./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p16.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --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 64bit --witnessprinter.graph.data.programhash 1e493e5b8e09d1c1ebb58815cd723ea3d2090b106dbbe63343cca7fbad20b333 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 21:29:50,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:29:50,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:29:50,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:29:50,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:29:50,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:29:50,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:29:50,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:29:50,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:29:50,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:29:50,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:29:50,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:29:50,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:29:50,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:29:50,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:29:50,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:29:50,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:29:50,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:29:50,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:29:50,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:29:50,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:29:50,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:29:50,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:29:50,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:29:50,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:29:50,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:29:50,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:29:50,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:29:50,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:29:50,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:29:50,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:29:50,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:29:50,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:29:50,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:29:50,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:29:50,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:29:50,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:29:50,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:29:50,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:29:50,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:29:50,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:29:50,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 21:29:50,773 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:29:50,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:29:50,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:29:50,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:29:50,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:29:50,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:29:50,776 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:29:50,776 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:29:50,777 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:29:50,777 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:29:50,778 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:29:50,779 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:29:50,779 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:29:50,779 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:29:50,780 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:29:50,780 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:29:50,780 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:29:50,780 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:29:50,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:29:50,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:29:50,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:29:50,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:29:50,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:29:50,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:29:50,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:29:50,783 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:29:50,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:29:50,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:29:50,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:29:50,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:29:50,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:29:50,786 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:29:50,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:29:50,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:29:50,787 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:29:50,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:29:50,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:29:50,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:29:50,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e493e5b8e09d1c1ebb58815cd723ea3d2090b106dbbe63343cca7fbad20b333 [2022-11-20 21:29:51,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:29:51,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:29:51,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:29:51,134 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:29:51,135 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:29:51,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p16.c [2022-11-20 21:29:54,419 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:29:54,750 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:29:54,751 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p16.c [2022-11-20 21:29:54,779 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/data/3600ed754/d7eed037427f4a988594757f285b9fe1/FLAGbc973d4f8 [2022-11-20 21:29:54,801 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/data/3600ed754/d7eed037427f4a988594757f285b9fe1 [2022-11-20 21:29:54,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:29:54,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:29:54,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:29:54,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:29:54,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:29:54,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:54" (1/1) ... [2022-11-20 21:29:54,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe387eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:54, skipping insertion in model container [2022-11-20 21:29:54,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:54" (1/1) ... [2022-11-20 21:29:54,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:29:54,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:29:55,186 WARN L237 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_aff710bf-4847-472e-8aff-1c350ebfd33e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p16.c[1107,1120] [2022-11-20 21:29:55,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:29:55,573 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:29:55,586 WARN L237 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_aff710bf-4847-472e-8aff-1c350ebfd33e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p16.c[1107,1120] [2022-11-20 21:29:55,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:29:55,862 