./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-40.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_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/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_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/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_67941966-7d22-4cd4-9624-fb0582462cfc/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 a5a79563eebf4c0adb85c657f2e56816668e0af593ca846b35361e1efa1ac928 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:12:48,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:12:48,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:12:48,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:12:48,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:12:48,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:12:48,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:12:48,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:12:48,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:12:48,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:12:48,639 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:12:48,639 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:12:48,640 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:12:48,640 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:12:48,640 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:12:48,640 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:12:48,640 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:12:48,640 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:12:48,640 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:12:48,640 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:12:48,640 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:12:48,641 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:12:48,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:12:48,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:12:48,643 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:12:48,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:12:48,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:12:48,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:12:48,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:12:48,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:12:48,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:12:48,643 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:12:48,644 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:12:48,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:12:48,644 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:12:48,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:12:48,644 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:12:48,644 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:12:48,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:12:48,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:12:48,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:12:48,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:12:48,645 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:12:48,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:12:48,645 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:12:48,645 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:12:48,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:12:48,645 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_67941966-7d22-4cd4-9624-fb0582462cfc/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 -> a5a79563eebf4c0adb85c657f2e56816668e0af593ca846b35361e1efa1ac928 [2024-11-14 04:12:48,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:12:49,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:12:49,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:12:49,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:12:49,014 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:12:49,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i Unable to find full path for "g++" [2024-11-14 04:12:50,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:12:51,166 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:12:51,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i [2024-11-14 04:12:51,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/data/9cf0cd02e/613c067046ca4e00b5aab7a8f2a1f7f6/FLAG8e885acf6 [2024-11-14 04:12:51,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/data/9cf0cd02e/613c067046ca4e00b5aab7a8f2a1f7f6 [2024-11-14 04:12:51,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:12:51,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:12:51,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:12:51,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:12:51,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:12:51,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:12:51" (1/1) ... [2024-11-14 04:12:51,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ebb1b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51, skipping insertion in model container [2024-11-14 04:12:51,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:12:51" (1/1) ... [2024-11-14 04:12:51,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:12:51,572 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_67941966-7d22-4cd4-9624-fb0582462cfc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i[919,932] [2024-11-14 04:12:51,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:12:51,670 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:12:51,679 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_67941966-7d22-4cd4-9624-fb0582462cfc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i[919,932] [2024-11-14 04:12:51,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:12:51,729 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:12:51,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51 WrapperNode [2024-11-14 04:12:51,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:12:51,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:12:51,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:12:51,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:12:51,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51" (1/1) ... [2024-11-14 04:12:51,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51" (1/1) ... [2024-11-14 04:12:51,802 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2024-11-14 04:12:51,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:12:51,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:12:51,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:12:51,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:12:51,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51" (1/1) ... [2024-11-14 04:12:51,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51" (1/1) ... [2024-11-14 04:12:51,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51" (1/1) ... [2024-11-14 04:12:51,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51" (1/1) ... [2024-11-14 04:12:51,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51" (1/1) ... [2024-11-14 04:12:51,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51" (1/1) ... [2024-11-14 04:12:51,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51" (1/1) ... [2024-11-14 04:12:51,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51" (1/1) ... [2024-11-14 04:12:51,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:12:51,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:12:51,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:12:51,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:12:51,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51" (1/1) ... [2024-11-14 