./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ --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 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:53,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:53,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:16:53,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:53,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:53,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:53,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:53,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:53,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:53,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:53,794 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:53,795 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:53,795 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:53,797 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:16:53,798 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:53,798 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:53,799 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:16:53,799 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:16:53,800 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:53,800 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:16:53,801 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:16:53,801 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:16:53,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:53,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:53,803 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:16:53,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:16:53,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:16:53,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:53,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:53,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:53,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:53,807 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:16:53,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:53,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:53,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:53,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:53,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:53,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:53,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:53,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:53,810 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:16:53,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:16:53,811 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:53,811 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:53,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:53,812 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_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 [2023-11-19 05:16:54,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:54,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:54,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:54,181 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:54,182 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:54,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-19 05:16:57,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:16:57,676 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:16:57,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-19 05:16:57,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/data/0b1bf5c28/372909234b364ff9b44d7864c3e98c2a/FLAGb3b5da52d [2023-11-19 05:16:57,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/data/0b1bf5c28/372909234b364ff9b44d7864c3e98c2a [2023-11-19 05:16:57,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:16:57,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:16:57,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:57,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:16:57,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:16:57,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:57" (1/1) ... [2023-11-19 05:16:57,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298f3801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:57, skipping insertion in model container [2023-11-19 05:16:57,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:57" (1/1) ... [2023-11-19 05:16:57,797 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:16:57,988 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_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-19 05:16:58,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:58,128 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:16:58,149 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_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-19 05:16:58,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:58,283 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:16:58,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58 WrapperNode [2023-11-19 05:16:58,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:58,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:58,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:16:58,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:16:58,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,397 INFO L138 Inliner]: procedures = 29, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 572 [2023-11-19 05:16:58,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:58,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:16:58,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:16:58,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:16:58,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:16:58,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:16:58,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:16:58,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:16:58,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (1/1) ... [2023-11-19 05:16:58,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:58,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:58,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:16:58,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:16:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:16:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:16:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:16:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:16:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:16:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:16:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:16:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:16:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:16:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:16:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:16:58,866 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:16:58,868 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:16:59,826 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:17:01,548 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:17:01,549 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:17:01,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:01 BoogieIcfgContainer [2023-11-19 05:17:01,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:17:01,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:17:01,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:17:01,567 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:17:01,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:16:57" (1/3) ... [2023-11-19 05:17:01,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67961901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:01, skipping insertion in model container [2023-11-19 05:17:01,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:58" (2/3) ... [2023-11-19 05:17:01,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67961901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:01, skipping insertion in model container [2023-11-19 05:17:01,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:01" (3/3) ... [2023-11-19 05:17:01,575 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-49.i [2023-11-19 05:17:01,600 