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:29:55,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:55 WrapperNode [2022-11-20 21:29:55,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:29:55,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:29:55,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:29:55,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:29:55,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:55" (1/1) ... [2022-11-20 21:29:55,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:55" (1/1) ... [2022-11-20 21:29:56,102 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1368 [2022-11-20 21:29:56,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:29:56,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:29:56,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:29:56,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:29:56,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:55" (1/1) ... [2022-11-20 21:29:56,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:55" (1/1) ... [2022-11-20 21:29:56,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:55" (1/1) ... [2022-11-20 21:29:56,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:55" (1/1) ... [2022-11-20 21:29:56,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:55" (1/1) ... [2022-11-20 21:29:56,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:55" (1/1) ... [2022-11-20 21:29:56,232 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:55" (1/1) ... [2022-11-20 21:29:56,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:55" (1/1) ... [2022-11-20 21:29:56,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:29:56,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:29:56,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:29:56,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:29:56,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:55" (1/1) ... [2022-11-20 21:29:56,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:29:56,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:29:56,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:29:56,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:29:56,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:29:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:29:56,963 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:29:56,965 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:30:17,225 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:30:17,252 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:30:17,255 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 21:30:17,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:17 BoogieIcfgContainer [2022-11-20 21:30:17,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:30:17,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:30:17,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:30:17,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:30:17,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:29:54" (1/3) ... [2022-11-20 21:30:17,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d90ebb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:17, skipping insertion in model container [2022-11-20 21:30:17,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:55" (2/3) ... [2022-11-20 21:30:17,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d90ebb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:17, skipping insertion in model container [2022-11-20 21:30:17,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:17" (3/3) ... [2022-11-20 21:30:17,281 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p16.c [2022-11-20 21:30:17,300 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:30:17,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 21:30:17,374 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:30:17,382 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=LoopsAndPotentialCycles, 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;@10e0fb29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:30:17,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 21:30:17,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:30:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 21:30:17,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:30:17,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 21:30:17,394 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:30:17,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:30:17,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-20 21:30:17,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:30:17,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88962497] [2022-11-20 21:30:17,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:30:17,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:30:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:30:22,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 21:30:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:30:25,288 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 21:30:25,290 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 21:30:25,291 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 21:30:25,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:30:25,300 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 21:30:25,304 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:30:25,360 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 21:30:25,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:30:25 BoogieIcfgContainer [2022-11-20 21:30:25,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:30:25,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:30:25,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:30:25,395 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:30:25,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:17" (3/4) ... [2022-11-20 21:30:25,399 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 21:30:25,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:30:25,402 INFO L158 Benchmark]: Toolchain (without parser) took 30592.03ms. Allocated memory was 201.3MB in the beginning and 912.3MB in the end (delta: 710.9MB). Free memory was 154.7MB in the beginning and 341.1MB in the end (delta: -186.4MB). Peak memory consumption was 526.3MB. Max. memory is 16.1GB. [2022-11-20 21:30:25,403 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory was 87.8MB in the beginning and 87.7MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:30:25,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1050.87ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 110.0MB in the end (delta: 44.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 21:30:25,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 241.68ms. Allocated memory is still 201.3MB. Free memory was 110.0MB in the beginning and 160.2MB in the end (delta: -50.2MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-11-20 21:30:25,411 INFO L158 Benchmark]: Boogie Preprocessor took 176.39ms. Allocated memory is still 201.3MB. Free memory was 160.2MB in the beginning and 153.2MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 21:30:25,412 INFO L158 Benchmark]: RCFGBuilder took 20980.55ms. Allocated memory was 201.3MB in the beginning and 912.3MB in the end (delta: 710.9MB). Free memory was 153.2MB in the beginning and 562.9MB in the end (delta: -409.7MB). Peak memory consumption was 550.9MB. Max. memory is 16.1GB. [2022-11-20 21:30:25,414 INFO L158 Benchmark]: TraceAbstraction took 8124.06ms. Allocated memory is still 912.3MB. Free memory was 561.8MB in the beginning and 341.1MB in the end (delta: 220.7MB). Peak memory consumption was 242.8MB. Max. memory is 16.1GB. [2022-11-20 21:30:25,415 INFO L158 Benchmark]: Witness Printer took 6.74ms. Allocated memory is still 912.3MB. Free memory is still 341.