04:12:51,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:12:51,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:12:51,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:12:51,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:12:51,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:12:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:12:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:12:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:12:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:12:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:12:52,064 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:12:52,066 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:12:52,635 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 04:12:52,635 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:12:53,057 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:12:53,057 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:12:53,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:12:53 BoogieIcfgContainer [2024-11-14 04:12:53,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:12:53,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:12:53,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:12:53,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:12:53,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:12:51" (1/3) ... [2024-11-14 04:12:53,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6b3b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:12:53, skipping insertion in model container [2024-11-14 04:12:53,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:12:51" (2/3) ... [2024-11-14 04:12:53,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6b3b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:12:53, skipping insertion in model container [2024-11-14 04:12:53,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:12:53" (3/3) ... [2024-11-14 04:12:53,071 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i [2024-11-14 04:12:53,095 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:12:53,098 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:12:53,163 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:12:53,179 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;@2d367b53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:12:53,180 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:12:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:12:53,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-14 04:12:53,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:12:53,198 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:12:53,199 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:12:53,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:12:53,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1915227857, now seen corresponding path program 1 times [2024-11-14 04:12:53,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:12:53,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510157198] [2024-11-14 04:12:53,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:12:53,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:12:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:12:53,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [630057952] [2024-11-14 04:12:53,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:12:53,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:12:53,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:12:53,688 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:12:53,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:12:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:12:54,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:12:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:12:54,330 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:12:54,332 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:12:54,333 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:12:54,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 04:12:54,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:12:54,539 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:12:54,668 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:12:54,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:12:54 BoogieIcfgContainer [2024-11-14 04:12:54,675 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:12:54,676 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:12:54,676 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:12:54,676 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:12:54,680 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:12:53" (3/4) ... [2024-11-14 04:12:54,682 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:12:54,683 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:12:54,684 INFO L158 Benchmark]: Toolchain (without parser) took 3278.48ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 42.8MB in the end (delta: 50.5MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2024-11-14 04:12:54,685 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:12:54,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.65ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 77.8MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:12:54,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.18ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 73.5MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:12:54,686 INFO L158 Benchmark]: Boogie Preprocessor took 68.00ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:12:54,686 INFO L158 Benchmark]: RCFGBuilder took 1186.39ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 61.3MB in the end (delta: 10.0MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-14 04:12:54,686 INFO L158 Benchmark]: TraceAbstraction took 1614.18ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 42.8MB in the end (delta: 17.9MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-14 04:12:54,687 INFO L158 Benchmark]: Witness Printer took 7.31ms. Allocated memory is still 117.4MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:12:54,689 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.65ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 77.8MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.18ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 73.5MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.00ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1186.39ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 61.3MB in the end (delta: 10.0MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1614.18ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 42.8MB in the end (delta: 17.9MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 7.31ms. Allocated memory is still 117.4MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 11.7kB). 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 61, overapproximation of someBinaryFLOATComparisonOperation at line 147, overapproximation of someBinaryFLOATComparisonOperation at line 160, overapproximation of someBinaryFLOATComparisonOperation at line 161, overapproximation of bitwiseOr at line 84, overapproximation of someUnaryDOUBLEoperation at line 35, overapproximation of someUnaryDOUBLEoperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 158, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 163. