./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje --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 f39f68f55c90deb8496cdc58f18787083a238252dfdfe92f73d39acb627ae3ba --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:16:51,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:16:51,684 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:16:51,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:16:51,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:16:51,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:16:51,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:16:51,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:16:51,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:16:51,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:16:51,746 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:16:51,747 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:16:51,747 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:16:51,747 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:16:51,748 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:16:51,748 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:16:51,748 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:16:51,749 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:16:51,753 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:16:51,754 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:16:51,754 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:16:51,756 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:16:51,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:16:51,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:16:51,757 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:16:51,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:16:51,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:16:51,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:16:51,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:16:51,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:16:51,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:16:51,760 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:16:51,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:16:51,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:16:51,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:16:51,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:16:51,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:16:51,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:16:51,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:16:51,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:16:51,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:16:51,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:16:51,764 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:16:51,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:16:51,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:16:51,765 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:16:51,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:16:51,765 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f39f68f55c90deb8496cdc58f18787083a238252dfdfe92f73d39acb627ae3ba [2024-11-09 05:16:52,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:16:52,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:16:52,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:16:52,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:16:52,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:16:52,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i Unable to find full path for "g++" [2024-11-09 05:16:54,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:16:54,668 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:16:54,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i [2024-11-09 05:16:54,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/data/9f7d83fc5/5c3047d613c64c2dae18e82260ca8734/FLAG28d7c2c22 [2024-11-09 05:16:54,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/data/9f7d83fc5/5c3047d613c64c2dae18e82260ca8734 [2024-11-09 05:16:54,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:16:54,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:16:54,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:16:54,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:16:54,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:16:54,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:16:54" (1/1) ... [2024-11-09 05:16:54,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8b85a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:54, skipping insertion in model container [2024-11-09 05:16:54,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:16:54" (1/1) ... [2024-11-09 05:16:55,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:16:55,172 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_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i[917,930] [2024-11-09 05:16:55,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:16:55,253 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:16:55,268 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_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i[917,930] [2024-11-09 05:16:55,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:16:55,341 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:16:55,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:55 WrapperNode [2024-11-09 05:16:55,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:16:55,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:16:55,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:16:55,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:16:55,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:55" (1/1) ... [2024-11-09 05:16:55,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:55" (1/1) ... [2024-11-09 05:16:55,411 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2024-11-09 05:16:55,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:16:55,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:16:55,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:16:55,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:16:55,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:55" (1/1) ... [2024-11-09 05:16:55,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:55" (1/1) ... [2024-11-09 05:16:55,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:55" (1/1) ... [2024-11-09 05:16:55,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:55" (1/1) ... [2024-11-09 05:16:55,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:55" (1/1) ... [2024-11-09 05:16:55,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:55" (1/1) ... [2024-11-09 05:16:55,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:55" (1/1) ... [2024-11-09 05:16:55,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:55" (1/1) ... [2024-11-09 05:16:55,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:16:55,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:16:55,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:16:55,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:16:55,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:55" (1/1) ... [2024-11-09 