./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.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_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/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_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/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_cd3f2b78-2f3c-450c-84f2-cee79967a140/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 05e78d65183335a630ebe0b6b17deae244beb1f4c048b68336ff610dd6b956dc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:50:10,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:50:10,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:50:10,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:50:10,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:50:10,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:50:10,699 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:50:10,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:50:10,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:50:10,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:50:10,700 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:50:10,701 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:50:10,701 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:50:10,701 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:50:10,701 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:50:10,701 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:50:10,701 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:50:10,702 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:50:10,702 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:50:10,702 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:50:10,702 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:50:10,703 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:50:10,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:50:10,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:50:10,704 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:50:10,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:50:10,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:50:10,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:50:10,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:50:10,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:50:10,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:50:10,705 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:50:10,705 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:50:10,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:50:10,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:50:10,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:50:10,706 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:50:10,706 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:50:10,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:10,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:50:10,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:50:10,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:50:10,706 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:50:10,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:50:10,707 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:50:10,707 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:50:10,707 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:50:10,707 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_cd3f2b78-2f3c-450c-84f2-cee79967a140/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 -> 05e78d65183335a630ebe0b6b17deae244beb1f4c048b68336ff610dd6b956dc [2024-11-14 05:50:11,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:50:11,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:50:11,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:50:11,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:50:11,132 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:50:11,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i Unable to find full path for "g++" [2024-11-14 05:50:13,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:50:13,830 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:50:13,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i [2024-11-14 05:50:13,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/data/01e8c6f02/3f4c93d56f114fa8af1260621af46f53/FLAG7f29dccb9 [2024-11-14 05:50:13,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/data/01e8c6f02/3f4c93d56f114fa8af1260621af46f53 [2024-11-14 05:50:13,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:50:13,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:50:13,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:13,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:50:13,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:50:13,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:13" (1/1) ... [2024-11-14 05:50:13,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d3236cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:13, skipping insertion in model container [2024-11-14 05:50:13,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:13" (1/1) ... [2024-11-14 05:50:13,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:50:14,163 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_cd3f2b78-2f3c-450c-84f2-cee79967a140/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i[919,932] [2024-11-14 05:50:14,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:14,271 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:50:14,282 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_cd3f2b78-2f3c-450c-84f2-cee79967a140/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i[919,932] [2024-11-14 05:50:14,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:14,350 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:50:14,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:14 WrapperNode [2024-11-14 05:50:14,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:14,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:14,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:50:14,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:50:14,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:14" (1/1) ... [2024-11-14 05:50:14,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:14" (1/1) ... [2024-11-14 05:50:14,441 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 212 [2024-11-14 05:50:14,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:14,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:50:14,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:50:14,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:50:14,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:14" (1/1) ... [2024-11-14 05:50:14,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:14" (1/1) ... [2024-11-14 05:50:14,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:14" (1/1) ... [2024-11-14 05:50:14,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:14" (1/1) ... [2024-11-14 05:50:14,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:14" (1/1) ... [2024-11-14 05:50:14,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:14" (1/1) ... [2024-11-14 05:50:14,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:14" (1/1) ... [2024-11-14 05:50:14,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:14" (1/1) ... [2024-11-14 05:50:14,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:50:14,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:50:14,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:50:14,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:50:14,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:14" (1/1) ... [2024-11-14 05:50:14,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:14,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:50:14,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:50:14,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:50:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:50:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:50:14,585 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:50:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:50:14,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:50:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:50:14,742 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:50:14,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:50:15,530 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-14 05:50:15,530 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:50:16,041 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:50:16,041 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:50:16,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:50:16 BoogieIcfgContainer [2024-11-14 05:50:16,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:50:16,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:50:16,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:50:16,055 