_11)) : (WrapperStruct00.var_1_11 == ((unsigned long int) last_1_WrapperStruct00_var_1_11)))) [L102-L103] return ((((WrapperStruct00.var_1_5 == WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_5 + -16))) : (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_1 == ((signed short int) WrapperStruct00.var_1_5)) : 1)) && (WrapperStruct00.var_1_4 ? (WrapperStruct00.var_1_5 == ((unsigned short int) last_1_WrapperStruct00_var_1_1)) : ((last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) ? (WrapperStruct00.var_1_5 == ((unsigned short int) ((((last_1_WrapperStruct00_var_1_11) > ((WrapperStruct00.var_1_6 - 8))) ? (last_1_WrapperStruct00_var_1_11) : ((WrapperStruct00.var_1_6 - 8)))))) : 1))) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_5) ? (WrapperStruct00.var_1_7 == ((float) (((10.25f + WrapperStruct00.var_1_8) + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10))) : 1)) && ((last_1_WrapperStruct00_var_1_11 >= (WrapperStruct00.var_1_5 & last_1_WrapperStruct00_var_1_11)) ? (WrapperStruct00.var_1_11 == ((unsigned long int) ((((((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < (WrapperStruct00.var_1_6)) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : (WrapperStruct00.var_1_6)))) < ((WrapperStruct00.var_1_12 - last_1_WrapperStruct00_var_1_11))) ? (((((((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) < (WrapperStruct00.var_1_6)) ? (((((50u) < (last_1_WrapperStruct00_var_1_11)) ? (50u) : (last_1_WrapperStruct00_var_1_11)))) : (WrapperStruct00.var_1_6)))) : ((WrapperStruct00.var_1_12 - last_1_WrapperStruct00_var_1_11)))))) : ((5.7 < WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_11 == ((unsigned long int) last_1_WrapperStruct00_var_1_11)) : (WrapperStruct00.var_1_11 == ((unsigned long int) last_1_WrapperStruct00_var_1_11)))) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_11=8, last_1_WrapperStruct00_var_1_1=-5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 1, TraceHistogramMax: 9, 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=27occurred 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, 1.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 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 03:30:47,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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_20ad5b74-32d7-4db9-9868-b06b2157579e/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 e82610752a88d395729d794c88c73268443026b48dc2e1bfb9e59d87e1051314 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:30:49,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:30:50,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:30:50,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:30:50,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:30:50,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:30:50,049 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:30:50,049 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:30:50,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:30:50,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:30:50,050 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:30:50,050 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:30:50,050 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:30:50,050 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:30:50,051 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:30:50,051 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:30:50,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:30:50,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:30:50,052 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:30:50,052 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:30:50,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:30:50,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:30:50,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:30:50,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:30:50,053 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:30:50,053 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:30:50,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:30:50,053 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:30:50,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:30:50,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:30:50,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:30:50,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:30:50,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:30:50,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:30:50,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:30:50,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:30:50,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:30:50,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:30:50,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:30:50,055 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:30:50,055 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:30:50,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:30:50,055 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:30:50,055 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_20ad5b74-32d7-4db9-9868-b06b2157579e/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 -> e82610752a88d395729d794c88c73268443026b48dc2e1bfb9e59d87e1051314 [2024-11-14 03:30:50,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:30:50,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:30:50,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:30:50,400 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:30:50,400 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:30:50,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-22.i Unable to find full path for "g++" [2024-11-14 03:30:52,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:30:52,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:30:52,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-22.i [2024-11-14 03:30:52,780 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/data/44d9c6144/08d48ecce8844661865999456837be35/FLAGc562f017b [2024-11-14 03:30:52,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/data/44d9c6144/08d48ecce8844661865999456837be35 [2024-11-14 03:30:52,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:30:52,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:30:52,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:30:52,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:30:52,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:30:52,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:30:52" (1/1) ... [2024-11-14 03:30:52,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1d279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:52, skipping insertion in model container [2024-11-14 03:30:52,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:30:52" (1/1) ... [2024-11-14 03:30:52,856 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:30:53,046 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_20ad5b74-32d7-4db9-9868-b06b2157579e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-22.i[916,929] [2024-11-14 03:30:53,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:30:53,183 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:30:53,196 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_20ad5b74-32d7-4db9-9868-b06b2157579e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-22.i[916,929] [2024-11-14 03:30:53,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:30:53,309 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:30:53,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:53 WrapperNode [2024-11-14 03:30:53,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:30:53,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:30:53,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:30:53,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:30:53,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:53" (1/1) ... [2024-11-14 03:30:53,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:53" (1/1) ... [2024-11-14 03:30:53,400 INFO L138 Inliner]: procedures = 37, calls = 117, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 392 [2024-11-14 03:30:53,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:30:53,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:30:53,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:30:53,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:30:53,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:53" (1/1) ... [2024-11-14 03:30:53,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:53" (1/1) ... [2024-11-14 03:30:53,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:53" (1/1) ... [2024-11-14 03:30:53,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:53" (1/1) ... [2024-11-14 