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] signed short int var_1_4 = -200; [L24] unsigned short int var_1_8 = 5; [L25] unsigned char var_1_9 = 1; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 16; [L29] unsigned char var_1_15 = 50; [L30] unsigned short int var_1_16 = 1; [L31] float var_1_17 = 25.4; [L32] float var_1_20 = 1.6; [L33] unsigned short int var_1_21 = 0; [L34] float var_1_24 = 128.5; [L35] double var_1_25 = -0.5; [L36] signed long int var_1_26 = 4; [L37] signed char var_1_27 = 2; [L38] signed char var_1_28 = -16; [L39] signed char var_1_29 = 0; [L40] unsigned char var_1_30 = 0; [L41] unsigned char var_1_33 = 8; [L42] unsigned long int var_1_34 = 50; [L43] double var_1_35 = 31.1; [L44] double var_1_36 = 127.4; [L45] unsigned long int var_1_37 = 64; [L46] signed long int var_1_38 = 8; [L47] float var_1_39 = 200.6; [L48] unsigned short int var_1_40 = 2; [L49] signed char var_1_42 = -4; [L50] double var_1_43 = 2.75; [L51] double var_1_44 = 7.6; [L52] signed char var_1_45 = 32; [L53] unsigned long int var_1_46 = 32; [L54] signed long int var_1_47 = -256; [L55] unsigned char last_1_var_1_9 = 1; [L56] float last_1_var_1_24 = 128.5; [L174] isInitial = 1 [L175] FCALL initially() [L176] COND TRUE 1 [L177] CALL updateLastVariables() [L166] last_1_var_1_9 = var_1_9 [L167] last_1_var_1_24 = var_1_24 [L177] RET updateLastVariables() [L178] CALL updateVariables() [L130] var_1_4 = __VERIFIER_nondet_short() [L131] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=5, var_1_9=1] [L132] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=5, var_1_9=1] [L133] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=5, var_1_9=1] [L134] var_1_8 = __VERIFIER_nondet_ushort() [L135] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_9=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_9=1] [L136] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L137] var_1_10 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L139] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L140] var_1_11 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L142] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L143] var_1_15 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L145] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L146] var_1_20 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L148] var_1_28 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_28 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_28 >= -126) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L150] CALL assume_abort_if_not(var_1_28 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_28 <= 126) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=0, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L151] var_1_29 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L153] CALL assume_abort_if_not(var_1_29 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_29 <= 126) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=8, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L154] var_1_33 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L156] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=257, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=257, var_1_34=50, var_1_35=311/10, var_1_36=637/5, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L157] var_1_36 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_36 >= -922337.2036854765600e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=257, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_36 >= -922337.2036854765600e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=257, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_39=1003/5, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L159] var_1_39 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_39 >= -922337.2036854776000e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=257, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_39 >= -922337.2036854776000e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854776000e+12F && var_1_39 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=257, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L161] CALL assume_abort_if_not(var_1_39 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=257, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_39 != 0.0F) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=257, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_44=38/5, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L162] var_1_44 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_44 >= -922337.2036854765600e+13F && var_1_44 <= -1.0e-20F) || (var_1_44 <= 9223372.036854765600e+12F && var_1_44 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=257, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_44 >= -922337.2036854765600e+13F && var_1_44 <= -1.0e-20F) || (var_1_44 <= 9223372.036854765600e+12F && var_1_44 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=16, var_1_15=-252, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=257, var_1_34=50, var_1_35=311/10, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=-4, var_1_43=11/4, var_1_45=32, var_1_46=32, var_1_47=-256, var_1_4=3, var_1_8=0, var_1_9=1] [L178] RET updateVariables() [L179] CALL step() [L60] COND FALSE !((last_1_var_1_9 && var_1_11) && (50 > var_1_8)) [L67] var_1_12 = var_1_15 [L69] COND TRUE var_1_9 || var_1_9 [L70] var_1_42 = 1 [L72] unsigned char stepLocal_1 = var_1_10; [L73] COND TRUE (var_1_12 != var_1_4) || stepLocal_1 [L74] var_1_9 = var_1_11 [L76] COND FALSE !(var_1_9 && var_1_9) [L79] var_1_35 = var_1_36 [L80] var_1_26 = var_1_12 [L81] COND FALSE !((var_1_9 && var_1_9) && (var_1_26 > var_1_21)) [L84] EXPR var_1_21 | var_1_26 [L84] COND TRUE var_1_28 > (var_1_21 | var_1_26) [L85] var_1_43 = ((((var_1_36) > ((((((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44))) < 0 ) ? -((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44))) : ((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44))))))) ? (var_1_36) : ((((((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44))) < 0 ) ? -((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44))) : ((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44)))))))) [L87] COND FALSE !((var_1_9 && var_1_11) && var_1_9) [L90] var_1_21 = ((23370 - var_1_15) + var_1_12) [L92] var_1_27 = (((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) - var_1_29) [L93] COND TRUE (((((var_1_36 / var_1_39)) > (var_1_24)) ? ((var_1_36 / var_1_39)) : (var_1_24))) > 100.3 [L94] COND FALSE !((var_1_33 - var_1_29) >= var_1_21) [L98] signed long int stepLocal_2 = -4; [L99] COND FALSE !(! (-4 < var_1_12)) [L102] COND FALSE !(stepLocal_2 > var_1_21) [L106] var_1_16 = (((((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) < (var_1_15)) ? ((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) : (var_1_15))) [L107] var_1_46 = var_1_33 [L108] var_1_25 = var_1_20 [L109] COND TRUE var_1_28 > var_1_26 [L110] COND FALSE !(var_1_29 >= var_1_21) [L114] unsigned short int stepLocal_0 = var_1_16; [L115] COND FALSE !(((var_1_16 * var_1_16) / var_1_4) <= stepLocal_0) [L118] var_1_1 = (var_1_12 + var_1_12) [L120] COND FALSE !(var_1_26 > ((var_1_29 >> 1) + var_1_12)) [L123] var_1_47 = var_1_21 [L124] COND TRUE (var_1_16 - ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) < (var_1_12 - var_1_16) [L125] var_1_17 = var_1_20 [L127] var_1_45 = var_1_28 [L179] RET step() [L180] CALL, EXPR property() [L170-L171] return (((((((((((var_1_16 * var_1_16) / var_1_4) <= var_1_16) ? (var_1_1 == ((unsigned short int) var_1_12)) : (var_1_1 == ((unsigned short int) (var_1_12 + var_1_12)))) && (((var_1_12 != var_1_4) || var_1_10) ? (var_1_9 == ((unsigned char) var_1_11)) : 1)) && (((last_1_var_1_9 && var_1_11) && (50 > var_1_8)) ? (((- last_1_var_1_24) < last_1_var_1_24) ? (last_1_var_1_9 ? (var_1_12 == ((unsigned char) 5)) : 1) : 1) : (var_1_12 == ((unsigned char) var_1_15)))) && (var_1_16 == ((unsigned short int) (((((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) < (var_1_15)) ? ((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) : (var_1_15)))))) && (((var_1_16 - ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) < (var_1_12 - var_1_16)) ? (var_1_17 == ((float) var_1_20)) : 1)) && (((var_1_9 && var_1_11) && var_1_9) ? (var_1_21 == ((unsigned short int) (var_1_26 + (var_1_15 + ((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))))))) : (var_1_21 == ((unsigned short