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:50:16,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:50:13" (1/3) ... [2024-11-14 05:50:16,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b3a918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:50:16, skipping insertion in model container [2024-11-14 05:50:16,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:14" (2/3) ... [2024-11-14 05:50:16,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b3a918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:50:16, skipping insertion in model container [2024-11-14 05:50:16,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:50:16" (3/3) ... [2024-11-14 05:50:16,061 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i [2024-11-14 05:50:16,083 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:50:16,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:50:16,177 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:50:16,198 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;@612f5c95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:50:16,199 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:50:16,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 05:50:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-14 05:50:16,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:16,220 INFO L215 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:50:16,220 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:50:16,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:16,227 INFO L85 PathProgramCache]: Analyzing trace with hash 78141299, now seen corresponding path program 1 times [2024-11-14 05:50:16,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:50:16,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882374704] [2024-11-14 05:50:16,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:16,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:50:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:50:17,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1645837970] [2024-11-14 05:50:17,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:17,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:50:17,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:50:17,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:50:17,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:50:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:50:17,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:50:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:50:18,176 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:50:18,179 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:50:18,182 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:50:18,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:50:18,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 05:50:18,396 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:50:18,540 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:50:18,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:50:18 BoogieIcfgContainer [2024-11-14 05:50:18,544 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:50:18,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:50:18,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:50:18,546 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:50:18,547 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:50:16" (3/4) ... [2024-11-14 05:50:18,550 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:50:18,551 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:50:18,552 INFO L158 Benchmark]: Toolchain (without parser) took 4670.74ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 35.6MB in the end (delta: 56.6MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2024-11-14 05:50:18,553 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:50:18,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.94ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 76.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:50:18,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.34ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 73.1MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:50:18,556 INFO L158 Benchmark]: Boogie Preprocessor took 45.86ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:50:18,557 INFO L158 Benchmark]: RCFGBuilder took 1552.39ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 56.9MB in the end (delta: 14.0MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-11-14 05:50:18,559 INFO L158 Benchmark]: TraceAbstraction took 2497.37ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 35.6MB in the end (delta: 20.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-14 05:50:18,559 INFO L158 Benchmark]: Witness Printer took 5.67ms. Allocated memory is still 117.4MB. Free memory was 35.6MB in the beginning and 35.6MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:50:18,564 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.94ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 76.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.34ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 73.1MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.86ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1552.39ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 56.9MB in the end (delta: 14.0MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2497.37ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 35.6MB in the end (delta: 20.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Witness Printer took 5.67ms. Allocated memory is still 117.4MB. Free memory was 35.6MB in the beginning and 35.6MB in the end (delta: 13.7kB). 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 59, overapproximation of someBinaryFLOATComparisonOperation at line 158, overapproximation of bitwiseOr at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 155, overapproximation of someBinaryDOUBLEComparisonOperation at line 138, overapproximation of someBinaryDOUBLEComparisonOperation at line 156, overapproximation of someBinaryDOUBLEComparisonOperation at line 136, overapproximation of someBinaryDOUBLEComparisonOperation at line 172, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 174. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] double var_1_2 = 32.25; [L24] double var_1_3 = 16.5; [L25] unsigned char var_1_4 = 10; [L26] unsigned char var_1_5 = 100; [L27] unsigned char var_1_6 = 1; [L28] signed char var_1_7 = -5; [L29] unsigned char var_1_8 = 0; [L30] signed char var_1_9 = -10; [L31] signed short int var_1_10 = 64; [L32] unsigned short int var_1_11 = 0; [L33] float var_1_12 = 64.75; [L34] double var_1_13 = 5.4; [L35] float var_1_14 = 5.625; [L36] unsigned long int var_1_15 = 32; [L37] unsigned long int var_1_16 = 4; [L38] unsigned long int var_1_19 = 1622847904; [L39] unsigned long int var_1_20 = 1667052813; [L40] unsigned char var_1_22 = 0; [L41] unsigned char var_1_24 = 0; [L42] unsigned char var_1_25 = 0; [L43] double var_1_26 = 0.4; [L44] signed long int var_1_28 = 1; [L45] signed long int var_1_30 = 64; [L46] double var_1_31 = 255.5; [L47] double var_1_32 = 1.625; [L48] float var_1_36 = 7.1; [L49] unsigned long int var_1_39 = 256; [L50] unsigned long int var_1_40 = 256; [L51] unsigned short int last_1_var_1_11 = 0; [L52] float last_1_var_1_12 = 64.75; [L53] unsigned long int last_1_var_1_15 = 32; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L177] last_1_var_1_11 = var_1_11 [L178] last_1_var_1_12 = var_1_12 [L179] last_1_var_1_15 = var_1_15 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L135] var_1_2 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=33/2, var_1_40=256, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=33/2, var_1_40=256, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L137] var_1_3 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L139] var_1_4 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L141] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L142] var_1_5 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_5 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_5 >= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L144] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L145] var_1_6 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_7=-5, var_1_8=0, var_1_9=-10] [L147] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=-10] [L148] var_1_8 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_9=-10] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_9=-10] [L150] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=-10] [L151] var_1_9 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_9 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_9 >= -63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L153] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L154] var_1_13 