03:30:53,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:53" (1/1) ... [2024-11-14 03:30:53,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:53" (1/1) ... [2024-11-14 03:30:53,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:53" (1/1) ... [2024-11-14 03:30:53,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:53" (1/1) ... [2024-11-14 03:30:53,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:30:53,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:30:53,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:30:53,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:30:53,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:53" (1/1) ... [2024-11-14 03:30:53,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:30:53,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:30:53,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:30:53,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:30:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:30:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 03:30:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:30:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 03:30:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 03:30:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-14 03:30:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-14 03:30:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 03:30:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-11-14 03:30:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-14 03:30:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:30:53,573 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:30:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-14 03:30:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:30:53,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:30:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 03:30:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-14 03:30:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 03:30:53,723 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:30:53,725 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:30:56,758 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-11-14 03:30:56,758 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:30:56,775 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:30:56,776 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:30:56,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:30:56 BoogieIcfgContainer [2024-11-14 03:30:56,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:30:56,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:30:56,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:30:56,788 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:30:56,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:30:52" (1/3) ... [2024-11-14 03:30:56,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d45740e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:30:56, skipping insertion in model container [2024-11-14 03:30:56,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:53" (2/3) ... [2024-11-14 03:30:56,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d45740e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:30:56, skipping insertion in model container [2024-11-14 03:30:56,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:30:56" (3/3) ... [2024-11-14 03:30:56,793 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-22.i [2024-11-14 03:30:56,816 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:30:56,817 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-22.i that has 2 procedures, 99 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:30:56,893 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:30:56,914 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;@2678fe86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:30:56,914 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:30:56,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-14 03:30:56,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-14 03:30:56,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:30:56,937 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:30:56,938 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:30:56,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:30:56,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1625780518, now seen corresponding path program 1 times [2024-11-14 03:30:56,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:30:56,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280964182] [2024-11-14 03:30:56,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:30:56,964 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 03:30:56,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:30:56,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:30:56,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:30:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:30:57,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:30:57,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:30:57,591 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-14 03:30:57,592 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:30:57,592 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:30:57,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1280964182] [2024-11-14 03:30:57,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1280964182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:30:57,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:30:57,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:30:57,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357914648] [2024-11-14 03:30:57,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:30:57,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:30:57,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:30:57,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:30:57,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:30:57,635 INFO L87 Difference]: Start difference. First operand has 99 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-14 03:30:57,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:30:57,677 INFO L93 Difference]: Finished difference Result 188 states and 286 transitions. [2024-11-14 03:30:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:30:57,680 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2024-11-14 03:30:57,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:30:57,690 INFO L225 Difference]: With dead ends: 188 [2024-11-14 03:30:57,690 INFO L226 Difference]: Without dead ends: 92 [2024-11-14 03:30:57,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 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 03:30:57,698 INFO L432 NwaCegarLoop]: 129 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, 129 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 03:30:57,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:30:57,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-14 03:30:57,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-14 03:30:57,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-14 03:30:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2024-11-14 03:30:57,745 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 89 [2024-11-14 03:30:57,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:30:57,746 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2024-11-14 03:30:57,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-14 03:30:57,747 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2024-11-14 03:30:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-14 03:30:57,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:30:57,750 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:30:57,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 03:30:57,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:30:57,951 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:30:57,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:30:57,952 INFO L85 PathProgramCache]: Analyzing trace with hash -2071485527, now seen corresponding path program 1 times [2024-11-14 03:30:57,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:30:57,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480243080] [2024-11-14 03:30:57,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:30:57,953 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 03:30:57,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:30:57,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:30:57,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:30:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:30:58,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-14 03:30:58,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:30:58,686 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 59 