./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-58.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX --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 aebb37500dc668a05af62617a20988760605c85011722d37da8580f79d2f9b7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:58:49,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:58:49,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:58:49,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:58:49,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:58:49,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:58:49,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:58:49,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:58:49,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:58:49,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:58:49,411 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:58:49,413 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:58:49,413 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:58:49,415 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:58:49,415 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:58:49,416 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:58:49,416 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:58:49,416 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:58:49,417 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:58:49,417 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:58:49,418 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:58:49,418 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:58:49,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:58:49,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:58:49,420 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:58:49,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:58:49,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:58:49,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:58:49,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:58:49,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:58:49,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:58:49,424 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:58:49,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:58:49,425 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:58:49,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:58:49,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:58:49,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:49,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:58:49,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:58:49,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:58:49,426 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:58:49,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:58:49,427 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:58:49,427 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:58:49,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:58:49,428 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_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aebb37500dc668a05af62617a20988760605c85011722d37da8580f79d2f9b7f [2023-11-12 00:58:49,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:58:49,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:58:49,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:58:49,770 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:58:49,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:58:49,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-58.i [2023-11-12 00:58:52,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:58:53,132 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:58:53,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-58.i [2023-11-12 00:58:53,149 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/data/9bcab0f09/4f586585590344b49c3f3d309a8cfa16/FLAGf34232196 [2023-11-12 00:58:53,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/data/9bcab0f09/4f586585590344b49c3f3d309a8cfa16 [2023-11-12 00:58:53,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:58:53,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:58:53,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:53,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:58:53,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:58:53,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:53" (1/1) ... [2023-11-12 00:58:53,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a47ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53, skipping insertion in model container [2023-11-12 00:58:53,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:53" (1/1) ... [2023-11-12 00:58:53,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:58:53,393 WARN L240 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_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-58.i[919,932] [2023-11-12 00:58:53,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:53,489 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:58:53,501 WARN L240 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_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-58.i[919,932] [2023-11-12 00:58:53,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:53,563 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:58:53,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53 WrapperNode [2023-11-12 00:58:53,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:53,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:53,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:58:53,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:58:53,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53" (1/1) ... [2023-11-12 00:58:53,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53" (1/1) ... [2023-11-12 00:58:53,641 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 225 [2023-11-12 00:58:53,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:53,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:58:53,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:58:53,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:58:53,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53" (1/1) ... [2023-11-12 00:58:53,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53" (1/1) ... [2023-11-12 00:58:53,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53" (1/1) ... [2023-11-12 00:58:53,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53" (1/1) ... [2023-11-12 00:58:53,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53" (1/1) ... [2023-11-12 00:58:53,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53" (1/1) ... [2023-11-12 00:58:53,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53" (1/1) ... [2023-11-12 00:58:53,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53" (1/1) ... [2023-11-12 00:58:53,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:58:53,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:58:53,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:58:53,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:58:53,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53" (1/1) ... [2023-11-12 00:58:53,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:53,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:58:53,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:58:53,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:58:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:58:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:58:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:58:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:58:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:58:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:58:53,948 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:58:53,950 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:58:54,447 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:58:54,935 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:58:54,936 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:58:54,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:54 BoogieIcfgContainer [2023-11-12 00:58:54,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:58:54,943 