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:17:01,602 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:17:01,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:17:01,685 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;@3c9a0370, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:17:01,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:17:01,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:17:01,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 05:17:01,705 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:01,706 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:01,707 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:01,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:01,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1735054927, now seen corresponding path program 1 times [2023-11-19 05:17:01,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:17:01,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172012917] [2023-11-19 05:17:01,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:01,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:17:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:17:07,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:17:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:17:10,107 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:17:10,110 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:17:10,112 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:17:10,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:17:10,120 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:17:10,126 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:17:10,200 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:17:10,201 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:17:10,202 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 05:17:10,202 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 05:17:10,203 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:17:10,204 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:17:10,204 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 05:17:10,206 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 05:17:10,206 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-19 05:17:10,208 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 05:17:10,214 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-19 05:17:10,215 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-19 05:17:10,215 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-19 05:17:10,215 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 05:17:10,216 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 05:17:10,218 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-19 05:17:10,218 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 05:17:10,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-19 05:17:10,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 05:17:10,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 05:17:10,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-19 05:17:10,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-19 05:17:10,221 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-19 05:17:10,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-19 05:17:10,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-19 05:17:10,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated [2023-11-19 05:17:10,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated [2023-11-19 05:17:10,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-19 05:17:10,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 05:17:10,225 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated [2023-11-19 05:17:10,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-19 05:17:10,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-19 05:17:10,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-19 05:17:10,227 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 05:17:10,228 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated [2023-11-19 05:17:10,228 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-19 05:17:10,229 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-19 05:17:10,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-19 05:17:10,232 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-19 05:17:10,232 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-19 05:17:10,233 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-19 05:17:10,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-19 05:17:10,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-19 05:17:10,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-19 05:17:10,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-19 05:17:10,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-19 05:17:10,246 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-19 05:17:10,248 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-19 05:17:10,249 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-19 05:17:10,250 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated [2023-11-19 05:17:10,250 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-19 05:17:10,251 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-19 05:17:10,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:17:10 BoogieIcfgContainer [2023-11-19 05:17:10,286 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:17:10,288 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:17:10,289 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:17:10,289 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:17:10,289 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:01" (3/4) ... [2023-11-19 05:17:10,295 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:17:10,296 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:17:10,298 INFO L158 Benchmark]: Toolchain (without parser) took 12574.16ms. Allocated memory was 207.6MB in the beginning and 524.3MB in the end (delta: 316.7MB). Free memory was 160.9MB in the beginning and 293.7MB in the end (delta: -132.9MB). Peak memory consumption was 185.7MB. Max. memory is 16.1GB. [2023-11-19 05:17:10,299 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 151.0MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:17:10,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.61ms. Allocated memory is still 207.6MB. Free memory was 160.9MB in the beginning and 143.3MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:17:10,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.75ms. Allocated memory is still 207.6MB. Free memory was 143.3MB in the beginning and 138.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:17:10,304 INFO L158 Benchmark]: Boogie Preprocessor took 149.38ms. Allocated memory is still 207.6MB. Free memory was 138.1MB in the beginning and 133.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:17:10,310 INFO L158 Benchmark]: RCFGBuilder took 3007.66ms. Allocated memory was 207.6MB in the beginning and 289.4MB in the end (delta: 81.8MB). Free memory was 133.9MB in the beginning and 230.7MB in the end (delta: -96.8MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2023-11-19 05:17:10,312 INFO L158 Benchmark]: TraceAbstraction took 8724.37ms. Allocated memory was 289.4MB in the beginning and 524.3MB in the end (delta: 234.9MB). Free memory was 229.7MB in the beginning and 294.8MB in the end (delta: -65.1MB). Peak memory consumption was 275.6MB. Max. memory is 16.1GB. [2023-11-19 05:17:10,313 INFO L158 Benchmark]: Witness Printer took 8.27ms. Allocated memory is still 524.3MB. Free memory was 294.8MB in the beginning and 293.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:17:10,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 151.0MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.61ms. Allocated memory is still 207.6MB. Free memory was 160.9MB in the beginning and 143.3MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.75ms. Allocated memory is still 207.6MB. Free memory was 143.3MB in the beginning and 138.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.38ms. Allocated memory is still 207.6MB. Free memory was 138.1MB in the beginning and 133.