05:16:55,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:16:55,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:16:55,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:16:55,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:16:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:16:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:16:55,562 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:16:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:16:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:16:55,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:16:55,680 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:16:55,683 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:16:56,334 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-09 05:16:56,334 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:16:56,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:16:56,746 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:16:56,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:16:56 BoogieIcfgContainer [2024-11-09 05:16:56,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:16:56,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:16:56,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:16:56,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:16:56,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:16:54" (1/3) ... [2024-11-09 05:16:56,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291ba90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:16:56, skipping insertion in model container [2024-11-09 05:16:56,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:16:55" (2/3) ... [2024-11-09 05:16:56,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291ba90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:16:56, skipping insertion in model container [2024-11-09 05:16:56,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:16:56" (3/3) ... [2024-11-09 05:16:56,763 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-34.i [2024-11-09 05:16:56,786 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:16:56,786 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:16:56,869 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:16:56,884 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;@520ed2f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:16:56,885 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:16:56,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 05:16:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 05:16:56,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:16:56,910 INFO L215 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:16:56,911 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:16:56,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:16:56,919 INFO L85 PathProgramCache]: Analyzing trace with hash 744210441, now seen corresponding path program 1 times [2024-11-09 05:16:56,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:16:56,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134614772] [2024-11-09 05:16:56,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:16:56,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:16:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:16:57,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [72803544] [2024-11-09 05:16:57,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:16:57,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:16:57,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:16:57,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:16:57,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:16:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:16:57,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:16:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:16:58,252 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:16:58,255 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:16:58,257 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:16:58,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:16:58,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:16:58,465 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:16:58,553 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:16:58,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:16:58 BoogieIcfgContainer [2024-11-09 05:16:58,557 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:16:58,557 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:16:58,557 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:16:58,558 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:16:58,558 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:16:56" (3/4) ... [2024-11-09 05:16:58,561 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:16:58,563 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:16:58,564 INFO L158 Benchmark]: Toolchain (without parser) took 3593.38ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 120.8MB in the beginning and 85.7MB in the end (delta: 35.1MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2024-11-09 05:16:58,564 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:16:58,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.49ms. Allocated memory is still 153.1MB. Free memory was 120.5MB in the beginning and 104.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 05:16:58,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.46ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 99.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:16:58,566 INFO L158 Benchmark]: Boogie Preprocessor took 62.30ms. Allocated memory is still 153.1MB. Free memory was 99.8MB in the beginning and 97.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:16:58,567 INFO L158 Benchmark]: RCFGBuilder took 1271.55ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 97.4MB in the beginning and 164.3MB in the end (delta: -66.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-09 05:16:58,568 INFO L158 Benchmark]: TraceAbstraction took 1805.01ms. Allocated memory is still 197.1MB. Free memory was 164.3MB in the beginning and 86.7MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-11-09 05:16:58,568 INFO L158 Benchmark]: Witness Printer took 5.47ms. Allocated memory is still 197.1MB. Free memory was 86.7MB in the beginning and 85.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:16:58,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.49ms. Allocated memory is still 153.1MB. Free memory was 120.5MB in the beginning and 104.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.46ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 99.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.30ms. Allocated memory is still 153.1MB. Free memory was 99.8MB in the beginning and 97.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1271.55ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 97.4MB in the beginning and 164.3MB in the end (delta: -66.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1805.01ms. Allocated memory is still 197.1MB. Free memory was 164.3MB in the beginning and 86.7MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Witness Printer took 5.47ms. Allocated memory is still 197.1MB. Free memory was 86.7MB in the beginning and 85.