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:58:54,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:58:54,946 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:58:54,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:58:53" (1/3) ... [2023-11-12 00:58:54,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a4f25e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:54, skipping insertion in model container [2023-11-12 00:58:54,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:53" (2/3) ... [2023-11-12 00:58:54,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a4f25e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:54, skipping insertion in model container [2023-11-12 00:58:54,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:54" (3/3) ... [2023-11-12 00:58:54,951 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-58.i [2023-11-12 00:58:54,970 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:58:54,970 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:58:55,038 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:58:55,048 INFO L357 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, mHoare=true, 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;@ce81567, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:58:55,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:58:55,054 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) [2023-11-12 00:58:55,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-12 00:58:55,065 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:55,065 INFO L195 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] [2023-11-12 00:58:55,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:55,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:55,070 INFO L85 PathProgramCache]: Analyzing trace with hash -237695064, now seen corresponding path program 1 times [2023-11-12 00:58:55,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:58:55,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452103233] [2023-11-12 00:58:55,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:55,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:58:55,348 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:58:55,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1240394106] [2023-11-12 00:58:55,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:55,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:58:55,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:58:55,353 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:58:55,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:58:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:58:55,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:58:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:58:56,158 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:58:56,161 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:58:56,162 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:58:56,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:58:56,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:58:56,375 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:58:56,378 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:58:56,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:58:56 BoogieIcfgContainer [2023-11-12 00:58:56,555 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:58:56,556 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:58:56,556 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:58:56,557 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:58:56,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:54" (3/4) ... [2023-11-12 00:58:56,559 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:58:56,560 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:58:56,562 INFO L158 Benchmark]: Toolchain (without parser) took 3384.90ms. Allocated memory is still 161.5MB. Free memory was 130.1MB in the beginning and 91.1MB in the end (delta: 38.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2023-11-12 00:58:56,562 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:58:56,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.81ms. Allocated memory is still 161.5MB. Free memory was 129.8MB in the beginning and 114.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:58:56,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.02ms. Allocated memory is still 161.5MB. Free memory was 114.7MB in the beginning and 109.9MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:58:56,564 INFO L158 Benchmark]: Boogie Preprocessor took 57.78ms. Allocated memory is still 161.5MB. Free memory was 109.9MB in the beginning and 107.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:58:56,565 INFO L158 Benchmark]: RCFGBuilder took 1237.90ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 81.8MB in the end (delta: 25.7MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-11-12 00:58:56,566 INFO L158 Benchmark]: TraceAbstraction took 1612.93ms. Allocated memory is still 161.5MB. Free memory was 81.2MB in the beginning and 92.1MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:58:56,566 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 161.5MB. Free memory was 92.1MB in the beginning and 91.1MB in the end (delta: 908.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:58:56,570 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.81ms. Allocated memory is still 161.5MB. Free memory was 129.8MB in the beginning and 114.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.02ms. Allocated memory is still 161.5MB. Free memory was 114.7MB in the beginning and 109.9MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.78ms. Allocated memory is still 161.5MB. Free memory was 109.9MB in the beginning and 107.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1237.90ms. Allocated memory is still 161.5MB. Free memory was 107.5MB in the beginning and 81.8MB in the end (delta: 25.7MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1612.93ms. Allocated memory is still 161.5MB. Free memory was 81.2MB in the beginning and 92.1MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 161.5MB. Free memory was 92.1MB in the beginning and 91.1MB in the end (delta: 908.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 186, overapproximation of bitwiseOr at line 69, overapproximation of bitwiseAnd at line 62. 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=2, 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=2, 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=2, var_1_5=1, 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=2, var_1_5=1, 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=2, var_1_5=1, 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=2, var_1_5=1, 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=2, var_1_5=1, var_1_6=0, 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=2, var_1_5=1, var_1_6=0, 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=2, var_1_5=1, var_1_6=0, 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=2, var_1_5=1, var_1_6=0, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=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=2, var_1_5=1, var_1_6=0, var_1_7=0, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, 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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, var_1_21=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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, var_1_21=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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, var_1_21=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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, var_1_21=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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, var_1_21=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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [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=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2147483647, var_1_21=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=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L194] RET updateVariables() [L195] CALL step() [L57] COND TRUE 256 != var_1_3 [L58] var_1_22 = ((! 