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3007.66ms. Allocated memory was 207.6MB in the beginning and 289.4MB in the end (delta: 81.8MB). Free memory was 133.9MB in the beginning and 230.7MB in the end (delta: -96.8MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8724.37ms. Allocated memory was 289.4MB in the beginning and 524.3MB in the end (delta: 234.9MB). Free memory was 229.7MB in the beginning and 294.8MB in the end (delta: -65.1MB). Peak memory consumption was 275.6MB. Max. memory is 16.1GB. * Witness Printer took 8.27ms. Allocated memory is still 524.3MB. Free memory was 294.8MB in the beginning and 293.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 50, overapproximation of shiftRight at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {1, 0} }; [L25-L27] float float_Array_0[2] = { 1000.2, 1000000000000000.4 }; [L28-L30] signed short int signed_short_int_Array_0[2] = { -2, 128 }; [L31-L33] unsigned short int unsigned_short_int_Array_0[2][2] = { {10, 256}, {4, 4} }; [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] FCALL updateLastVariables() [L99] CALL updateVariables() [L65] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L66] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L67] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L68] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L71] float_Array_0[0] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F [L72] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L73] float_Array_0[1] = __VERIFIER_nondet_float() [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L74] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F [L74] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L75] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L76] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32766) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L78] unsigned_short_int_Array_0[0][0] = __VERIFIER_nondet_ushort() [L79] EXPR unsigned_short_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(unsigned_short_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] EXPR unsigned_short_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(unsigned_short_int_Array_0[0][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L81] unsigned_short_int_Array_0[1][0] = __VERIFIER_nondet_ushort() [L82] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L82] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L84] unsigned_short_int_Array_0[0][1] = __VERIFIER_nondet_ushort() [L85] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L99] RET updateVariables() [L100] CALL step() [L37] EXPR signed_short_int_Array_0[0] [L37] EXPR ((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]) [L37] EXPR signed_short_int_Array_0[0] [L37] EXPR ((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]) [L37] signed_short_int_Array_0[1] = ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]))) [L38] EXPR unsigned_short_int_Array_0[0][1] [L38] EXPR 50 >> unsigned_short_int_Array_0[0][1] [L38] EXPR signed_short_int_Array_0[1] [L38] COND FALSE !((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) [L41] EXPR BOOL_unsigned_char_Array_0[1][1] [L41] BOOL_unsigned_char_Array_0[0][1] = (! BOOL_unsigned_char_Array_0[1][1]) [L43] EXPR BOOL_unsigned_char_Array_0[0][0] [L43] COND TRUE ! BOOL_unsigned_char_Array_0[0][0] [L44] EXPR unsigned_short_int_Array_0[0][1] [L44] EXPR unsigned_short_int_Array_0[0][0] [L44] EXPR signed_short_int_Array_0[1] [L44] EXPR ((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1]) [L44] EXPR signed_short_int_Array_0[1] [L44] EXPR ((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1]) [L44] COND FALSE !(unsigned_short_int_Array_0[0][1] >= ((((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1])))) [L47] EXPR BOOL_unsigned_char_Array_0[1][1] [L47] BOOL_unsigned_char_Array_0[1][0] = BOOL_unsigned_char_Array_0[1][1] [L50] EXPR float_Array_0[1] [L50] COND TRUE float_Array_0[1] >= 64.5f [L51] EXPR float_Array_0[1] [L51] EXPR float_Array_0[0] [L51] COND FALSE !(float_Array_0[1] >= float_Array_0[0]) [L54] BOOL_unsigned_char_Array_0[1][0] [L54] COND FALSE !(BOOL_unsigned_char_Array_0[1][0]) [L57] EXPR unsigned_short_int_Array_0[0][0] [L57] unsigned_short_int_Array_0[1][1] = unsigned_short_int_Array_0[0][0] [L100] RET step() [L101] CALL, EXPR property() [L91] EXPR float_Array_0[1] [L91] EXPR (float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50)) [L91] EXPR unsigned_short_int_Array_0[1][1] [L91] EXPR (float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50)) [L91] EXPR ((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0]))))) [L91] EXPR (((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0])))))) && (((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) ((! (! BOOL_unsigned_char_Array_0[1][1])) || BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1])))) [L91] EXPR ((((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0])))))) && (((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) ((! (! BOOL_unsigned_char_Array_0[1][1])) || BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))))) && ((! BOOL_unsigned_char_Array_0[0][0]) ? ((unsigned_short_int_Array_0[0][1] >= ((((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) : 1) [L91-L92] return ((((float_Array_0[1] >= 64.5f) ? ((float_Array_0[1] >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) < 0 ) ? -((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))) : ((((unsigned_short_int_Array_0[0][1]) > (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0]))))) ? (unsigned_short_int_Array_0[0][1]) : (((((unsigned_short_int_Array_0[1][0]) > (unsigned_short_int_Array_0[0][0])) ? (unsigned_short_int_Array_0[1][0]) : (unsigned_short_int_Array_0[0][0])))))))))) : (BOOL_unsigned_char_Array_0[1][0] ? (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[1][0])) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) unsigned_short_int_Array_0[0][0])))) : (unsigned_short_int_Array_0[1][1] == ((unsigned short int) 50))) && (signed_short_int_Array_0[1] == ((signed short int) ((((signed_short_int_Array_0[0]) < 0 ) ? -(signed_short_int_Array_0[0]) : (signed_short_int_Array_0[0])))))) && (((50 >> unsigned_short_int_Array_0[0][1]) <= signed_short_int_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) ((! (! BOOL_unsigned_char_Array_0[1][1])) || BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[0][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][1]))))) && ((! BOOL_unsigned_char_Array_0[0][0]) ? ((unsigned_short_int_Array_0[0][1] >= ((((unsigned_short_int_Array_0[0][0]) < (signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[0][0]) : (signed_short_int_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1]))) : (BOOL_unsigned_char_Array_0[1][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][1]))) : 1) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_short_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 1, TraceHistogramMax: 14, 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=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 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 [2023-11-19 05:17:10,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/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_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ --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 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:17:13,359 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:17:13,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:17:13,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:17:13,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:17:13,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:17:13,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:17:13,568 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:17:13,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:17:13,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:17:13,575 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:17:13,576 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:17:13,576 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:17:13,578 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:17:13,579 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:17:13,580 