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L156] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L157] var_1_14 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L159] var_1_19 = __VERIFIER_nondet_ulong() [L160] CALL assume_abort_if_not(var_1_19 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_19 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L161] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L162] var_1_20 = __VERIFIER_nondet_ulong() [L163] CALL assume_abort_if_not(var_1_20 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_20 >= 1073741824) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L164] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L165] var_1_24 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L167] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L168] var_1_25 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_25 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=-255, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 1) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=-255, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L170] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=-255, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=-255, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L171] var_1_31 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=-255, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=-255, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L173] var_1_32 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=-255, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=-255, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=-5, var_1_8=0, var_1_9=32] [L190] RET updateVariables() [L191] CALL step() [L57] unsigned long int stepLocal_1 = var_1_6 - last_1_var_1_15; [L58] EXPR last_1_var_1_11 ^ last_1_var_1_15 [L58] COND FALSE !(stepLocal_1 < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) [L63] COND FALSE !((var_1_5 <= var_1_4) && var_1_8) [L70] COND FALSE !((-8 * var_1_11) < var_1_4) [L73] var_1_7 = var_1_9 [L76] COND TRUE 128 >= last_1_var_1_15 [L77] var_1_15 = (var_1_6 + (var_1_4 + var_1_11)) [L81] COND TRUE var_1_2 != (var_1_3 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))) [L82] var_1_12 = var_1_14 [L84] COND FALSE !((10.8 + var_1_12) <= (- var_1_12)) [L87] unsigned char stepLocal_0 = var_1_4; [L88] COND FALSE !(-4 >= stepLocal_0) [L95] var_1_10 = var_1_4 [L97] COND FALSE !(\read(var_1_8)) [L104] COND FALSE !(\read(var_1_8)) [L107] COND TRUE var_1_19 <= (~ (var_1_4 % var_1_20)) [L108] var_1_22 = (! var_1_24) [L113] COND TRUE var_1_20 >= (var_1_6 / ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) [L114] var_1_26 = var_1_14 [L116] var_1_28 = var_1_11 [L117] COND FALSE !(((var_1_31 - var_1_32) + (var_1_14 / var_1_13)) < ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2)))) [L128] COND FALSE !(\read(var_1_24)) [L131] var_1_39 = var_1_19 [L132] var_1_40 = var_1_19 [L191] RET step() [L192] CALL, EXPR property() [L182] EXPR (((((10.8 + var_1_12) <= (- var_1_12)) ? (var_1_1 == ((unsigned char) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + (var_1_5 - var_1_6)))) : 1) && (((var_1_5 <= var_1_4) && var_1_8) ? (var_1_8 ? (var_1_7 == ((signed char) (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))))) : (var_1_7 == ((signed char) ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))))) : (((-8 * var_1_11) < var_1_4) ? (var_1_7 == ((signed char) 1)) : (var_1_7 == ((signed char) var_1_9))))) && ((-4 >= var_1_4) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((signed short int) (var_1_7 + var_1_6))) : (var_1_10 == ((signed short int) var_1_5))) : (var_1_10 == ((signed short int) var_1_4)))) && (((var_1_6 - last_1_var_1_15) < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) ? ((last_1_var_1_12 == last_1_var_1_12) ? (var_1_11 == ((unsigned short int) last_1_var_1_15)) : 1) : 1) [L182-L183] return (((((((10.8 + var_1_12) <= (- var_1_12)) ? (var_1_1 == ((unsigned char) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + (var_1_5 - var_1_6)))) : 1) && (((var_1_5 <= var_1_4) && var_1_8) ? (var_1_8 ? (var_1_7 == ((signed char) (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))))) : (var_1_7 == ((signed char) ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))))) : (((-8 * var_1_11) < var_1_4) ? (var_1_7 == ((signed char) 1)) : (var_1_7 == ((signed char) var_1_9))))) && ((-4 >= var_1_4) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((signed short int) (var_1_7 + var_1_6))) : (var_1_10 == ((signed short int) var_1_5))) : (var_1_10 == ((signed short int) var_1_4)))) && (((var_1_6 - last_1_var_1_15) < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) ? ((last_1_var_1_12 == last_1_var_1_12) ? (var_1_11 == ((unsigned short int) last_1_var_1_15)) : 1) : 1)) && ((var_1_2 != (var_1_3 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (var_1_12 == ((float) var_1_14)) : 1)) && ((128 >= last_1_var_1_15) ? (var_1_15 == ((unsigned long int) (var_1_6 + (var_1_4 + var_1_11)))) : (var_1_15 == ((unsigned long int) var_1_7))) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=0, var_1_11=0, var_1_12=2, var_1_14=2, var_1_15=30, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=1, var_1_24=0, var_1_25=-255, var_1_26=2, var_1_28=0, var_1_30=64, var_1_36=71/10, var_1_39=-3221225473, var_1_40=-3221225473, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=32, var_1_8=0, var_1_9=32] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=0, var_1_11=0, var_1_12=2, var_1_14=2, var_1_15=30, var_1_16=4, var_1_19=-3221225473, var_1_1=32, var_1_20=2147483647, var_1_22=1, var_1_24=0, var_1_25=-255, var_1_26=2, var_1_28=0, var_1_30=64, var_1_36=71/10, var_1_39=-3221225473, var_1_40=-3221225473, var_1_4=512, var_1_5=-130, var_1_6=-482, var_1_7=32, var_1_8=0, var_1_9=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 25, 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=49occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 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 05:50:18,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/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_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/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_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/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_cd3f2b78-2f3c-450c-84f2-cee79967a140/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 05e78d65183335a630ebe0b6b17deae244beb1f4c048b68336ff610dd6b956dc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:50:21,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:50:21,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:50:21,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:50:21,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:50:21,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:50:21,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:50:21,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:50:21,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:50:21,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:50:21,973 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:50:21,973 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:50:21,973 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:50:21,973 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:50:21,974 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:50:21,975 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:50:21,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:50:21,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:50:21,977 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:50:21,977 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:50:21,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:50:21,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:50:21,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:50:21,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:50:21,978 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:50:21,978 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:50:21,978 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:50:21,978 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:50:21,978 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:50:21,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:50:21,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:50:21,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:50:21,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:50:21,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:50:21,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:50:21,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:21,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:50:21,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:50:21,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:50:21,981 