treesize of output 58 [2024-11-14 03:30:58,910 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 103 treesize of output 87 [2024-11-14 03:30:59,301 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 16 treesize of output 12 [2024-11-14 03:30:59,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-11-14 03:30:59,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:30:59,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2024-11-14 03:30:59,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:30:59,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2024-11-14 03:30:59,762 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:30:59,762 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 84 treesize of output 48 [2024-11-14 03:30:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-14 03:30:59,881 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:30:59,881 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:30:59,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480243080] [2024-11-14 03:30:59,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480243080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:30:59,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:30:59,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 03:30:59,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716053931] [2024-11-14 03:30:59,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:30:59,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 03:30:59,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:30:59,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 03:30:59,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:30:59,887 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 03:31:10,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:31:10,190 INFO L93 Difference]: Finished difference Result 542 states and 761 transitions. [2024-11-14 03:31:10,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 03:31:10,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-14 03:31:10,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:31:10,195 INFO L225 Difference]: With dead ends: 542 [2024-11-14 03:31:10,196 INFO L226 Difference]: Without dead ends: 453 [2024-11-14 03:31:10,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-14 03:31:10,198 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 510 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:31:10,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 1041 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2024-11-14 03:31:10,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-14 03:31:10,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 305. [2024-11-14 03:31:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 264 states have (on average 1.371212121212121) internal successors, (362), 264 states have internal predecessors, (362), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-14 03:31:10,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 434 transitions. [2024-11-14 03:31:10,255 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 434 transitions. Word has length 92 [2024-11-14 03:31:10,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:31:10,256 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 434 transitions. [2024-11-14 03:31:10,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 03:31:10,256 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 434 transitions. [2024-11-14 03:31:10,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-14 03:31:10,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:31:10,260 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:31:10,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-14 03:31:10,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:10,461 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:31:10,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:31:10,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1613667496, now seen corresponding path program 1 times [2024-11-14 03:31:10,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:31:10,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422330622] [2024-11-14 03:31:10,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:31:10,462 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 03:31:10,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:31:10,464 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:10,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:31:10,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:31:10,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:31:10,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-14 03:31:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-14 03:31:11,016 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:31:11,016 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:31:11,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422330622] [2024-11-14 03:31:11,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422330622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:31:11,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:31:11,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:31:11,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089573603] [2024-11-14 03:31:11,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:31:11,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:31:11,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:31:11,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:31:11,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:31:11,019 INFO L87 Difference]: Start difference. First operand 305 states and 434 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 03:31:11,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:31:11,060 INFO L93 Difference]: Finished difference Result 481 states and 683 transitions. [2024-11-14 03:31:11,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:31:11,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 93 [2024-11-14 03:31:11,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:31:11,063 INFO L225 Difference]: With dead ends: 481 [2024-11-14 03:31:11,063 INFO L226 Difference]: Without dead ends: 220 [2024-11-14 03:31:11,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 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 03:31:11,069 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:31:11,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 247 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:31:11,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-14 03:31:11,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 218. [2024-11-14 03:31:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 187 states have (on average 1.3475935828877006) internal successors, (252), 187 states have internal predecessors, (252), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-14 03:31:11,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 306 transitions. [2024-11-14 03:31:11,116 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 306 transitions. Word has length 93 [2024-11-14 03:31:11,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:31:11,119 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 306 transitions. [2024-11-14 03:31:11,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 03:31:11,120 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 306 transitions. [2024-11-14 03:31:11,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-14 03:31:11,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:31:11,124 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:31:11,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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)] Forceful destruction successful, exit code 0 [2024-11-14 03:31:11,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:11,325 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:31:11,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:31:11,326 INFO L85 PathProgramCache]: Analyzing trace with hash 601349620, now seen corresponding path program 1 times [2024-11-14 03:31:11,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:31:11,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889953624] [2024-11-14 03:31:11,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:31:11,327 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 03:31:11,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:31:11,330 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:11,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:31:11,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 03:31:11,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:31:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-14 03:31:11,810 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:31:11,810 