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:17:13,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:17:13,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:17:13,582 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:17:13,583 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:17:13,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:17:13,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:17:13,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:17:13,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:17:13,586 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:17:13,587 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:17:13,587 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:17:13,588 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:17:13,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:17:13,589 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:17:13,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:17:13,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:17:13,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:17:13,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:13,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:17:13,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:17:13,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:17:13,594 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:17:13,594 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:17:13,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:17:13,596 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:17:13,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:17:13,597 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_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6499b62d1470f924cb4a1d4c6eb228c557a21b7be97bcd4aa73e963f3e1c7410 [2023-11-19 05:17:14,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:17:14,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:17:14,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:17:14,089 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:17:14,090 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:17:14,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-19 05:17:17,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:17:17,744 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:17:17,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i [2023-11-19 05:17:17,759 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/data/3edd0f07d/a2bb6cb04ae542ddb0bb30bf7c3bceb4/FLAG203701da8 [2023-11-19 05:17:17,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/data/3edd0f07d/a2bb6cb04ae542ddb0bb30bf7c3bceb4 [2023-11-19 05:17:17,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:17:17,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:17:17,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:17,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:17:17,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:17:17,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:17" (1/1) ... [2023-11-19 05:17:17,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4920362f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:17, skipping insertion in model container [2023-11-19 05:17:17,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:17" (1/1) ... [2023-11-19 05:17:17,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:17:18,033 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_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-19 05:17:18,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:18,183 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:17:18,200 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_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-49.i[916,929] [2023-11-19 05:17:18,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:18,349 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:17:18,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:18 WrapperNode [2023-11-19 05:17:18,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:18,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:18,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:17:18,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:17:18,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:18" (1/1) ... [2023-11-19 05:17:18,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:18" (1/1) ... [2023-11-19 05:17:18,491 INFO L138 Inliner]: procedures = 33, calls = 195, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 562 [2023-11-19 05:17:18,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:18,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:17:18,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:17:18,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:17:18,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:18" (1/1) ... [2023-11-19 05:17:18,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:18" (1/1) ... [2023-11-19 05:17:18,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:18" (1/1) ... [2023-11-19 05:17:18,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:18" (1/1) ... [2023-11-19 05:17:18,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:18" (1/1) ... [2023-11-19 05:17:18,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:18" (1/1) ... [2023-11-19 05:17:18,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:18" (1/1) ... [2023-11-19 05:17:18,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:18" (1/1) ... [2023-11-19 05:17:18,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:17:18,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:17:18,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:17:18,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:17:18,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:18" (1/1) ... [2023-11-19 05:17:18,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:18,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:18,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:17:18,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:17:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:17:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:17:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 05:17:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:17:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 05:17:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 05:17:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 05:17:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 05:17:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:17:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:17:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:17:18,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:17:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:17:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 05:17:19,008 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:17:19,011 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:17:19,932 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:17:19,948 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:17:19,948 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:17:19,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:19 BoogieIcfgContainer [2023-11-19 05:17:19,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:17:19,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:17:19,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:17:19,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:17:19,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:17:17" (1/3) ... [2023-11-19 05:17:19,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a767e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:19, skipping insertion in model container [2023-11-19 05:17:19,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:18" (2/3) ... [2023-11-19 05:17:19,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a767e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:19, skipping insertion in model container [2023-11-19 05:17:19,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:19" (3/3) ... [2023-11-19 05:17:19,971 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-49.i [2023-11-19 05:17:19,996 