1) || var_1_24) [L60] COND TRUE (var_1_3 / var_1_3) <= var_1_3 [L61] COND TRUE (~ (var_1_16 - var_1_17)) < var_1_3 [L62] EXPR var_1_17 & var_1_3 [L62] COND TRUE ((10 + var_1_16) <= (var_1_17 & var_1_3)) || var_1_8 [L63] var_1_25 = var_1_17 [L69] EXPR var_1_3 ^ (~ var_1_5) [L69] COND TRUE var_1_10 > (var_1_3 ^ (~ var_1_5)) [L70] var_1_30 = (var_1_16 - var_1_16) [L74] COND TRUE (var_1_13 / var_1_20) <= var_1_17 [L75] var_1_33 = 2 [L79] EXPR var_1_3 & 64 [L79] COND TRUE (~ (var_1_3 & 64)) <= var_1_10 [L80] COND FALSE !(\read(var_1_24)) [L84] COND FALSE !(\read(var_1_9)) [L87] var_1_35 = (((((var_1_17) > (var_1_17)) ? (var_1_17) : (var_1_17))) - var_1_5) [L89] var_1_37 = var_1_16 [L90] var_1_38 = var_1_16 [L91] var_1_39 = var_1_17 [L92] COND FALSE !((last_1_var_1_15 / var_1_3) <= 2) [L103] var_1_1 = var_1_5 [L105] unsigned char stepLocal_0 = var_1_1; [L106] COND FALSE !(var_1_3 <= stepLocal_0) [L109] var_1_12 = ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))) [L110] COND FALSE !(\read(var_1_7)) [L113] signed char stepLocal_2 = var_1_16; [L114] COND TRUE stepLocal_2 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3))) [L115] var_1_18 = (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))) [L119] COND TRUE 100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_15) [L120] COND TRUE var_1_20 > 1u [L121] COND FALSE !(\read(var_1_9)) [L124] var_1_19 = var_1_21 [L130] signed long int stepLocal_1 = ((((var_1_15) < (var_1_10)) ? (var_1_15) : (var_1_10))) + var_1_5; [L131] COND FALSE !(last_1_var_1_11 >= stepLocal_1) [L134] COND TRUE \read(var_1_8) [L135] var_1_11 = var_1_3 [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 [\old(cond)=0, cond=0, 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=2, var_1_12=0, var_1_13=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, var_1_18=3, var_1_19=2, var_1_1=1, var_1_20=2147483647, var_1_21=2, var_1_22=0, var_1_24=0, var_1_25=3, var_1_30=0, var_1_33=2, var_1_34=-10, var_1_35=2, var_1_37=61, var_1_38=61, var_1_39=3, var_1_3=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, 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=2, var_1_12=0, var_1_13=61, var_1_14=0, var_1_15=25, var_1_16=61, var_1_17=3, var_1_18=3, var_1_19=2, var_1_1=1, var_1_20=2147483647, var_1_21=2, var_1_22=0, var_1_24=0, var_1_25=3, var_1_30=0, var_1_33=2, var_1_34=-10, var_1_35=2, var_1_37=61, var_1_38=61, var_1_39=3, var_1_3=2, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, 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: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:58:56,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX --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 aebb37500dc668a05af62617a20988760605c85011722d37da8580f79d2f9b7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:58:59,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:58:59,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:58:59,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:58:59,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:58:59,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:58:59,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:58:59,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:58:59,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:58:59,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:58:59,546 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:58:59,546 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:58:59,547 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:58:59,549 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:58:59,549 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:58:59,549 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:58:59,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:58:59,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:58:59,552 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:58:59,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:58:59,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:58:59,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:58:59,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:58:59,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:58:59,554 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:58:59,554 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:58:59,555 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:58:59,555 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:58:59,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:58:59,556 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:58:59,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:58:59,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:58:59,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:58:59,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:59,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:58:59,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:58:59,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:58:59,560 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:58:59,560 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:58:59,561 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:58:59,561 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:58:59,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:58:59,562 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aebb37500dc668a05af62617a20988760605c85011722d37da8580f79d2f9b7f [2023-11-12 00:59:00,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:00,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:00,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:00,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:00,066 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:00,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-58.i [2023-11-12 00:59:03,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:03,491 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:03,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-58.i [2023-11-12 00:59:03,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/data/6c3c8df0f/f67b6a8cea84451d9307db8739085fc1/FLAG878e659fe [2023-11-12 00:59:03,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/data/6c3c8df0f/f67b6a8cea84451d9307db8739085fc1 [2023-11-12 00:59:03,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:03,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:03,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:03,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:03,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:03,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:03" (1/1) ... [2023-11-12 00:59:03,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4a3924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03, skipping insertion in model container [2023-11-12 00:59:03,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:03" (1/1) ... [2023-11-12 00:59:03,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:59:03,769 WARN L240 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_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-58.i[919,932] [2023-11-12 00:59:03,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:03,855 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:59:03,868 WARN L240 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_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-58.i[919,932] [2023-11-12 00:59:03,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:03,934 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:59:03,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03 WrapperNode [2023-11-12 00:59:03,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:03,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:03,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:59:03,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:59:03,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03" (1/1) ... [2023-11-12 00:59:03,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03" (1/1) ... [2023-11-12 00:59:04,004 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-12 