int) ((23370 - var_1_15) + var_1_12))))) && ((! (-4 < var_1_12)) ? (var_1_24 == ((float) var_1_20)) : ((-4 > var_1_21) ? (var_1_24 == ((float) 10.6f)) : 1))) && (var_1_25 == ((double) var_1_20))) && (var_1_26 == ((signed long int) var_1_12)) ; [L180] RET, EXPR property() [L180] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=-252, var_1_15=-252, var_1_16=4, var_1_17=3, var_1_1=8, var_1_20=3, var_1_21=23370, var_1_24=257/2, var_1_25=3, var_1_26=4, var_1_27=5, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=257, var_1_34=50, var_1_35=2, var_1_36=2, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=1, var_1_43=2, var_1_44=0, var_1_45=6, var_1_46=1, var_1_47=23370, var_1_4=3, var_1_8=0, var_1_9=-256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=257, var_1_11=-256, var_1_12=-252, var_1_15=-252, var_1_16=4, var_1_17=3, var_1_1=8, var_1_20=3, var_1_21=23370, var_1_24=257/2, var_1_25=3, var_1_26=4, var_1_27=5, var_1_28=6, var_1_29=1, var_1_30=0, var_1_33=257, var_1_34=50, var_1_35=2, var_1_36=2, var_1_37=64, var_1_38=8, var_1_40=2, var_1_42=1, var_1_43=2, var_1_44=0, var_1_45=6, var_1_46=1, var_1_47=23370, var_1_4=3, var_1_8=0, var_1_9=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 22, 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=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:12:54,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/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_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/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_67941966-7d22-4cd4-9624-fb0582462cfc/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 a5a79563eebf4c0adb85c657f2e56816668e0af593ca846b35361e1efa1ac928 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:12:57,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:12:57,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:12:57,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:12:57,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:12:57,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:12:57,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:12:57,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:12:57,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:12:57,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:12:57,486 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:12:57,487 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:12:57,487 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:12:57,487 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:12:57,487 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:12:57,487 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:12:57,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:12:57,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:12:57,488 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:12:57,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:12:57,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:12:57,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:12:57,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:12:57,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:12:57,488 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:12:57,488 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:12:57,488 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:12:57,488 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:12:57,488 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:12:57,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:12:57,489 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:12:57,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:12:57,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:12:57,489 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:12:57,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:12:57,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:12:57,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:12:57,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:12:57,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:12:57,491 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:12:57,491 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:12:57,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:12:57,491 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:12:57,491 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_67941966-7d22-4cd4-9624-fb0582462cfc/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 -> a5a79563eebf4c0adb85c657f2e56816668e0af593ca846b35361e1efa1ac928 [2024-11-14 04:12:57,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:12:57,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:12:57,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:12:57,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:12:57,794 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:12:57,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i Unable to find full path for "g++" [2024-11-14 04:12:59,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:13:00,100 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:13:00,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i [2024-11-14 04:13:00,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/data/d6e32ebae/e4d2a74b43bc4b36a2981bb3fb14ac6c/FLAG03db62ccd [2024-11-14 04:13:00,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/data/d6e32ebae/e4d2a74b43bc4b36a2981bb3fb14ac6c [2024-11-14 04:13:00,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:13:00,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:13:00,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:13:00,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:13:00,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:13:00,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:13:00" (1/1) ... [2024-11-14 04:13:00,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0bfc35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00, skipping insertion in model container [2024-11-14 04:13:00,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:13:00" (1/1) ... [2024-11-14 04:13:00,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:13:00,348 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i[919,932] [2024-11-14 04:13:00,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:13:00,474 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:13:00,488 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_67941966-7d22-4cd4-9624-fb0582462cfc/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i[919,932] [2024-11-14 04:13:00,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:13:00,573 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:13:00,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00 WrapperNode [2024-11-14 04:13:00,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:13:00,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:13:00,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:13:00,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:13:00,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00" (1/1) ... [2024-11-14 04:13:00,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00" (1/1) ... [2024-11-14 04:13:00,640 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2024-11-14 04:13:00,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:13:00,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:13:00,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:13:00,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:13:00,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00" (1/1) ... [2024-11-14 04:13:00,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00" (1/1) ... [2024-11-14 04:13:00,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00" (1/1) ... [2024-11-14 04:13:00,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00" (1/1) ... [2024-11-14 