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:17:19,997 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:17:20,123 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:17:20,133 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;@4d264fd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:17:20,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:17:20,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 114 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:17:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 05:17:20,170 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:20,171 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:20,174 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:20,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:20,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1302661732, now seen corresponding path program 1 times [2023-11-19 05:17:20,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:20,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049989691] [2023-11-19 05:17:20,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:20,207 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 [2023-11-19 05:17:20,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:20,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:17:20,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:20,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:17:20,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:20,832 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-19 05:17:20,832 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:20,833 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:20,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049989691] [2023-11-19 05:17:20,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049989691] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:20,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:20,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:17:20,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991389293] [2023-11-19 05:17:20,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:20,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:17:20,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:20,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:17:20,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:17:20,909 INFO L87 Difference]: Start difference. First operand has 130 states, 113 states have (on average 1.4778761061946903) internal successors, (167), 114 states have internal predecessors, (167), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 05:17:20,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:20,964 INFO L93 Difference]: Finished difference Result 253 states and 398 transitions. [2023-11-19 05:17:20,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:17:20,967 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2023-11-19 05:17:20,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:20,977 INFO L225 Difference]: With dead ends: 253 [2023-11-19 05:17:20,978 INFO L226 Difference]: Without dead ends: 126 [2023-11-19 05:17:20,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:17:20,986 INFO L413 NwaCegarLoop]: 188 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, 188 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 [2023-11-19 05:17:20,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:17:21,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-19 05:17:21,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2023-11-19 05:17:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 110 states have internal predecessors, (160), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:17:21,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 188 transitions. [2023-11-19 05:17:21,051 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 188 transitions. Word has length 115 [2023-11-19 05:17:21,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:21,052 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 188 transitions. [2023-11-19 05:17:21,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-19 05:17:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 188 transitions. [2023-11-19 05:17:21,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 05:17:21,056 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:21,057 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:21,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:17:21,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:21,264 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:21,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:21,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1019262276, now seen corresponding path program 1 times [2023-11-19 05:17:21,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:21,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337374506] [2023-11-19 05:17:21,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:21,266 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 [2023-11-19 05:17:21,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:21,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:17:21,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:21,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 05:17:21,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:21,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-19 05:17:21,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2023-11-19 05:17:21,804 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 05:17:21,805 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:21,805 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:21,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337374506] [2023-11-19 05:17:21,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337374506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:21,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:21,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:17:21,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620193653] [2023-11-19 05:17:21,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:21,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:17:21,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:21,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:17:21,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:17:21,818 INFO L87 Difference]: Start difference. First operand 126 states and 188 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 05:17:22,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:22,532 INFO L93 Difference]: Finished difference Result 318 states and 475 transitions. [2023-11-19 05:17:22,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 05:17:22,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 115 [2023-11-19 05:17:22,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:22,539 INFO L225 Difference]: With dead ends: 318 [2023-11-19 05:17:22,539 INFO L226 Difference]: Without dead ends: 195 [2023-11-19 05:17:22,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:17:22,545 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 132 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:22,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 544 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 05:17:22,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-19 05:17:22,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 130. [2023-11-19 05:17:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 114 states have (on average 1.4473684210526316) internal successors, (165), 114 states have internal predecessors, (165), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:17:22,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 193 transitions. [2023-11-19 05:17:22,570 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 193 transitions. Word has length 115 [2023-11-19 05:17:22,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:22,573 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 193 transitions. [2023-11-19 05:17:22,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-19 05:17:22,574 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 193 transitions. [2023-11-19 05:17:22,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 