./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-58.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 a67dd3310743fdc349103d1f769cdb6ef76078c74113cf555b28c14b094cb98e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:19:14,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:19:14,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:19:14,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:19:14,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:19:14,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:19:14,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:19:14,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:19:14,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:19:14,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:19:14,641 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:19:14,641 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:19:14,642 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:19:14,643 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:19:14,644 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:19:14,644 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:19:14,646 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:19:14,649 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:19:14,649 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:19:14,650 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:19:14,650 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:19:14,651 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:19:14,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:19:14,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:19:14,652 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:19:14,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:19:14,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:19:14,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:19:14,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:19:14,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:19:14,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:19:14,654 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:19:14,655 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:19:14,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:19:14,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:19:14,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:19:14,656 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:19:14,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:19:14,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:19:14,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:19:14,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:19:14,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:19:14,658 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:19:14,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:19:14,658 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:19:14,659 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:19:14,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:19:14,659 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_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a67dd3310743fdc349103d1f769cdb6ef76078c74113cf555b28c14b094cb98e [2024-11-09 05:19:14,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:19:14,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:19:14,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:19:14,947 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:19:14,948 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:19:14,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-58.i Unable to find full path for "g++" [2024-11-09 05:19:16,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:19:17,139 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:19:17,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-58.i [2024-11-09 05:19:17,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/data/49219ad56/2cbbd4de26204d229ede62a4318d9f21/FLAG38fc452e7 [2024-11-09 05:19:17,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/data/49219ad56/2cbbd4de26204d229ede62a4318d9f21 [2024-11-09 05:19:17,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:19:17,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:19:17,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:19:17,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:19:17,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:19:17,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:19:17" (1/1) ... [2024-11-09 05:19:17,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b09014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17, skipping insertion in model container [2024-11-09 05:19:17,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:19:17" (1/1) ... [2024-11-09 05:19:17,221 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:19:17,395 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_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-58.i[919,932] [2024-11-09 05:19:17,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:19:17,515 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:19:17,527 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_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-58.i[919,932] [2024-11-09 05:19:17,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:19:17,608 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:19:17,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17 WrapperNode [2024-11-09 05:19:17,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:19:17,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:19:17,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:19:17,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:19:17,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17" (1/1) ... [2024-11-09 05:19:17,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17" (1/1) ... [2024-11-09 05:19:17,683 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2024-11-09 05:19:17,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:19:17,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:19:17,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:19:17,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:19:17,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17" (1/1) ... [2024-11-09 05:19:17,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17" (1/1) ... [2024-11-09 05:19:17,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17" (1/1) ... [2024-11-09 05:19:17,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17" (1/1) ... [2024-11-09 05:19:17,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17" (1/1) ... [2024-11-09 05:19:17,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17" (1/1) ... [2024-11-09 05:19:17,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17" (1/1) ... [2024-11-09 05:19:17,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17" (1/1) ... [2024-11-09 05:19:17,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:19:17,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:19:17,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:19:17,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:19:17,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17" (1/1) ... [2024-11-09 05:19:17,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:19:17,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:19:17,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:19:17,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:19:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:19:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:19:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:19:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:19:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:19:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:19:17,942 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:19:17,945 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:19:18,485 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 05:19:18,485 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:19:18,857 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:19:18,858 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:19:18,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:19:18 BoogieIcfgContainer [2024-11-09 