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:31:11,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889953624] [2024-11-14 03:31:11,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889953624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:31:11,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:31:11,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:31:11,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902291140] [2024-11-14 03:31:11,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:31:11,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:31:11,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:31:11,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:31:11,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:31:11,815 INFO L87 Difference]: Start difference. First operand 218 states and 306 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 03:31:12,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:31:12,003 INFO L93 Difference]: Finished difference Result 405 states and 567 transitions. [2024-11-14 03:31:12,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:31:12,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 93 [2024-11-14 03:31:12,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:31:12,009 INFO L225 Difference]: With dead ends: 405 [2024-11-14 03:31:12,009 INFO L226 Difference]: Without dead ends: 231 [2024-11-14 03:31:12,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 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 03:31:12,012 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 17 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:31:12,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 239 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:31:12,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-14 03:31:12,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 148. [2024-11-14 03:31:12,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 127 states have (on average 1.330708661417323) internal successors, (169), 127 states have internal predecessors, (169), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 03:31:12,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 205 transitions. [2024-11-14 03:31:12,038 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 205 transitions. Word has length 93 [2024-11-14 03:31:12,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:31:12,038 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 205 transitions. [2024-11-14 03:31:12,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 03:31:12,039 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 205 transitions. [2024-11-14 03:31:12,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-14 03:31:12,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:31:12,044 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:31:12,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:12,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:12,245 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:31:12,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:31:12,245 INFO L85 PathProgramCache]: Analyzing trace with hash 974019140, now seen corresponding path program 1 times [2024-11-14 03:31:12,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:31:12,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446357068] [2024-11-14 03:31:12,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:31:12,246 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 03:31:12,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:31:12,248 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:12,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:31:12,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-14 03:31:12,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:31:12,723 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 56 treesize of output 55 [2024-11-14 03:31:12,886 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 112 treesize of output 92 [2024-11-14 03:31:13,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-14 03:31:13,306 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 14 [2024-11-14 03:31:13,389 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 30 treesize of output 14 [2024-11-14 03:31:13,432 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 30 treesize of output 14 [2024-11-14 03:31:13,517 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 51 treesize of output 33 [2024-11-14 03:31:13,650 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-14 03:31:13,650 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:31:13,650 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:31:13,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1446357068] [2024-11-14 03:31:13,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1446357068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:31:13,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:31:13,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 03:31:13,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727955843] [2024-11-14 03:31:13,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:31:13,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 03:31:13,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:31:13,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 03:31:13,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:31:13,658 INFO L87 Difference]: Start difference. First operand 148 states and 205 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 03:31:18,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:31:19,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:31:20,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:31:20,472 INFO L93 Difference]: Finished difference Result 318 states and 436 transitions. [2024-11-14 03:31:20,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:31:20,472 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2024-11-14 03:31:20,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:31:20,475 INFO L225 Difference]: With dead ends: 318 [2024-11-14 03:31:20,475 INFO L226 Difference]: Without dead ends: 230 [2024-11-14 03:31:20,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-14 03:31:20,476 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 215 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:31:20,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 504 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-11-14 03:31:20,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-14 03:31:20,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 156. [2024-11-14 03:31:20,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 135 states have (on average 1.3333333333333333) internal successors, (180), 135 states have internal predecessors, (180), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 03:31:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 216 transitions. [2024-11-14 03:31:20,496 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 216 transitions. Word has length 94 [2024-11-14 03:31:20,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:31:20,497 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 216 transitions. [2024-11-14 03:31:20,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 03:31:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 216 transitions. [2024-11-14 03:31:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-14 03:31:20,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:31:20,499 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:31:20,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-14 03:31:20,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:20,699 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:31:20,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:31:20,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1866678415, now seen corresponding path program 1 times [2024-11-14 03:31:20,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:31:20,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227719720] [2024-11-14 03:31:20,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:31:20,701 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 03:31:20,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:31:20,703 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:20,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:31:21,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:31:21,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:31:21,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-14 03:31:21,201 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-14 03:31:21,201 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:31:21,202 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:31:21,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227719720] [2024-11-14 