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 128; [L23] unsigned char var_1_2 = 1; [L24] unsigned short int var_1_3 = 256; [L25] unsigned short int var_1_4 = 16; [L26] unsigned short int var_1_5 = 64; [L27] unsigned short int var_1_6 = 8; [L28] unsigned long int var_1_7 = 16; [L29] unsigned long int var_1_8 = 16; [L30] unsigned long int var_1_9 = 32; [L31] unsigned char var_1_10 = 16; [L32] unsigned char var_1_11 = 8; [L33] unsigned char var_1_12 = 64; [L34] unsigned char var_1_13 = 1; [L35] signed long int var_1_14 = -200; [L36] signed short int var_1_15 = 0; [L37] signed short int var_1_16 = 24637; [L38] signed short int var_1_17 = 100; [L39] unsigned char var_1_18 = 1; [L40] unsigned char var_1_19 = 1; [L41] signed long int var_1_20 = 10; [L42] signed long int var_1_21 = -256; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L95] var_1_2 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_3=256, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_3=256, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L97] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_3=256, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_3=256, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L98] var_1_3 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L100] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_4=16, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L101] var_1_4 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L103] CALL assume_abort_if_not(var_1_4 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_4 <= 65535) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_5=64, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L104] var_1_5 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L106] CALL assume_abort_if_not(var_1_5 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_5 <= 65535) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_6=8, var_1_7=16, var_1_8=16, var_1_9=32] [L107] var_1_6 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_8=16, var_1_9=32] [L109] CALL assume_abort_if_not(var_1_6 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_8=16, var_1_9=32] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_6 <= 65535) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_8=16, var_1_9=32] [L110] var_1_8 = __VERIFIER_nondet_ulong() [L111] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=32] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=32] [L112] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=32] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=32] [L113] var_1_9 = __VERIFIER_nondet_ulong() [L114] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16] [L115] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16] [L116] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, var_1_10=16, var_1_11=8, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L117] var_1_11 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=16, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L119] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=256, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, var_1_10=16, var_1_11=256, var_1_12=64, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L120] var_1_12 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=256, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=256, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L122] CALL assume_abort_if_not(var_1_12 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_12 <= 64) VAL [isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=1, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L123] var_1_13 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L125] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=24637, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L126] var_1_16 = __VERIFIER_nondet_short() [L127] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=32766, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=32766, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L128] CALL assume_abort_if_not(var_1_16 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=32766, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_16 <= 32766) VAL [isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=32766, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L129] var_1_19 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=32766, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=32766, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L131] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=32766, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=32766, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-256, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L132] var_1_21 = __VERIFIER_nondet_long() [L133] CALL assume_abort_if_not(var_1_21 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=32766, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-2147483647, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_21 >= -2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=32766, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-2147483647, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L134] CALL assume_abort_if_not(var_1_21 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=32766, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-2147483647, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_21 <= 2147483646) VAL [isInitial=1, var_1_10=16, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=-200, var_1_15=0, var_1_16=32766, var_1_17=100, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=10, var_1_21=-2147483647, var_1_2=0, var_1_7=16, var_1_9=4294967310] [L147] RET updateVariables() [L148] CALL step() [L46] COND FALSE !(\read(var_1_2)) [L51] unsigned short int stepLocal_1 = var_1_6; [L52] unsigned long int stepLocal_0 = var_1_8 + var_1_4; [L53] COND FALSE !(stepLocal_1 == var_1_3) [L60] unsigned long int stepLocal_2 = var_1_9; [L61] COND TRUE ((- var_1_7) + var_1_3) >= stepLocal_2 [L62] var_1_10 = (var_1_11 + (var_1_12 + var_1_13)) [L64] COND FALSE !(\read(var_1_2)) [L67] var_1_14 = 64 [L69] EXPR var_1_4 | var_1_9 [L69] EXPR ((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9)) [L69] unsigned long int stepLocal_3 = (((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9))); [L70] COND TRUE stepLocal_3 > var_1_13 [L71] var_1_15 = (((((var_1_13 + var_1_11)) > (var_1_12)) ? ((var_1_13 + var_1_11)) : (var_1_12))) [L75] unsigned short int stepLocal_6 = var_1_5; [L76] unsigned long int stepLocal_5 = var_1_7; [L77] unsigned char stepLocal_4 = var_1_13; [L78] COND FALSE !