05:19:18,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:19:18,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:19:18,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:19:18,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:19:18,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:19:17" (1/3) ... [2024-11-09 05:19:18,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269e8039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:19:18, skipping insertion in model container [2024-11-09 05:19:18,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:17" (2/3) ... [2024-11-09 05:19:18,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269e8039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:19:18, skipping insertion in model container [2024-11-09 05:19:18,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:19:18" (3/3) ... [2024-11-09 05:19:18,870 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-58.i [2024-11-09 05:19:18,888 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:19:18,889 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:19:18,966 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:19:18,974 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;@3c443e7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:19:18,974 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:19:18,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 05:19:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 05:19:18,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:19:18,991 INFO L215 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:19:18,992 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:19:18,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:19:18,999 INFO L85 PathProgramCache]: Analyzing trace with hash 845162861, now seen corresponding path program 1 times [2024-11-09 05:19:19,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:19:19,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740980954] [2024-11-09 05:19:19,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:19:19,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:19:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:19:19,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1354087202] [2024-11-09 05:19:19,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:19:19,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:19:19,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:19:19,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:19:19,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:19:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:19:20,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:19:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:19:20,392 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:19:20,394 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:19:20,396 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:19:20,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:19:20,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 05:19:20,601 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:19:20,703 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:19:20,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:19:20 BoogieIcfgContainer [2024-11-09 05:19:20,706 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:19:20,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:19:20,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:19:20,707 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:19:20,708 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:19:18" (3/4) ... [2024-11-09 05:19:20,710 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:19:20,711 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:19:20,712 INFO L158 Benchmark]: Toolchain (without parser) took 3539.74ms. Allocated memory is still 195.0MB. Free memory was 152.4MB in the beginning and 109.8MB in the end (delta: 42.5MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2024-11-09 05:19:20,713 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:19:20,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.88ms. Allocated memory is still 195.0MB. Free memory was 152.4MB in the beginning and 134.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 05:19:20,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.72ms. Allocated memory is still 195.0MB. Free memory was 134.9MB in the beginning and 130.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:19:20,718 INFO L158 Benchmark]: Boogie Preprocessor took 43.01ms. Allocated memory is still 195.0MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:19:20,718 INFO L158 Benchmark]: RCFGBuilder took 1131.15ms. Allocated memory is still 195.0MB. Free memory was 128.0MB in the beginning and 124.5MB in the end (delta: 3.5MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-11-09 05:19:20,719 INFO L158 Benchmark]: TraceAbstraction took 1844.50ms. Allocated memory is still 195.0MB. Free memory was 123.5MB in the beginning and 110.9MB in the end (delta: 12.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-09 05:19:20,719 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 195.0MB. Free memory was 110.9MB in the beginning and 109.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:19:20,722 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.88ms. Allocated memory is still 195.0MB. Free memory was 152.4MB in the beginning and 134.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.72ms. Allocated memory is still 195.0MB. Free memory was 134.9MB in the beginning and 130.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.01ms. Allocated memory is still 195.0MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1131.15ms. Allocated memory is still 195.0MB. Free memory was 128.0MB in the beginning and 124.5MB in the end (delta: 3.5MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1844.50ms. Allocated memory is still 195.0MB. Free memory was 123.5MB in the beginning and 110.9MB in the end (delta: 12.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 195.0MB. Free memory was 110.9MB in the beginning and 109.8MB 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 someBinaryFLOATComparisonOperation at line 186, overapproximation of bitwiseOr at line 115, overapproximation of bitwiseAnd at line 108. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_3 = 16; [L24] unsigned char var_1_5 = 200; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 0; [L29] signed short int var_1_10 = 128; [L30] signed short int var_1_11 = 5; [L31] signed char var_1_12 = -2; [L32] signed char var_1_13 = -32; [L33] signed char var_1_14 = 2; [L34] signed char var_1_15 = 25; [L35] signed char var_1_16 = 1; [L36] signed char var_1_17 = 0; [L37] signed long int var_1_18 = -16; [L38] float var_1_19 = 2.775; [L39] unsigned long int var_1_20 = 2381110720; [L40] float var_1_21 = 10000000000000.5; [L41] unsigned char var_1_22 = 1; [L42] unsigned char var_1_24 = 0; [L43] unsigned long int var_1_25 = 256; [L44] signed char var_1_30 = -128; [L45] unsigned short int var_1_33 = 0; [L46] signed short int var_1_34 = -10; [L47] signed short int var_1_35 = -16; [L48] signed char var_1_37 = -10; [L49] signed char var_1_38 = 16; [L50] unsigned short int var_1_39 = 4; [L51] signed short int last_1_var_1_10 = 128; [L52] signed short int last_1_var_1_11 = 5; [L53] signed char last_1_var_1_15 = 25; [L190] isInitial = 1 [L191] FCALL initially() [L192] COND TRUE 1 [L193] CALL updateLastVariables() [L181] last_1_var_1_10 = var_1_10 [L182] last_1_var_1_11 = var_1_11 [L183] last_1_var_1_15 = var_1_15 [L193] RET updateLastVariables() [L194] CALL updateVariables() [L140] var_1_3 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L142] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L143] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L144] var_1_5 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L146] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L147] var_1_6 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_7=0, var_1_8=0, var_1_9=0] [L149] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=0, var_1_8=0, var_1_9=0] [L150] var_1_7 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_8=0, var_1_9=0] [L152] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=0, var_1_9=0] [L153] var_1_8 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_9=0] [L155] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=0] [L156] var_1_9 