00:59:04,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:04,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:59:04,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:59:04,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:59:04,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03" (1/1) ... [2023-11-12 00:59:04,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03" (1/1) ... [2023-11-12 00:59:04,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03" (1/1) ... [2023-11-12 00:59:04,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03" (1/1) ... [2023-11-12 00:59:04,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03" (1/1) ... [2023-11-12 00:59:04,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03" (1/1) ... [2023-11-12 00:59:04,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03" (1/1) ... [2023-11-12 00:59:04,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03" (1/1) ... [2023-11-12 00:59:04,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:59:04,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:59:04,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:59:04,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:59:04,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03" (1/1) ... [2023-11-12 00:59:04,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:04,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:04,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:59:04,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:59:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:59:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:59:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:59:04,204 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:59:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:59:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:59:04,355 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:59:04,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:59:05,046 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:59:05,054 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:59:05,054 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:59:05,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:05 BoogieIcfgContainer [2023-11-12 00:59:05,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:59:05,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:59:05,060 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:59:05,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:59:05,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:59:03" (1/3) ... [2023-11-12 00:59:05,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6955f1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:05, skipping insertion in model container [2023-11-12 00:59:05,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:03" (2/3) ... [2023-11-12 00:59:05,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6955f1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:05, skipping insertion in model container [2023-11-12 00:59:05,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:05" (3/3) ... [2023-11-12 00:59:05,067 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-58.i [2023-11-12 00:59:05,087 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:59:05,087 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:59:05,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:59:05,148 INFO L357 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, mHoare=true, 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;@17b67f68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:59:05,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:59:05,154 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) [2023-11-12 00:59:05,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-12 00:59:05,173 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:05,174 INFO L195 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] [2023-11-12 00:59:05,175 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:05,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:05,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1393895312, now seen corresponding path program 1 times [2023-11-12 00:59:05,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:05,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452268568] [2023-11-12 00:59:05,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:05,203 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 [2023-11-12 00:59:05,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:05,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:59:05,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:59:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:05,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:59:05,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:05,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2023-11-12 00:59:05,702 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:59:05,703 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:59:05,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452268568] [2023-11-12 00:59:05,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1452268568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:05,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:05,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:59:05,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617521013] [2023-11-12 00:59:05,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:05,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:59:05,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:59:05,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:59:05,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:59:05,745 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) [2023-11-12 00:59:05,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:05,781 INFO L93 Difference]: Finished difference Result 159 states and 282 transitions. [2023-11-12 00:59:05,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:59:05,783 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 [2023-11-12 00:59:05,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:05,792 INFO L225 Difference]: With dead ends: 159 [2023-11-12 00:59:05,792 INFO L226 Difference]: Without dead ends: 79 [2023-11-12 00:59:05,797 INFO L412 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 [2023-11-12 00:59:05,801 INFO L413 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 [2023-11-12 00:59:05,802 INFO L414 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] [2023-11-12 00:59:05,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-12 00:59:05,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-12 00:59:05,856 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) [2023-11-12 00:59:05,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 122 transitions. [2023-11-12 00:59:05,861 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 122 transitions. Word has length 169 [2023-11-12 00:59:05,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:05,861 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 122 transitions. [2023-11-12 00:59:05,862 INFO L496 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) [2023-11-12 00:59:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2023-11-12 00:59:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:59:05,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:05,867 INFO L195 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] [2023-11-12 00:59:05,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:59:06,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:59:06,085 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:06,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:06,086 INFO L85 PathProgramCache]: Analyzing trace with hash -160708659, now seen corresponding path program 1 times [2023-11-12 00:59:06,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:06,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655213682] [2023-11-12 00:59:06,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:06,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 00:59:06,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:06,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:59:06,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:59:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:06,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:59:06,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:06,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-12 