03:31:21,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227719720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:31:21,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:31:21,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:31:21,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428851690] [2024-11-14 03:31:21,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:31:21,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:31:21,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:31:21,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:31:21,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:31:21,205 INFO L87 Difference]: Start difference. First operand 156 states and 216 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 03:31:21,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:31:21,246 INFO L93 Difference]: Finished difference Result 246 states and 340 transitions. [2024-11-14 03:31:21,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:31:21,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2024-11-14 03:31:21,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:31:21,250 INFO L225 Difference]: With dead ends: 246 [2024-11-14 03:31:21,250 INFO L226 Difference]: Without dead ends: 150 [2024-11-14 03:31:21,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 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 03:31:21,252 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:31:21,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 237 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:31:21,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-14 03:31:21,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-14 03:31:21,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 129 states have (on average 1.310077519379845) internal successors, (169), 129 states have internal predecessors, (169), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 03:31:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 205 transitions. [2024-11-14 03:31:21,271 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 205 transitions. Word has length 94 [2024-11-14 03:31:21,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:31:21,271 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 205 transitions. [2024-11-14 03:31:21,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 03:31:21,272 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 205 transitions. [2024-11-14 03:31:21,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-14 03:31:21,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:31:21,273 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:31:21,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:21,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:21,474 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:31:21,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:31:21,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1479985167, now seen corresponding path program 1 times [2024-11-14 03:31:21,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:31:21,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884832203] [2024-11-14 03:31:21,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:31:21,475 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 03:31:21,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:31:21,479 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:21,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:31:21,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-14 03:31:21,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:31:21,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2024-11-14 03:31:22,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:31:22,061 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 21 treesize of output 9 [2024-11-14 03:31:22,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-14 03:31:22,413 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 31 treesize of output 15 [2024-11-14 03:31:22,531 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 31 treesize of output 15 [2024-11-14 03:31:22,652 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 31 treesize of output 15 [2024-11-14 03:31:22,777 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 31 treesize of output 15 [2024-11-14 03:31:22,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-14 03:31:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 60 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-14 03:31:22,995 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:31:23,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-14 03:31:23,647 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:31:23,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884832203] [2024-11-14 03:31:23,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884832203] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:31:23,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1341376318] [2024-11-14 03:31:23,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:31:23,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:31:23,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:31:23,652 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:31:23,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-14 03:31:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:31:25,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 03:31:25,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:31:25,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2024-11-14 03:31:25,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:31:25,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 9 [2024-11-14 03:31:25,509 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 03:31:26,140 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 33 treesize of output 17 [2024-11-14 03:31:26,393 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 33 treesize of output 17 [2024-11-14 03:31:26,587 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 33 treesize of output 17 [2024-11-14 03:31:26,796 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 33 treesize of output 17 [2024-11-14 03:31:27,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-14 03:31:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 62 proven. 18 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-14 03:31:27,209 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:31:27,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1341376318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:31:27,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279868532] [2024-11-14 03:31:27,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:31:27,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:31:27,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:31:27,609 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:31:27,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 03:31:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:31:27,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 03:31:27,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:31:27,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2024-11-14 03:31:27,977 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 9 treesize of output 3 [2024-11-14 03:31:28,130 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 31 treesize of output 15 [2024-11-14 03:31:28,227 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 31 treesize of output 15 [2024-11-14 03:31:28,334 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 31 treesize of output 15 [2024-11-14 03:31:28,428 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 31 treesize of output 15 [2024-11-14 03:31:28,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-14 03:31:28,629 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 60 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-14 03:31:28,629 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:31:28,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-14 03:31:29,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279868532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:31:29,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:31:29,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 16 [2024-11-14 03:31:29,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964099406] [2024-11-14 03:31:29,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:31:29,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-14 03:31:29,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:31:29,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-14 03:31:29,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-11-14 03:31:29,049 INFO L87 Difference]: Start difference. First operand 150 states and 205 transitions. Second operand has 17 states, 15 states