05:17:22,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:22,577 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:22,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:22,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:22,784 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:22,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:22,784 INFO L85 PathProgramCache]: Analyzing trace with hash 413192159, now seen corresponding path program 1 times [2023-11-19 05:17:22,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:22,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [483919292] [2023-11-19 05:17:22,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:22,786 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 [2023-11-19 05:17:22,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:22,787 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:17:22,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:23,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 05:17:23,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:23,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 05:17:23,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-19 05:17:24,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:17:24,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:17:24,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:17:24,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:17:25,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:17:25,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:17:25,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 05:17:25,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-19 05:17:25,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2023-11-19 05:17:25,602 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 245 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-19 05:17:25,602 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:25,675 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_79 (Array (_ BitVec 32) (_ BitVec 32)))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_79) |c_~#BOOL_unsigned_char_Array_0~0.base|) |c_~#BOOL_unsigned_char_Array_0~0.offset|)) (_ bv0 8))) is different from false [2023-11-19 05:17:25,725 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:25,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [483919292] [2023-11-19 05:17:25,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [483919292] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:17:25,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [825650467] [2023-11-19 05:17:25,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:25,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:17:25,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:17:25,776 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:17:25,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 05:17:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:26,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 05:17:26,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:27,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2023-11-19 05:17:27,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-11-19 05:17:28,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-11-19 05:17:28,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-11-19 05:17:28,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-11-19 05:17:29,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-11-19 05:17:29,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-11-19 05:17:29,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-11-19 05:17:29,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-11-19 05:17:29,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-11-19 05:17:29,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-19 05:17:30,004 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 245 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-19 05:17:30,004 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:30,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [825650467] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:17:30,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554407601] [2023-11-19 05:17:30,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:30,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:17:30,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:30,161 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:17:30,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1ccbfc-833c-4c7c-bc6b-49ce86908d0a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 05:17:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:30,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 05:17:30,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:30,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-11-19 05:17:31,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-19 05:17:31,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-19 05:17:32,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2023-11-19 05:17:32,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 36 [2023-11-19 05:17:33,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 38 [2023-11-19 05:17:33,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 38 [2023-11-19 05:17:33,883 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:17:33,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 38 [2023-11-19 05:17:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 199 proven. 21 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 05:17:34,301 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:34,668 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_144 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_144) |c_~#signed_short_int_Array_0~0.base|))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select .cse1 |c_~#signed_short_int_Array_0~0.offset|))))) (or (not (bvslt .cse0 (_ bv0 32))) (= ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0))) ((_ sign_extend 16) ((_ extract 15 0) (select .cse1 (bvadd |c_~#signed_short_int_Array_0~0.offset| (_ bv2 32)))))))))) is different from false [2023-11-19 05:17:34,747 WARN L854 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_143 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_144 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (store (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_143) |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_144) |c_~#signed_short_int_Array_0~0.base|))) (let ((.cse0 ((_ sign_extend 16) ((_ extract 15 0) (select .cse1 |c_~#signed_short_int_Array_0~0.offset|))))) (or (not (bvslt .cse0 (_ bv0 32))) (= ((_ sign_extend 16) ((_ extract 15 0) (select .cse1 (bvadd |c_~#signed_short_int_Array_0~0.offset| (_ bv2 32))))) ((_ sign_extend 16) ((_ extract 15 0) (bvneg .cse0)))))))) (forall ((|ULTIMATE.start_step_#t~mem8#1| (_ BitVec 16))) (bvsle (bvashr (_ bv50 32) ((_ zero_extend 16) |ULTIMATE.start_step_#t~mem8#1|)) ((_ sign_extend 16) |c_ULTIMATE.start_step_#t~mem9#1|)))) is different from false [2023-11-19 05:17:35,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554407601] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:17:35,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 05:17:35,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 16] total 34 [2023-11-19 05:17:35,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366113728] [2023-11-19 05:17:35,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 05:17:35,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-19 05:17:35,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:35,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-19 05:17:35,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1574, Unknown=20, NotChecked=252, Total=2070 [2023-11-19 05:17:35,666 INFO L87 Difference]: Start difference. First operand 130 states and 193 transitions. Second operand has 35 states, 32 states have (on average 4.9375) internal successors, (158), 33 states have internal predecessors, (158), 13 states have call successors, (42), 11 states have call predecessors, (42), 13 states have return successors, (42), 10 states have call predecessors, (42), 13 states have call successors, (42)