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1] [L158] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L159] var_1_13 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L161] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L162] var_1_14 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_14 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_14 >= -127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L164] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L165] var_1_16 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L167] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L168] var_1_17 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L170] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L171] var_1_20 = __VERIFIER_nondet_ulong() [L172] CALL assume_abort_if_not(var_1_20 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_20 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L173] CALL assume_abort_if_not(var_1_20 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_20 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_21=20000000000001/2, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L174] var_1_21 = __VERIFIER_nondet_float() [L175] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L176] var_1_24 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_22=1, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_22=1, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L178] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=16, var_1_14=0, var_1_15=25, var_1_16=16, var_1_17=33, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-2147483649, var_1_22=1, var_1_24=0, var_1_25=256, var_1_30=-128, var_1_33=0, var_1_34=-10, var_1_35=-16, var_1_37=-10, var_1_38=16, var_1_39=4, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L194] RET updateVariables() [L195] CALL step() [L57] COND FALSE !((last_1_var_1_15 / var_1_3) <= 2) [L68] var_1_1 = var_1_5 [L70] unsigned char stepLocal_0 = var_1_1; [L71] COND FALSE !(var_1_3 <= stepLocal_0) [L74] var_1_12 = ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))) [L75] COND TRUE \read(var_1_7) [L76] var_1_15 = (((((32) < ((16 + var_1_16))) ? (32) : ((16 + var_1_16)))) - var_1_17) [L78] signed char stepLocal_2 = var_1_16; [L79] COND TRUE stepLocal_2 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3))) [L80] var_1_18 = (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))) [L84] COND TRUE 100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_15) [L85] COND TRUE var_1_20 > 1u [L86] COND TRUE \read(var_1_9) [L87] var_1_19 = var_1_21 [L95] signed long int stepLocal_1 = ((((var_1_15) < (var_1_10)) ? (var_1_15) : (var_1_10))) + var_1_5; [L96] COND FALSE !(last_1_var_1_11 >= stepLocal_1) [L99] COND TRUE \read(var_1_8) [L100] var_1_11 = var_1_3 [L103] COND TRUE 256 != var_1_3 [L104] var_1_22 = ((! 1) || var_1_24) [L106] COND TRUE (var_1_3 / var_1_3) <= var_1_3 [L107] COND FALSE !((~ (var_1_16 - var_1_17)) < var_1_3) [L115] EXPR var_1_3 ^ (~ var_1_5) [L115] COND TRUE var_1_10 > (var_1_3 ^ (~ var_1_5)) [L116] var_1_30 = (var_1_16 - var_1_16) [L120] COND TRUE (var_1_13 / var_1_20) <= var_1_17 [L121] var_1_33 = 2 [L125] EXPR var_1_3 & 64 [L125] COND TRUE (~ (var_1_3 & 64)) <= var_1_10 [L126] COND FALSE !(\read(var_1_24)) [L130] COND TRUE \read(var_1_9) [L131] var_1_35 = (((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) < 0 ) ? -((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) : ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) [L135] var_1_37 = var_1_16 [L136] var_1_38 = var_1_16 [L137] var_1_39 = var_1_17 [L195] RET step() [L196] CALL, EXPR property() [L186-L187] return ((((((((last_1_var_1_15 / var_1_3) <= 2) ? ((var_1_3 < (((((~ last_1_var_1_15)) < (last_1_var_1_10)) ? ((~ last_1_var_1_15)) : (last_1_var_1_10)))) ? (var_1_1 == ((unsigned char) ((((var_1_5) < (16)) ? (var_1_5) : (16))))) : ((((var_1_6 || var_1_7) && var_1_8) || var_1_9) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_5)))) : (var_1_1 == ((unsigned char) var_1_5))) && ((var_1_3 <= var_1_1) ? (var_1_10 == ((signed short int) ((((var_1_5) < (var_1_3)) ? (var_1_5) : (var_1_3))))) : 1)) && ((last_1_var_1_11 >= (((((var_1_15) < (var_1_10)) ? (var_1_15) : (var_1_10))) + var_1_5)) ? (var_1_11 == ((signed short int) ((var_1_5 + var_1_15) + var_1_3))) : (var_1_8 ? (var_1_11 == ((signed short int) var_1_3)) : 1))) && (var_1_12 == ((signed char) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) && (var_1_7 ? (var_1_15 == ((signed char) (((((32) < ((16 + var_1_16))) ? (32) : ((16 + var_1_16)))) - var_1_17))) : 1)) && ((var_1_16 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3)))) ? (var_1_18 == ((signed long int) (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))))) : (var_1_18 == ((signed long int) 4)))) && ((100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_15)) ? ((var_1_20 > 1u) ? (var_1_9 ? (var_1_19 == ((float) var_1_21)) : (var_1_19 == ((float) var_1_21))) : (var_1_19 == ((float) var_1_21))) : 1) ; [L196] RET, EXPR property() [L196] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=8, var_1_12=0, var_1_13=16, var_1_14=0, var_1_15=-1, var_1_16=16, var_1_17=33, var_1_18=48, var_1_19=2, var_1_1=7, var_1_20=-2147483649, var_1_21=2, var_1_22=0, var_1_24=0, var_1_25=256, var_1_30=0, var_1_33=2, var_1_34=-10, var_1_35=33, var_1_37=16, var_1_38=16, var_1_39=33, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=8, var_1_12=0, var_1_13=16, var_1_14=0, var_1_15=-1, var_1_16=16, var_1_17=33, var_1_18=48, var_1_19=2, var_1_1=7, var_1_20=-2147483649, var_1_21=2, var_1_22=0, var_1_24=0, var_1_25=256, var_1_30=0, var_1_33=2, var_1_34=-10, var_1_35=33, var_1_37=16, var_1_38=16, var_1_39=33, var_1_3=8, var_1_5=7, var_1_6=-255, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 26, 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=48occurred 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, 190 NumberOfCodeBlocks, 190 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 05:19:20,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 a67dd3310743fdc349103d1f769cdb6ef76078c74113cf555b28c14b094cb98e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:19:23,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:19:23,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:19:23,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:19:23,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:19:23,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:19:23,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:19:23,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:19:23,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:19:23,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:19:23,426 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:19:23,427 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:19:23,427 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:19:23,427 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:19:23,428 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:19:23,428 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:19:23,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:19:23,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:19:23,433 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:19:23,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:19:23,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:19:23,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:19:23,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:19:23,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:19:23,434 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:19:23,435 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:19:23,435 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:19:23,435 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:19:23,435 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:19:23,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:19:23,436 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:19:23,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:19:23,436 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:19:23,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:19:23,437 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:19:23,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:19:23,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:19:23,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:19:23,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:19:23,440 