00:59:06,936 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:59:06,936 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:59:06,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655213682] [2023-11-12 00:59:06,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655213682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:06,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:06,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:59:06,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511932064] [2023-11-12 00:59:06,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:06,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:59:06,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:59:06,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:59:06,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:59:06,951 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), 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) [2023-11-12 00:59:07,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:07,084 INFO L93 Difference]: Finished difference Result 231 states and 360 transitions. [2023-11-12 00:59:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:59:07,085 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 [2023-11-12 00:59:07,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:07,089 INFO L225 Difference]: With dead ends: 231 [2023-11-12 00:59:07,089 INFO L226 Difference]: Without dead ends: 155 [2023-11-12 00:59:07,091 INFO L412 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 [2023-11-12 00:59:07,092 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 41 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 251 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 [2023-11-12 00:59:07,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 251 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:59:07,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-12 00:59:07,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 153. [2023-11-12 00:59:07,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 98 states have (on average 1.3673469387755102) internal successors, (134), 98 states have internal predecessors, (134), 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) [2023-11-12 00:59:07,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 238 transitions. [2023-11-12 00:59:07,136 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 238 transitions. Word has length 170 [2023-11-12 00:59:07,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:07,139 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 238 transitions. [2023-11-12 00:59:07,140 INFO L496 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) [2023-11-12 00:59:07,140 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 238 transitions. [2023-11-12 00:59:07,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-12 00:59:07,148 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:07,148 INFO L195 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] [2023-11-12 00:59:07,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-12 00:59:07,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:59:07,364 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:07,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:07,365 INFO L85 PathProgramCache]: Analyzing trace with hash 819497070, now seen corresponding path program 1 times [2023-11-12 00:59:07,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:07,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255899800] [2023-11-12 00:59:07,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:07,366 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 [2023-11-12 00:59:07,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:07,368 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:59:07,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:59:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:07,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:59:07,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:59:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-12 00:59:07,783 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:59:07,784 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:59:07,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255899800] [2023-11-12 00:59:07,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255899800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:07,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:07,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:59:07,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737882896] [2023-11-12 00:59:07,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:07,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:59:07,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:59:07,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:59:07,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:59:07,788 INFO L87 Difference]: Start difference. First operand 153 states and 238 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) [2023-11-12 00:59:08,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:08,123 INFO L93 Difference]: Finished difference Result 319 states and 487 transitions. [2023-11-12 00:59:08,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 00:59:08,124 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 [2023-11-12 00:59:08,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:08,128 INFO L225 Difference]: With dead ends: 319 [2023-11-12 00:59:08,128 INFO L226 Difference]: Without dead ends: 169 [2023-11-12 00:59:08,130 INFO L412 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 [2023-11-12 00:59:08,131 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 94 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:08,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 220 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:59:08,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-12 00:59:08,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 161. [2023-11-12 00:59:08,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 104 states have internal predecessors, (138), 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) [2023-11-12 00:59:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 242 transitions. [2023-11-12 00:59:08,167 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 242 transitions. Word has length 171 [2023-11-12 00:59:08,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:08,168 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 242 transitions. [2023-11-12 00:59:08,169 INFO L496 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) [2023-11-12 00:59:08,169 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 242 transitions. [2023-11-12 00:59:08,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-12 00:59:08,173 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:08,173 INFO L195 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] [2023-11-12 00:59:08,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:59:08,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:59:08,392 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:08,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:08,392 INFO L85 PathProgramCache]: Analyzing trace with hash -768850832, now seen corresponding path program 1 times [2023-11-12 00:59:08,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:59:08,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138418996] [2023-11-12 00:59:08,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:08,393 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 [2023-11-12 00:59:08,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:59:08,394 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:59:08,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d81c2ca-0ba7-419f-b44d-b94fa482ee39/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:59:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:08,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-12 00:59:08,906 INFO L285 TraceCheckSpWp]: Computing forward predicates...