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:50:21,981 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:50:21,981 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:50:21,981 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:50:21,981 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_cd3f2b78-2f3c-450c-84f2-cee79967a140/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 -> 05e78d65183335a630ebe0b6b17deae244beb1f4c048b68336ff610dd6b956dc [2024-11-14 05:50:22,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:50:22,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:50:22,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:50:22,389 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:50:22,390 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:50:22,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i Unable to find full path for "g++" [2024-11-14 05:50:24,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:50:24,999 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:50:24,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i [2024-11-14 05:50:25,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/data/39a49fa3c/2fefec482c714bcf9c5a0ef196168fdc/FLAGdb4564b49 [2024-11-14 05:50:25,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/data/39a49fa3c/2fefec482c714bcf9c5a0ef196168fdc [2024-11-14 05:50:25,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:50:25,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:50:25,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:25,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:50:25,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:50:25,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:25" (1/1) ... [2024-11-14 05:50:25,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e4fc3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25, skipping insertion in model container [2024-11-14 05:50:25,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:50:25" (1/1) ... [2024-11-14 05:50:25,266 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:50:25,497 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i[919,932] [2024-11-14 05:50:25,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:25,674 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:50:25,690 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_cd3f2b78-2f3c-450c-84f2-cee79967a140/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i[919,932] [2024-11-14 05:50:25,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:50:25,823 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:50:25,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25 WrapperNode [2024-11-14 05:50:25,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:50:25,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:25,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:50:25,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:50:25,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25" (1/1) ... [2024-11-14 05:50:25,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25" (1/1) ... [2024-11-14 05:50:25,914 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2024-11-14 05:50:25,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:50:25,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:50:25,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:50:25,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:50:25,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25" (1/1) ... [2024-11-14 05:50:25,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25" (1/1) ... [2024-11-14 05:50:25,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25" (1/1) ... [2024-11-14 05:50:25,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25" (1/1) ... [2024-11-14 05:50:25,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25" (1/1) ... [2024-11-14 05:50:25,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25" (1/1) ... [2024-11-14 05:50:25,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25" (1/1) ... [2024-11-14 05:50:25,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25" (1/1) ... [2024-11-14 05:50:25,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:50:25,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:50:25,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:50:25,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:50:25,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25" (1/1) ... [2024-11-14 05:50:26,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:50:26,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:50:26,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:50:26,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:50:26,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:50:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:50:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:50:26,075 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:50:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:50:26,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:50:26,200 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:50:26,202 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:50:37,372 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-14 05:50:37,373 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:50:37,393 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:50:37,393 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:50:37,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:50:37 BoogieIcfgContainer [2024-11-14 05:50:37,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:50:37,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:50:37,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:50:37,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:50:37,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:50:25" (1/3) ... [2024-11-14 05:50:37,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f848805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:50:37, skipping insertion in model container [2024-11-14 05:50:37,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:50:25" (2/3) ... [2024-11-14 05:50:37,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f848805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:50:37, skipping insertion in model container [2024-11-14 05:50:37,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:50:37" (3/3) ... [2024-11-14 05:50:37,407 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i [2024-11-14 05:50:37,426 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:50:37,428 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-95.i that has 2 procedures, 81 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:50:37,524 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:50:37,540 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;@1c56d6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:50:37,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:50:37,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 54 states have internal predecessors, (77), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 05:50:37,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-14 05:50:37,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:37,572 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:50:37,572 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:50:37,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:37,579 INFO L85 PathProgramCache]: Analyzing trace with hash -2141213896, now seen corresponding path program 1 times [2024-11-14 05:50:37,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:50:37,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9120166] [2024-11-14 05:50:37,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:37,597 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:50:37,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:50:37,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:50:37,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 05:50:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:50:40,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:50:40,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:50:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2024-11-14 05:50:40,211 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:50:40,212 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:50:40,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9120166] [2024-11-14 05:50:40,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [9120166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:50:40,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:50:40,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:50:40,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004117417] [2024-11-14 