(stepLocal_4 > var_1_7) [L89] COND TRUE var_1_3 > var_1_12 [L90] var_1_18 = (! var_1_19) [L92] var_1_20 = var_1_21 [L148] RET step() [L149] CALL, EXPR property() [L139] EXPR ((((var_1_2 ? ((var_1_3 <= ((var_1_4 + var_1_5) + var_1_6)) ? (var_1_1 == ((signed long int) ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1) : 1) && ((var_1_6 == var_1_3) ? (((var_1_8 + var_1_4) > (var_1_1 % var_1_9)) ? (var_1_7 == ((unsigned long int) var_1_3)) : (var_1_7 == ((unsigned long int) var_1_4))) : 1)) && ((((- var_1_7) + var_1_3) >= var_1_9) ? (var_1_10 == ((unsigned char) (var_1_11 + (var_1_12 + var_1_13)))) : 1)) && (var_1_2 ? (var_1_14 == ((signed long int) var_1_12)) : (var_1_14 == ((signed long int) 64)))) && ((((((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9)))) > var_1_13) ? (var_1_15 == ((signed short int) (((((var_1_13 + var_1_11)) > (var_1_12)) ? ((var_1_13 + var_1_11)) : (var_1_12))))) : (var_1_15 == ((signed short int) (var_1_13 - ((((var_1_10) > ((var_1_16 - var_1_11))) ? (var_1_10) : ((var_1_16 - var_1_11)))))))) [L139] EXPR var_1_4 | var_1_9 [L139] EXPR ((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9)) [L139] EXPR var_1_4 | var_1_9 [L139] EXPR ((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9)) [L139] EXPR ((((var_1_2 ? ((var_1_3 <= ((var_1_4 + var_1_5) + var_1_6)) ? (var_1_1 == ((signed long int) ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1) : 1) && ((var_1_6 == var_1_3) ? (((var_1_8 + var_1_4) > (var_1_1 % var_1_9)) ? (var_1_7 == ((unsigned long int) var_1_3)) : (var_1_7 == ((unsigned long int) var_1_4))) : 1)) && ((((- var_1_7) + var_1_3) >= var_1_9) ? (var_1_10 == ((unsigned char) (var_1_11 + (var_1_12 + var_1_13)))) : 1)) && (var_1_2 ? (var_1_14 == ((signed long int) var_1_12)) : (var_1_14 == ((signed long int) 64)))) && ((((((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9)))) > var_1_13) ? (var_1_15 == ((signed short int) (((((var_1_13 + var_1_11)) > (var_1_12)) ? ((var_1_13 + var_1_11)) : (var_1_12))))) : (var_1_15 == ((signed short int) (var_1_13 - ((((var_1_10) > ((var_1_16 - var_1_11))) ? (var_1_10) : ((var_1_16 - var_1_11)))))))) [L139-L140] return (((((((var_1_2 ? ((var_1_3 <= ((var_1_4 + var_1_5) + var_1_6)) ? (var_1_1 == ((signed long int) ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1) : 1) && ((var_1_6 == var_1_3) ? (((var_1_8 + var_1_4) > (var_1_1 % var_1_9)) ? (var_1_7 == ((unsigned long int) var_1_3)) : (var_1_7 == ((unsigned long int) var_1_4))) : 1)) && ((((- var_1_7) + var_1_3) >= var_1_9) ? (var_1_10 == ((unsigned char) (var_1_11 + (var_1_12 + var_1_13)))) : 1)) && (var_1_2 ? (var_1_14 == ((signed long int) var_1_12)) : (var_1_14 == ((signed long int) 64)))) && ((((((var_1_7) > ((var_1_4 | var_1_9))) ? (var_1_7) : ((var_1_4 | var_1_9)))) > var_1_13) ? (var_1_15 == ((signed short int) (((((var_1_13 + var_1_11)) > (var_1_12)) ? ((var_1_13 + var_1_11)) : (var_1_12))))) : (var_1_15 == ((signed short int) (var_1_13 - ((((var_1_10) > ((var_1_16 - var_1_11))) ? (var_1_10) : ((var_1_16 - var_1_11))))))))) && ((var_1_13 > var_1_7) ? ((var_1_7 <= 32u) ? ((var_1_4 <= var_1_5) ? (var_1_17 == ((signed short int) var_1_16)) : (var_1_17 == ((signed short int) -50))) : (var_1_17 == ((signed short int) var_1_11))) : 1)) && ((var_1_3 > var_1_12) ? (var_1_18 == ((unsigned char) (! var_1_19))) : 1)) && (var_1_20 == ((signed long int) var_1_21)) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=28, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=64, var_1_15=14, var_1_16=32766, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=128, var_1_20=-2147483647, var_1_21=-2147483647, var_1_2=0, var_1_3=15, var_1_4=13, var_1_5=0, var_1_6=1, var_1_7=16, var_1_8=0, var_1_9=4294967310] [L19] reach_error() VAL [isInitial=1, var_1_10=28, var_1_11=256, var_1_12=14, var_1_13=14, var_1_14=64, var_1_15=14, var_1_16=32766, var_1_17=100, var_1_18=0, var_1_19=1, var_1_1=128, var_1_20=-2147483647, var_1_21=-2147483647, var_1_2=0, var_1_3=15, var_1_4=13, var_1_5=0, var_1_6=1, var_1_7=16, var_1_8=0, var_1_9=4294967310] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 27, 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: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 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 [2024-11-09 05:16:58,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje --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 f39f68f55c90deb8496cdc58f18787083a238252dfdfe92f73d39acb627ae3ba --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:17:01,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:17:01,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:17:01,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:17:01,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:17:01,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:17:01,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:17:01,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:17:01,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:17:01,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:17:01,530 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:17:01,531 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:17:01,531 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:17:01,532 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:17:01,532 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:17:01,533 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:17:01,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:17:01,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:17:01,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:17:01,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:17:01,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:17:01,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:17:01,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:17:01,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:17:01,541 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:17:01,541 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:17:01,541 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:17:01,542 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:17:01,542 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:17:01,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:17:01,542 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:17:01,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:17:01,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:17:01,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:17:01,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:17:01,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:17:01,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:17:01,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:17:01,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:17:01,546 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:17:01,546 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:17:01,547 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:17:01,548 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:17:01,548 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f39f68f55c90deb8496cdc58f18787083a238252dfdfe92f73d39acb627ae3ba [2024-11-09 05:17:01,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:17:02,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:17:02,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:17:02,015 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:17:02,016 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:17:02,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i Unable to find full path for "g++" [2024-11-09 05:17:04,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:17:04,765 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:17:04,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i [2024-11-09 