04:13:00,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00" (1/1) ... [2024-11-14 04:13:00,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00" (1/1) ... [2024-11-14 04:13:00,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00" (1/1) ... [2024-11-14 04:13:00,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00" (1/1) ... [2024-11-14 04:13:00,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:13:00,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:13:00,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:13:00,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:13:00,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00" (1/1) ... [2024-11-14 04:13:00,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:13:00,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:13:00,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:13:00,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:13:00,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:13:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:13:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:13:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:13:00,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:13:00,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:13:00,898 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:13:00,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:13:05,909 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 04:13:05,910 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:13:05,920 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:13:05,920 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:13:05,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:13:05 BoogieIcfgContainer [2024-11-14 04:13:05,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:13:05,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:13:05,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:13:05,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:13:05,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:13:00" (1/3) ... [2024-11-14 04:13:05,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a51245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:13:05, skipping insertion in model container [2024-11-14 04:13:05,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:13:00" (2/3) ... [2024-11-14 04:13:05,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a51245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:13:05, skipping insertion in model container [2024-11-14 04:13:05,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:13:05" (3/3) ... [2024-11-14 04:13:05,932 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i [2024-11-14 04:13:05,949 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:13:05,950 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-40.i that has 2 procedures, 79 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:13:06,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:13:06,043 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;@5f9ce17b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:13:06,044 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:13:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 55 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:13:06,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-14 04:13:06,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:06,066 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:13:06,067 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:13:06,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:06,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1801471836, now seen corresponding path program 1 times [2024-11-14 04:13:06,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:13:06,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128892484] [2024-11-14 04:13:06,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:06,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:13:06,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:13:06,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:13:06,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:13:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:07,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:13:07,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:13:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 04:13:07,483 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:13:07,484 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:13:07,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128892484] [2024-11-14 04:13:07,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128892484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:13:07,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:13:07,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:13:07,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205625247] [2024-11-14 04:13:07,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:13:07,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:13:07,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:13:07,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:13:07,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:13:07,515 INFO L87 Difference]: Start difference. First operand has 79 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 55 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 04:13:07,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:07,544 INFO L93 Difference]: Finished difference Result 151 states and 258 transitions. [2024-11-14 04:13:07,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:13:07,546 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-14 04:13:07,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:07,554 INFO L225 Difference]: With dead ends: 151 [2024-11-14 04:13:07,554 INFO L226 Difference]: Without dead ends: 75 [2024-11-14 04:13:07,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:13:07,561 INFO L432 NwaCegarLoop]: 113 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, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:07,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:13:07,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-14 04:13:07,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-14 04:13:07,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 51 states have internal predecessors, (69), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:13:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2024-11-14 04:13:07,603 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 152 [2024-11-14 04:13:07,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:07,605 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2024-11-14 04:13:07,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 04:13:07,605 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2024-11-14 04:13:07,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-14 04:13:07,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:07,611 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:13:07,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 04:13:07,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:13:07,812 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:13:07,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:07,813 INFO L85 PathProgramCache]: Analyzing trace with hash -872248881, now seen corresponding path program 1 times [2024-11-14 04:13:07,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:13:07,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955974319] [2024-11-14 04:13:07,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:07,814 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:13:07,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:13:07,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:13:07,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:13:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:09,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:13:09,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:13:10,617 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 453 proven. 