05:50:40,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:50:40,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:50:40,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:50:40,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:50:40,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:50:40,260 INFO L87 Difference]: Start difference. First operand has 81 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 54 states have internal predecessors, (77), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 05:50:40,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:50:40,320 INFO L93 Difference]: Finished difference Result 154 states and 271 transitions. [2024-11-14 05:50:40,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:50:40,323 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 164 [2024-11-14 05:50:40,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:50:40,333 INFO L225 Difference]: With dead ends: 154 [2024-11-14 05:50:40,333 INFO L226 Difference]: Without dead ends: 76 [2024-11-14 05:50:40,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:50:40,344 INFO L432 NwaCegarLoop]: 117 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, 117 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:50:40,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:50:40,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-14 05:50:40,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-14 05:50:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 49 states have internal predecessors, (67), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 05:50:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 117 transitions. [2024-11-14 05:50:40,420 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 117 transitions. Word has length 164 [2024-11-14 05:50:40,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:50:40,422 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 117 transitions. [2024-11-14 05:50:40,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 05:50:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2024-11-14 05:50:40,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-14 05:50:40,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:40,429 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:50:40,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/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 05:50:40,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:50:40,634 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:50:40,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:40,636 INFO L85 PathProgramCache]: Analyzing trace with hash 913751746, now seen corresponding path program 1 times [2024-11-14 05:50:40,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:50:40,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263327070] [2024-11-14 05:50:40,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:40,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:50:40,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:50:40,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:50:40,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 05:50:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:50:43,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 05:50:43,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:50:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-14 05:50:43,408 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:50:43,409 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:50:43,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263327070] [2024-11-14 05:50:43,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263327070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:50:43,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:50:43,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:50:43,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611129880] [2024-11-14 05:50:43,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:50:43,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:50:43,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:50:43,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:50:43,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:50:43,414 INFO L87 Difference]: Start difference. First operand 76 states and 117 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 05:50:45,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:48,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:48,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:50:48,373 INFO L93 Difference]: Finished difference Result 188 states and 287 transitions. [2024-11-14 05:50:48,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:50:48,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 164 [2024-11-14 05:50:48,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:50:48,377 INFO L225 Difference]: With dead ends: 188 [2024-11-14 05:50:48,377 INFO L226 Difference]: Without dead ends: 115 [2024-11-14 05:50:48,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:50:48,379 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 48 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:50:48,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 239 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2024-11-14 05:50:48,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-14 05:50:48,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112. [2024-11-14 05:50:48,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 76 states have (on average 1.3289473684210527) internal successors, (101), 77 states have internal predecessors, (101), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-14 05:50:48,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 167 transitions. [2024-11-14 05:50:48,405 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 167 transitions. Word has length 164 [2024-11-14 05:50:48,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:50:48,406 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 167 transitions. [2024-11-14 05:50:48,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 05:50:48,407 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 167 transitions. [2024-11-14 05:50:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-14 05:50:48,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:48,414 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:50:48,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-14 05:50:48,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:50:48,615 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:50:48,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:48,615 INFO L85 PathProgramCache]: Analyzing trace with hash -531316798, now seen corresponding path program 1 times [2024-11-14 05:50:48,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:50:48,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1069217083] [2024-11-14 05:50:48,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:48,616 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:50:48,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:50:48,618 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:50:48,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 05:50:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:50:50,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 05:50:50,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:50:51,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-14 05:50:51,128 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:50:51,128 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:50:51,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1069217083] [2024-11-14 05:50:51,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1069217083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:50:51,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:50:51,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:50:51,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769405445] [2024-11-14 05:50:51,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:50:51,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:50:51,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:50:51,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:50:51,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:50:51,134 INFO L87 Difference]: Start difference. First operand 112 states and 167 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 05:50:53,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:55,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:55,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:50:55,611 INFO L93 Difference]: Finished difference Result 228 states and 336 transitions. [2024-11-14 05:50:55,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:50:55,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 164 [2024-11-14 05:50:55,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:50:55,707 