05:17:04,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/data/af7cc64a9/e576fb8ed17d4d13969085deb7d86058/FLAGc7316f980 [2024-11-09 05:17:05,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/data/af7cc64a9/e576fb8ed17d4d13969085deb7d86058 [2024-11-09 05:17:05,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:17:05,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:17:05,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:17:05,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:17:05,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:17:05,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:05" (1/1) ... [2024-11-09 05:17:05,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301afa77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05, skipping insertion in model container [2024-11-09 05:17:05,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:05" (1/1) ... [2024-11-09 05:17:05,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:17:05,403 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_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i[917,930] [2024-11-09 05:17:05,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:17:05,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:17:05,545 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_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i[917,930] [2024-11-09 05:17:05,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:17:05,605 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:17:05,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05 WrapperNode [2024-11-09 05:17:05,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:17:05,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:17:05,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:17:05,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:17:05,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05" (1/1) ... [2024-11-09 05:17:05,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05" (1/1) ... [2024-11-09 05:17:05,671 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2024-11-09 05:17:05,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:17:05,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:17:05,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:17:05,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:17:05,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05" (1/1) ... [2024-11-09 05:17:05,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05" (1/1) ... [2024-11-09 05:17:05,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05" (1/1) ... [2024-11-09 05:17:05,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05" (1/1) ... [2024-11-09 05:17:05,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05" (1/1) ... [2024-11-09 05:17:05,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05" (1/1) ... [2024-11-09 05:17:05,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05" (1/1) ... [2024-11-09 05:17:05,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05" (1/1) ... [2024-11-09 05:17:05,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:17:05,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:17:05,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:17:05,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:17:05,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05" (1/1) ... [2024-11-09 05:17:05,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:17:05,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:17:05,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:17:05,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:17:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:17:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:17:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:17:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:17:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:17:05,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:17:05,970 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:17:05,974 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:17:06,568 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 05:17:06,569 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:17:06,592 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:17:06,592 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:17:06,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:06 BoogieIcfgContainer [2024-11-09 05:17:06,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:17:06,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:17:06,596 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:17:06,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:17:06,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:17:05" (1/3) ... [2024-11-09 05:17:06,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49630e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:17:06, skipping insertion in model container [2024-11-09 05:17:06,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:05" (2/3) ... [2024-11-09 05:17:06,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49630e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:17:06, skipping insertion in model container [2024-11-09 05:17:06,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:06" (3/3) ... [2024-11-09 05:17:06,605 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-34.i [2024-11-09 05:17:06,628 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:17:06,629 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:17:06,732 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:17:06,742 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;@87a8473, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:17:06,742 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:17:06,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 05:17:06,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-09 05:17:06,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:17:06,765 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:17:06,765 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:17:06,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:17:06,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1393728406, now seen corresponding path program 1 times [2024-11-09 05:17:06,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:17:06,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63034390] [2024-11-09 05:17:06,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:17:06,794 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 [2024-11-09 05:17:06,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:17:06,798 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:17:06,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:17:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:17:07,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:17:07,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:17:07,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2024-11-09 05:17:07,192 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:17:07,193 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:17:07,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [63034390] [2024-11-09 