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:19:23,441 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:19:23,442 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:19:23,443 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:19:23,443 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_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a67dd3310743fdc349103d1f769cdb6ef76078c74113cf555b28c14b094cb98e [2024-11-09 05:19:23,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:19:23,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:19:23,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:19:23,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:19:23,833 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:19:23,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-58.i Unable to find full path for "g++" [2024-11-09 05:19:25,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:19:26,148 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:19:26,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-58.i [2024-11-09 05:19:26,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/data/105f72548/57a96ff608084625852fc1c826a8e972/FLAG9895807a6 [2024-11-09 05:19:26,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/data/105f72548/57a96ff608084625852fc1c826a8e972 [2024-11-09 05:19:26,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:19:26,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:19:26,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:19:26,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:19:26,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:19:26,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:19:26" (1/1) ... [2024-11-09 05:19:26,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1543a34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26, skipping insertion in model container [2024-11-09 05:19:26,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:19:26" (1/1) ... [2024-11-09 05:19:26,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:19:26,456 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_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-58.i[919,932] [2024-11-09 05:19:26,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:19:26,584 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:19:26,601 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_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-58.i[919,932] [2024-11-09 05:19:26,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:19:26,705 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:19:26,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26 WrapperNode [2024-11-09 05:19:26,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:19:26,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:19:26,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:19:26,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:19:26,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26" (1/1) ... [2024-11-09 05:19:26,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26" (1/1) ... [2024-11-09 05:19:26,802 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2024-11-09 05:19:26,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:19:26,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:19:26,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:19:26,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:19:26,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26" (1/1) ... [2024-11-09 05:19:26,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26" (1/1) ... [2024-11-09 05:19:26,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26" (1/1) ... [2024-11-09 05:19:26,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26" (1/1) ... [2024-11-09 05:19:26,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26" (1/1) ... [2024-11-09 05:19:26,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26" (1/1) ... [2024-11-09 05:19:26,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26" (1/1) ... [2024-11-09 05:19:26,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26" (1/1) ... [2024-11-09 05:19:26,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:19:26,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:19:26,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:19:26,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:19:26,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26" (1/1) ... [2024-11-09 05:19:26,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:19:26,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:19:26,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:19:26,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:19:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:19:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:19:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:19:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:19:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:19:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:19:27,058 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:19:27,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:19:27,606 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 05:19:27,606 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:19:27,621 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:19:27,622 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:19:27,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:19:27 BoogieIcfgContainer [2024-11-09 05:19:27,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:19:27,628 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:19:27,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:19:27,636 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:19:27,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:19:26" (1/3) ... [2024-11-09 05:19:27,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380044ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:19:27, skipping insertion in model container [2024-11-09 05:19:27,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:19:26" (2/3) ... [2024-11-09 05:19:27,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380044ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:19:27, skipping insertion in model container [2024-11-09 05:19:27,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:19:27" (3/3) ... [2024-11-09 05:19:27,639 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-58.i [2024-11-09 05:19:27,658 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:19:27,658 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:19:27,722 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:19:27,727 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;@6a6202b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:19:27,727 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:19:27,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 05:19:27,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-09 05:19:27,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:19:27,751 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:19:27,751 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:19:27,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:19:27,756 INFO L85 PathProgramCache]: Analyzing trace with hash -13369648, now seen corresponding path program 1 times [2024-11-09 05:19:27,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:19:27,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367953847] [2024-11-09 05:19:27,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:19:27,772 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 05:19:27,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:19:27,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 05:19:27,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 05:19:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:19:28,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:19:28,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:19:28,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2024-11-09 05:19:28,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:19:28,230 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:19:28,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367953847] [2024-11-09 