INFO L225 Difference]: With dead ends: 228 [2024-11-14 05:50:55,707 INFO L226 Difference]: Without dead ends: 119 [2024-11-14 05:50:55,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:50:55,709 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 47 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:50:55,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 227 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2024-11-14 05:50:55,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-14 05:50:55,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 92. [2024-11-14 05:50:55,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 64 states have (on average 1.328125) internal successors, (85), 64 states have internal predecessors, (85), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 05:50:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 135 transitions. [2024-11-14 05:50:55,737 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 135 transitions. Word has length 164 [2024-11-14 05:50:55,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:50:55,738 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 135 transitions. [2024-11-14 05:50:55,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 05:50:55,739 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2024-11-14 05:50:55,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 05:50:55,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:55,744 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:50:55,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 05:50:55,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:50:55,945 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:50:55,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:50:55,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1911381881, now seen corresponding path program 1 times [2024-11-14 05:50:55,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:50:55,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137545106] [2024-11-14 05:50:55,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:50:55,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:50:55,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:50:55,951 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:50:55,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 05:50:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:50:58,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:50:58,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:50:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 384 proven. 12 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2024-11-14 05:50:59,902 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:51:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-14 05:51:02,547 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:51:02,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137545106] [2024-11-14 05:51:02,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137545106] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:51:02,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [162616005] [2024-11-14 05:51:02,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:02,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:51:02,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:51:02,555 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:51:02,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-14 05:51:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:06,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:51:06,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:51:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 384 proven. 12 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2024-11-14 05:51:08,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:51:10,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-14 05:51:10,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [162616005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:51:10,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265694303] [2024-11-14 05:51:10,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:10,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:51:10,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:51:10,409 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:51:10,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 05:51:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:12,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:51:12,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:51:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 384 proven. 12 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2024-11-14 05:51:13,654 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:51:15,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-14 05:51:15,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265694303] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:51:15,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 05:51:15,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2024-11-14 05:51:15,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405598394] [2024-11-14 05:51:15,815 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 05:51:15,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:51:15,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:51:15,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:51:15,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:51:15,818 INFO L87 Difference]: Start difference. First operand 92 states and 135 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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 05:51:18,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:18,157 INFO L93 Difference]: Finished difference Result 191 states and 276 transitions. [2024-11-14 05:51:18,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 05:51:18,158 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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 165 [2024-11-14 05:51:18,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:18,160 INFO L225 Difference]: With dead ends: 191 [2024-11-14 05:51:18,161 INFO L226 Difference]: Without dead ends: 102 [2024-11-14 05:51:18,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 988 GetRequests, 976 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-14 05:51:18,163 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 106 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:18,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 205 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-14 05:51:18,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-14 05:51:18,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 96. [2024-11-14 05:51:18,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 67 states have internal predecessors, (87), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 05:51:18,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 137 transitions. [2024-11-14 05:51:18,190 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 137 transitions. Word has length 165 [2024-11-14 05:51:18,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:18,191 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 137 transitions. [2024-11-14 05:51:18,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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 05:51:18,191 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2024-11-14 05:51:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 05:51:18,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:18,194 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:18,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-14 05:51:18,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 05:51:18,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 05:51:18,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:51:18,796 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:18,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:18,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1854123579, now seen corresponding path program 1 times [2024-11-14 05:51:18,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:51:18,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802638246] [2024-11-14 05:51:18,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:18,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:51:18,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:51:18,800 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:51:18,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3f2b78-2f3c-450c-84f2-cee79967a140/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-14 05:51:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:21,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-14 05:51:21,437 INFO L278 TraceCheckSpWp]: Computing forward predicates...