have (on average 6.533333333333333) internal successors, (98), 15 states have internal predecessors, (98), 6 states have call successors, (18), 5 states have call predecessors, (18), 6 states have return successors, (18), 4 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-14 03:31:39,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:31:39,972 INFO L93 Difference]: Finished difference Result 292 states and 391 transitions. [2024-11-14 03:31:39,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 03:31:39,973 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 6.533333333333333) internal successors, (98), 15 states have internal predecessors, (98), 6 states have call successors, (18), 5 states have call predecessors, (18), 6 states have return successors, (18), 4 states have call predecessors, (18), 6 states have call successors, (18) Word has length 95 [2024-11-14 03:31:39,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:31:39,974 INFO L225 Difference]: With dead ends: 292 [2024-11-14 03:31:39,975 INFO L226 Difference]: Without dead ends: 206 [2024-11-14 03:31:39,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 495 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=323, Invalid=937, Unknown=0, NotChecked=0, Total=1260 [2024-11-14 03:31:39,977 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 200 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:31:39,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 557 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2024-11-14 03:31:39,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-14 03:31:39,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 160. [2024-11-14 03:31:39,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 137 states have (on average 1.2919708029197081) internal successors, (177), 137 states have internal predecessors, (177), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 03:31:40,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 213 transitions. [2024-11-14 03:31:40,000 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 213 transitions. Word has length 95 [2024-11-14 03:31:40,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:31:40,001 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 213 transitions. [2024-11-14 03:31:40,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 6.533333333333333) internal successors, (98), 15 states have internal predecessors, (98), 6 states have call successors, (18), 5 states have call predecessors, (18), 6 states have return successors, (18), 4 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-14 03:31:40,001 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 213 transitions. [2024-11-14 03:31:40,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-14 03:31:40,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:31:40,003 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:31:40,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-14 03:31:40,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-14 03:31:40,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:40,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:40,604 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:31:40,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:31:40,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1345971661, now seen corresponding path program 1 times [2024-11-14 03:31:40,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:31:40,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229578277] [2024-11-14 03:31:40,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:31:40,605 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 03:31:40,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:31:40,607 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:40,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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)] Waiting until timeout for monitored process [2024-11-14 03:31:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:31:41,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-14 03:31:41,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:31:41,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-14 03:31:41,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2024-11-14 03:31:41,314 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:31:41,314 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 39 treesize of output 26 [2024-11-14 03:31:41,340 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:31:41,340 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 39 treesize of output 26 [2024-11-14 03:31:41,371 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:31:41,371 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 72 treesize of output 42 [2024-11-14 03:31:41,412 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-14 03:31:41,412 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:31:41,413 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:31:41,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229578277] [2024-11-14 03:31:41,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229578277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:31:41,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:31:41,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:31:41,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814396028] [2024-11-14 03:31:41,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:31:41,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:31:41,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:31:41,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:31:41,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:31:41,415 INFO L87 Difference]: Start difference. First operand 160 states and 213 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 03:31:43,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:31:43,592 INFO L93 Difference]: Finished difference Result 247 states and 332 transitions. [2024-11-14 03:31:43,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:31:43,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 95 [2024-11-14 03:31:43,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:31:43,594 INFO L225 Difference]: With dead ends: 247 [2024-11-14 03:31:43,594 INFO L226 Difference]: Without dead ends: 161 [2024-11-14 03:31:43,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-14 03:31:43,595 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 98 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:31:43,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 430 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-14 03:31:43,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-14 03:31:43,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 160. [2024-11-14 03:31:43,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 137 states have (on average 1.2846715328467153) internal successors, (176), 137 states have internal predecessors, (176), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 03:31:43,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 212 transitions. [2024-11-14 03:31:43,616 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 212 transitions. Word has length 95 [2024-11-14 03:31:43,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:31:43,617 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 212 transitions. [2024-11-14 03:31:43,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 03:31:43,617 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 212 transitions. [2024-11-14 03:31:43,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-14 03:31:43,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:31:43,618 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:31:43,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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)] Forceful destruction successful, exit code 0 [2024-11-14 03:31:43,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:43,819 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:31:43,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:31:43,819 INFO L85 PathProgramCache]: Analyzing trace with hash 452410847, now seen corresponding path program 1 times [2024-11-14 03:31:43,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:31:43,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402987907] [2024-11-14 03:31:43,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:31:43,820 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 03:31:43,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:31:43,822 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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 03:31:43,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad5b74-32d7-4db9-9868-b06b2157579e/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