05:19:28,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367953847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:19:28,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:19:28,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:19:28,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570424983] [2024-11-09 05:19:28,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:19:28,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:19:28,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:19:28,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:19:28,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:19:28,264 INFO L87 Difference]: Start difference. First operand has 83 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 05:19:28,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:19:28,296 INFO L93 Difference]: Finished difference Result 159 states and 282 transitions. [2024-11-09 05:19:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:19:28,298 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2024-11-09 05:19:28,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:19:28,307 INFO L225 Difference]: With dead ends: 159 [2024-11-09 05:19:28,307 INFO L226 Difference]: Without dead ends: 79 [2024-11-09 05:19:28,311 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 05:19:28,315 INFO L432 NwaCegarLoop]: 122 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, 122 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 05:19:28,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:19:28,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-09 05:19:28,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-09 05:19:28,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 51 states have internal predecessors, (70), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 05:19:28,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 122 transitions. [2024-11-09 05:19:28,365 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 122 transitions. Word has length 169 [2024-11-09 05:19:28,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:19:28,366 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 122 transitions. [2024-11-09 05:19:28,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 05:19:28,367 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2024-11-09 05:19:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-09 05:19:28,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:19:28,371 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:19:28,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 05:19:28,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 05:19:28,572 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:19:28,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:19:28,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1637465330, now seen corresponding path program 1 times [2024-11-09 05:19:28,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:19:28,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410300160] [2024-11-09 05:19:28,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:19:28,575 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 05:19:28,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:19:28,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 05:19:28,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 05:19:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:19:28,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 05:19:28,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:19:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-09 05:19:29,323 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:19:29,324 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:19:29,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410300160] [2024-11-09 05:19:29,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410300160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:19:29,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:19:29,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:19:29,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717025542] [2024-11-09 05:19:29,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:19:29,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:19:29,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:19:29,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:19:29,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:19:29,329 INFO L87 Difference]: Start difference. First operand 79 states and 122 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-09 05:19:29,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:19:29,603 INFO L93 Difference]: Finished difference Result 183 states and 283 transitions. [2024-11-09 05:19:29,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:19:29,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-11-09 05:19:29,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:19:29,607 INFO L225 Difference]: With dead ends: 183 [2024-11-09 05:19:29,607 INFO L226 Difference]: Without dead ends: 107 [2024-11-09 05:19:29,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 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 05:19:29,618 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 27 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:19:29,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 212 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:19:29,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-09 05:19:29,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 96. [2024-11-09 05:19:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 68 states have internal predecessors, (97), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 05:19:29,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 149 transitions. [2024-11-09 05:19:29,633 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 149 transitions. Word has length 170 [2024-11-09 05:19:29,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:19:29,636 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 149 transitions. [2024-11-09 05:19:29,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-09 05:19:29,636 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 149 transitions. [2024-11-09 05:19:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-09 05:19:29,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:19:29,639 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:19:29,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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)] Forceful destruction successful, exit code 0 [2024-11-09 05:19:29,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 05:19:29,840 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:19:29,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:19:29,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1839853516, now seen corresponding path program 1 times [2024-11-09 05:19:29,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:19:29,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111884416] [2024-11-09 05:19:29,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:19:29,842 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 05:19:29,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:19:29,846 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 05:19:29,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 05:19:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:19:30,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 05:19:30,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:19:30,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-09 05:19:30,622 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:19:30,623 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:19:30,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111884416] [2024-11-09 05:19:30,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111884416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:19:30,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:19:30,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:19:30,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466638050] [2024-11-09 05:19:30,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:19:30,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:19:30,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:19:30,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:19:30,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:19:30,627 INFO L87 Difference]: Start