39 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-14 04:13:10,618 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:13:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 24 proven. 39 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-14 04:13:12,025 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:13:12,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955974319] [2024-11-14 04:13:12,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955974319] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:13:12,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [984750625] [2024-11-14 04:13:12,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:12,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:13:12,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:13:12,030 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:13:12,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 04:13:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:14,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:13:14,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:13:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 453 proven. 39 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-14 04:13:16,204 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:13:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 24 proven. 39 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-14 04:13:17,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [984750625] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:13:17,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808101588] [2024-11-14 04:13:17,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:17,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:13:17,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:13:17,564 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:13:17,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:13:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:18,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:13:18,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:13:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 453 proven. 39 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-14 04:13:19,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:13:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 24 proven. 39 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-14 04:13:20,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808101588] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:13:20,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:13:20,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5, 5, 6, 6] total 8 [2024-11-14 04:13:20,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003459476] [2024-11-14 04:13:20,866 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:13:20,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 04:13:20,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:13:20,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 04:13:20,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:13:20,869 INFO L87 Difference]: Start difference. First operand 75 states and 113 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-14 04:13:24,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:24,156 INFO L93 Difference]: Finished difference Result 231 states and 339 transitions. [2024-11-14 04:13:24,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-14 04:13:24,157 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 153 [2024-11-14 04:13:24,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:24,160 INFO L225 Difference]: With dead ends: 231 [2024-11-14 04:13:24,160 INFO L226 Difference]: Without dead ends: 159 [2024-11-14 04:13:24,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 924 GetRequests, 904 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-14 04:13:24,162 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 146 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:24,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 328 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-14 04:13:24,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-14 04:13:24,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 149. [2024-11-14 04:13:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 100 states have (on average 1.25) internal successors, (125), 100 states have internal predecessors, (125), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-14 04:13:24,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 213 transitions. [2024-11-14 04:13:24,204 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 213 transitions. Word has length 153 [2024-11-14 04:13:24,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:24,207 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 213 transitions. [2024-11-14 04:13:24,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-14 04:13:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 213 transitions. [2024-11-14 04:13:24,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-14 04:13:24,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:24,210 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:13:24,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 04:13:24,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 04:13:24,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:13:24,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:13:24,811 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:13:24,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:24,812 INFO L85 PathProgramCache]: Analyzing trace with hash 829779977, now seen corresponding path program 1 times [2024-11-14 04:13:24,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:13:24,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1343207259] [2024-11-14 04:13:24,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:24,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:13:24,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:13:24,817 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:13:24,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 04:13:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:25,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:13:25,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:13:26,535 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 04:13:26,536 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:13:26,536 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:13:26,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1343207259] [2024-11-14 04:13:26,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1343207259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:13:26,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:13:26,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:13:26,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7391269] [2024-11-14 04:13:26,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:13:26,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:13:26,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:13:26,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:13:26,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:13:26,540 INFO L87 Difference]: Start difference. First operand 149 states and 213 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 04:13:28,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:28,392 INFO L93 Difference]: Finished difference Result 464 states and 653 transitions. [2024-11-14 04:13:28,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:13:28,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-11-14 04:13:28,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:28,399 INFO L225 Difference]: With dead ends: 464 [2024-11-14 04:13:28,399 INFO L226 Difference]: Without dead ends: 318 [2024-11-14 04:13:28,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:13:28,405 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 202 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:28,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 334 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-14 04:13:28,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-14 04:13:28,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 206. [2024-11-14 04:13:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 131 states have (on average 1.2061068702290076) internal successors, (158), 132 states have internal predecessors, (158), 66 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-14 04:13:28,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 290 transitions. [2024-11-14 04:13:28,452 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 290 transitions. Word has length 153 [2024-11-14 04:13:28,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:28,453 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 290 transitions. [2024-11-14 04:13:28,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 04:13:28,453 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 290 transitions. [2024-11-14 04:13:28,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-14 04:13:28,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:28,456 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:13:28,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-14 04:13:28,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:13:28,656 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:13:28,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:28,657 INFO L85 PathProgramCache]: Analyzing trace with hash 887038279, now seen corresponding path program 1 times [2024-11-14 04:13:28,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:13:28,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143094663] [2024-11-14 04:13:28,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:28,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:13:28,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:13:28,660 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:13:28,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/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 04:13:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:29,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:13:29,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:13:31,431 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 441 proven. 21 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-14 04:13:31,431 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:13:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-14 04:13:33,180 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:13:33,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143094663] [2024-11-14 04:13:33,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143094663] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:13:33,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1273702767] [2024-11-14 04:13:33,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:33,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:13:33,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:13:33,182 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:13:33,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-14 04:13:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:36,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:13:36,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:13:38,062 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 441 proven. 21 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-14 04:13:38,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:13:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-14 04:13:39,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1273702767] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:13:39,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779041036] [2024-11-14 04:13:39,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:39,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:13:39,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:13:39,349 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:13:39,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 04:13:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:40,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:13:40,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:13:40,791 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 04:13:40,792 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:13:40,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779041036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:13:40,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2024-11-14 04:13:40,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 7, 7, 7] total 13 [2024-11-14 04:13:40,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971378375] [2024-11-14 04:13:40,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:13:40,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:13:40,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:13:40,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:13:40,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-14 04:13:40,793 INFO L87 Difference]: Start difference. First operand 206 states and 290 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 04:13:41,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:41,903 INFO L93 Difference]: Finished difference Result 476 states and 659 transitions. [2024-11-14 04:13:41,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:13:41,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-11-14 04:13:41,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:41,908 INFO L225 Difference]: With dead ends: 476 [2024-11-14 04:13:41,908 INFO L226 Difference]: Without dead ends: 316 [2024-11-14 04:13:41,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 747 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-14 04:13:41,910 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 164 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:41,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 188 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-14 04:13:41,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-14 04:13:41,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 312. [2024-11-14 04:13:41,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 207 states have (on average 1.2077294685990339) internal successors, (250), 210 states have internal predecessors, (250), 90 states have call successors, (90), 14 states have call predecessors, (90), 14 states have return successors, (90), 87 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-14 04:13:41,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 430 transitions. [2024-11-14 04:13:41,962 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 430 transitions. Word has length 153 [2024-11-14 04:13:41,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:41,963 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 430 transitions. [2024-11-14 04:13:41,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 04:13:41,963 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 430 transitions. [2024-11-14 04:13:41,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-14 