05:17:07,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [63034390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:17:07,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:17:07,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:17:07,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700592940] [2024-11-09 05:17:07,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:17:07,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:17:07,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:17:07,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:17:07,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:17:07,236 INFO L87 Difference]: Start difference. First operand has 75 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-09 05:17:07,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:17:07,278 INFO L93 Difference]: Finished difference Result 143 states and 251 transitions. [2024-11-09 05:17:07,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:17:07,281 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 169 [2024-11-09 05:17:07,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:17:07,291 INFO L225 Difference]: With dead ends: 143 [2024-11-09 05:17:07,292 INFO L226 Difference]: Without dead ends: 71 [2024-11-09 05:17:07,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:17:07,301 INFO L432 NwaCegarLoop]: 108 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, 108 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 [2024-11-09 05:17:07,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:17:07,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-09 05:17:07,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-09 05:17:07,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 05:17:07,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 108 transitions. [2024-11-09 05:17:07,381 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 108 transitions. Word has length 169 [2024-11-09 05:17:07,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:17:07,381 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 108 transitions. [2024-11-09 05:17:07,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-09 05:17:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2024-11-09 05:17:07,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-09 05:17:07,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:17:07,390 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:17:07,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:17:07,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:17:07,592 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:17:07,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:17:07,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1410874088, now seen corresponding path program 1 times [2024-11-09 05:17:07,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:17:07,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463477728] [2024-11-09 05:17:07,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:17:07,594 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 [2024-11-09 05:17:07,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:17:07,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:17:07,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:17:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:17:07,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 05:17:07,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:17:07,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-09 05:17:07,934 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:17:07,935 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:17:07,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463477728] [2024-11-09 05:17:07,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [463477728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:17:07,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:17:07,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:17:07,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022347541] [2024-11-09 05:17:07,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:17:07,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:17:07,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:17:07,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:17:07,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:17:07,948 INFO L87 Difference]: Start difference. First operand 71 states and 108 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-09 05:17:08,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:17:08,073 INFO L93 Difference]: Finished difference Result 161 states and 244 transitions. [2024-11-09 05:17:08,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:17:08,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2024-11-09 05:17:08,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:17:08,077 INFO L225 Difference]: With dead ends: 161 [2024-11-09 05:17:08,080 INFO L226 Difference]: Without dead ends: 93 [2024-11-09 05:17:08,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:17:08,086 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 25 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:17:08,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 207 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:17:08,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-09 05:17:08,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 77. [2024-11-09 05:17:08,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 05:17:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 117 transitions. [2024-11-09 05:17:08,119 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 117 transitions. Word has length 169 [2024-11-09 05:17:08,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:17:08,123 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 117 transitions. [2024-11-09 05:17:08,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-09 05:17:08,124 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2024-11-09 05:17:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-09 05:17:08,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:17:08,132 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:17:08,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 05:17:08,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:17:08,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:17:08,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:17:08,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2111938666, now seen corresponding path program 1 times [2024-11-09 05:17:08,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:17:08,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095325423] [2024-11-09 05:17:08,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:17:08,337 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 [2024-11-09 05:17:08,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:17:08,341 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:17:08,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d384e08-6d15-47b6-9b5b-e77ad4c29c9f/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:17:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:17:08,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 05:17:08,581 INFO L278 TraceCheckSpWp]: Computing forward predicates...