difference. First operand 96 states and 149 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-09 05:19:30,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:19:30,721 INFO L93 Difference]: Finished difference Result 265 states and 414 transitions. [2024-11-09 05:19:30,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:19:30,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-11-09 05:19:30,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:19:30,725 INFO L225 Difference]: With dead ends: 265 [2024-11-09 05:19:30,726 INFO L226 Difference]: Without dead ends: 172 [2024-11-09 05:19:30,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 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 05:19:30,728 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 31 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:19:30,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 266 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:19:30,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-09 05:19:30,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 170. [2024-11-09 05:19:30,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 115 states have (on average 1.4) internal successors, (161), 115 states have internal predecessors, (161), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 05:19:30,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 265 transitions. [2024-11-09 05:19:30,761 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 265 transitions. Word has length 170 [2024-11-09 05:19:30,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:19:30,762 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 265 transitions. [2024-11-09 05:19:30,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-09 05:19:30,763 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 265 transitions. [2024-11-09 05:19:30,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-09 05:19:30,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:19:30,766 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:19:30,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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)] Ended with exit code 0 [2024-11-09 05:19:30,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 05:19:30,967 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:19:30,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:19:30,968 INFO L85 PathProgramCache]: Analyzing trace with hash 206577006, now seen corresponding path program 1 times [2024-11-09 05:19:30,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:19:30,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [323818944] [2024-11-09 05:19:30,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:19:30,969 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 05:19:30,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:19:30,974 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 05:19:30,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 (5)] Waiting until timeout for monitored process [2024-11-09 05:19:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:19:31,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:19:31,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:19:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-09 05:19:31,347 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:19:31,347 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:19:31,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [323818944] [2024-11-09 05:19:31,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [323818944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:19:31,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:19:31,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:19:31,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94803912] [2024-11-09 05:19:31,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:19:31,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:19:31,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:19:31,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:19:31,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:19:31,356 INFO L87 Difference]: Start difference. First operand 170 states and 265 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-09 05:19:31,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:19:31,709 INFO L93 Difference]: Finished difference Result 353 states and 541 transitions. [2024-11-09 05:19:31,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 05:19:31,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-11-09 05:19:31,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:19:31,712 INFO L225 Difference]: With dead ends: 353 [2024-11-09 05:19:31,713 INFO L226 Difference]: Without dead ends: 186 [2024-11-09 05:19:31,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:19:31,715 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 78 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:19:31,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 221 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:19:31,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-09 05:19:31,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 178. [2024-11-09 05:19:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 121 states have (on average 1.3636363636363635) internal successors, (165), 121 states have internal predecessors, (165), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 05:19:31,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 269 transitions. [2024-11-09 05:19:31,755 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 269 transitions. Word has length 171 [2024-11-09 05:19:31,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:19:31,756 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 269 transitions. [2024-11-09 05:19:31,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-09 05:19:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 269 transitions. [2024-11-09 05:19:31,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-09 05:19:31,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:19:31,759 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:19:31,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:19:31,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 05:19:31,960 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:19:31,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:19:31,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1981584368, now seen corresponding path program 1 times [2024-11-09 05:19:31,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:19:31,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [355326611] [2024-11-09 05:19:31,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:19:31,963 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 05:19:31,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:19:31,967 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 05:19:31,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/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 (6)] Waiting until timeout for monitored process [2024-11-09 05:19:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:19:32,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:19:32,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:19:32,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 403 proven. 12 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2024-11-09 05:19:32,360 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:19:32,522 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:19:32,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [355326611] [2024-11-09 05:19:32,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [355326611] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:19:32,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [178785380] [2024-11-09 05:19:32,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:19:32,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:19:32,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:19:32,532 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:19:32,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccb220a-82d6-4e1b-b8f8-3d2d850363d5/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 05:19:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:19:33,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 05:19:33,541 INFO L278 TraceCheckSpWp]: Computing forward predicates...