04:13:41,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:41,966 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:13:42,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-14 04:13:42,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/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 04:13:42,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-14 04:13:42,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:13:42,567 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:13:42,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:42,567 INFO L85 PathProgramCache]: Analyzing trace with hash -801905463, now seen corresponding path program 1 times [2024-11-14 04:13:42,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:13:42,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235008875] [2024-11-14 04:13:42,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:42,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:13:42,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:13:42,569 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:13:42,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-14 04:13:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:43,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:13:43,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:13:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 441 proven. 21 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-14 04:13:44,902 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:13:46,289 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-14 04:13:46,290 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:13:46,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235008875] [2024-11-14 04:13:46,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235008875] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:13:46,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2009984084] [2024-11-14 04:13:46,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:46,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:13:46,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:13:46,292 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:13:46,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-14 04:13:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:49,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:13:49,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:13:50,771 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 441 proven. 21 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-14 04:13:50,771 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:13:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-14 04:13:51,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2009984084] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:13:51,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801178169] [2024-11-14 04:13:51,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:51,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:13:51,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:13:51,898 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:13:51,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-14 04:13:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:52,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:13:52,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:13:53,441 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 441 proven. 21 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-14 04:13:53,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:13:54,547 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-14 04:13:54,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801178169] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:13:54,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:13:54,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 9 [2024-11-14 04:13:54,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793420396] [2024-11-14 04:13:54,547 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:13:54,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 04:13:54,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:13:54,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 04:13:54,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:13:54,550 INFO L87 Difference]: Start difference. First operand 312 states and 430 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-14 04:13:57,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:13:57,902 INFO L93 Difference]: Finished difference Result 636 states and 846 transitions. [2024-11-14 04:13:57,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 04:13:57,902 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 153 [2024-11-14 04:13:57,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:13:57,905 INFO L225 Difference]: With dead ends: 636 [2024-11-14 04:13:57,906 INFO L226 Difference]: Without dead ends: 370 [2024-11-14 04:13:57,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 902 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=125, Invalid=217, Unknown=0, NotChecked=0, Total=342 [2024-11-14 04:13:57,909 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 154 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:13:57,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 205 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-14 04:13:57,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-14 04:13:57,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 315. [2024-11-14 04:13:57,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 214 states have (on average 1.1635514018691588) internal successors, (249), 217 states have internal predecessors, (249), 82 states have call successors, (82), 18 states have call predecessors, (82), 18 states have return successors, (82), 79 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-14 04:13:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 413 transitions. [2024-11-14 04:13:57,960 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 413 transitions. Word has length 153 [2024-11-14 04:13:57,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:13:57,960 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 413 transitions. [2024-11-14 04:13:57,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-14 04:13:57,961 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 413 transitions. [2024-11-14 04:13:57,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-14 04:13:57,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:13:57,963 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:13:58,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-14 04:13:58,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-14 04:13:58,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-14 04:13:58,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:13:58,564 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:13:58,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:13:58,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1611252089, now seen corresponding path program 1 times [2024-11-14 04:13:58,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:13:58,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920775372] [2024-11-14 04:13:58,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:13:58,565 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:13:58,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:13:58,567 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:13:58,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67941966-7d22-4cd4-9624-fb0582462cfc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-14 04:13:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:13:59,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 04:13:59,794 INFO L278 TraceCheckSpWp]: Computing forward predicates...