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:30:25,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory was 87.8MB in the beginning and 87.7MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1050.87ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 110.0MB in the end (delta: 44.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 241.68ms. Allocated memory is still 201.3MB. Free memory was 110.0MB in the beginning and 160.2MB in the end (delta: -50.2MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.39ms. Allocated memory is still 201.3MB. Free memory was 160.2MB in the beginning and 153.2MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 20980.55ms. Allocated memory was 201.3MB in the beginning and 912.3MB in the end (delta: 710.9MB). Free memory was 153.2MB in the beginning and 562.9MB in the end (delta: -409.7MB). Peak memory consumption was 550.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8124.06ms. Allocated memory is still 912.3MB. Free memory was 561.8MB in the beginning and 341.1MB in the end (delta: 220.7MB). Peak memory consumption was 242.8MB. Max. memory is 16.1GB. * Witness Printer took 6.74ms. Allocated memory is still 912.3MB. Free memory is still 341.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 493, overapproximation of bitwiseOr at line 205, overapproximation of bitwiseAnd at line 157. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L34] const SORT_144 mask_SORT_144 = (SORT_144)-1 >> (sizeof(SORT_144) * 8 - 3); [L35] const SORT_144 msb_SORT_144 = (SORT_144)1 << (3 - 1); [L37] const SORT_171 mask_SORT_171 = (SORT_171)-1 >> (sizeof(SORT_171) * 8 - 2); [L38] const SORT_171 msb_SORT_171 = (SORT_171)1 << (2 - 1); [L40] const SORT_173 mask_SORT_173 = (SORT_173)-1 >> (sizeof(SORT_173) * 8 - 32); [L41] const SORT_173 msb_SORT_173 = (SORT_173)1 << (32 - 1); [L43] const SORT_279 mask_SORT_279 = (SORT_279)-1 >> (sizeof(SORT_279) * 8 - 4); [L44] const SORT_279 msb_SORT_279 = (SORT_279)1 << (4 - 1); [L46] const SORT_3 var_7 = 0; [L47] const SORT_1 var_12 = 0; [L48] const SORT_1 var_20 = 1; [L49] const SORT_5 var_129 = 0; [L50] const SORT_144 var_145 = 0; [L51] const SORT_144 var_149 = 2; [L52] const SORT_144 var_153 = 1; [L53] const SORT_144 var_158 = 4; [L54] const SORT_144 var_160 = 5; [L55] const SORT_144 var_164 = 3; [L56] const SORT_173 var_175 = 0; [L57] const SORT_3 var_182 = 31; [L58] const SORT_144 var_380 = 7; [L59] const SORT_144 var_385 = 6; [L60] const SORT_3 var_430 = 2; [L62] SORT_1 input_2; [L63] SORT_3 input_4; [L64] SORT_5 input_6; [L65] SORT_3 input_168; [L66] SORT_3 input_169; [L67] SORT_3 input_170; [L68] SORT_3 input_181; [L69] SORT_3 input_191; [L70] SORT_3 input_192; [L71] SORT_3 input_193; [L72] SORT_3 input_196; [L73] SORT_3 input_215; [L74] SORT_3 input_216; [L75] SORT_3 input_217; [L76] SORT_3 input_220; [L77] SORT_3 input_222; [L78] SORT_171 input_236; [L79] SORT_171 input_237; [L80] SORT_171 input_238; [L82] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L83] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L84] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] SORT_3 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] SORT_3 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] SORT_3 state_116 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] SORT_1 state_127 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] SORT_5 state_130 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L91] SORT_3 state_132 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] SORT_3 state_134 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] SORT_3 state_136 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] SORT_144 state_146 = __VERIFIER_nondet_uchar() & mask_SORT_144; [L96] SORT_3 init_9_arg_1 = var_7; [L97] state_8 = init_9_arg_1 [L98] SORT_3 init_11_arg_1 = var_7; [L99] state_10 = init_11_arg_1 [L100] SORT_3 init_15_arg_1 = var_7; [L101] state_14 = init_15_arg_1 [L102] SORT_3 init_17_arg_1 = var_7; [L103] state_16 = init_17_arg_1 [L104] SORT_3 init_66_arg_1 = var_7; [L105] state_65 = init_66_arg_1 [L106] SORT_3 init_88_arg_1 = var_7; [L107] state_87 = init_88_arg_1 [L108] SORT_3 init_117_arg_1 = var_7; [L109] state_116 = init_117_arg_1 [L110] SORT_1 init_128_arg_1 = var_12; [L111] state_127 = init_128_arg_1 [L112] SORT_5 init_131_arg_1 = var_129; [L113] state_130 = init_131_arg_1 [L114] SORT_3 init_133_arg_1 = var_7; [L115] state_132 = init_133_arg_1 [L116] SORT_3 init_135_arg_1 = var_7; [L117] state_134 = init_135_arg_1 [L118] SORT_3 init_137_arg_1 = var_7; [L119] state_136 = init_137_arg_1 [L120] SORT_144 init_147_arg_1 = var_145; [L121] state_146 = init_147_arg_1 VAL [init_117_arg_1=0, init_11_arg_1=0, init_128_arg_1=0, init_131_arg_1=0, init_133_arg_1=0, init_135_arg_1=0, init_137_arg_1=0, init_147_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_66_arg_1=0, init_88_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_144=7, mask_SORT_171=3, mask_SORT_173=4294967295, mask_SORT_279=15, mask_SORT_3=31, mask_SORT_5=4095, msb_SORT_1=1, msb_SORT_144=4, msb_SORT_171=2, msb_SORT_173=2147483648, msb_SORT_279=8, msb_SORT_3=16, msb_SORT_5=2048, state_10=0, state_116=0, state_127=0, state_130=0, state_132=0, state_134=0, state_136=0, state_14=0, state_146=0, state_16=0, state_65=0, state_8=0, state_87=0, var_12=0, var_129=0, var_145=0, var_149=2, var_153=1, var_158=4, var_160=5, var_164=3, var_175=0, var_182=31, var_20=1, var_380=7, var_385=6, var_430=2, var_7=0] [L124] input_2 = __VERIFIER_nondet_uchar() [L125] input_4 = __VERIFIER_nondet_uchar() [L126] input_6 = __VERIFIER_nondet_ushort() [L127] input_168 = __VERIFIER_nondet_uchar() [L128] input_169 = __VERIFIER_nondet_uchar() [L129] input_170 = __VERIFIER_nondet_uchar() [L130] input_181 = __VERIFIER_nondet_uchar() [L131] input_191 = __VERIFIER_nondet_uchar() [L132] input_192 = __VERIFIER_nondet_uchar() [L133] input_193 = __VERIFIER_nondet_uchar() [L134] input_196 = __VERIFIER_nondet_uchar() [L135] input_215 = __VERIFIER_nondet_uchar() [L136] input_216 = __VERIFIER_nondet_uchar() [L137] input_217 = __VERIFIER_nondet_uchar() [L138] input_220 = __VERIFIER_nondet_uchar() [L139] input_222 = __VERIFIER_nondet_uchar() [L140] input_236 = __VERIFIER_nondet_uchar() [L141] input_237 = __VERIFIER_nondet_uchar() [L142] input_238 = __VERIFIER_nondet_uchar() [L145] SORT_1 var_18_arg_0 = var_12; [L146] SORT_3 var_18_arg_1 = state_16; [L147] SORT_3 var_18_arg_2 = state_14; [L148] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; [L149] SORT_1 var_13_arg_0 = var_12; [L150] SORT_3 var_13_arg_1 = state_10; [L151] SORT_3 var_13_arg_2 = state_8; [L152] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L153] SORT_1 var_19_arg_0 = var_12; [L154] SORT_3 var_19_arg_1 = var_18; [L155] SORT_3 var_19_arg_2 = var_13; [L156] SORT_3 var_19 = var_19_arg_0 ? var_19_arg_1 : var_19_arg_2; [L157] var_19 = var_19 & mask_SORT_3 [L158] SORT_1 var_22_arg_0 = var_20; [L159] SORT_3 var_22_arg_1 = state_16; [L160] SORT_3 var_22_arg_2 = state_14; [L161] SORT_3 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; [L162] SORT_1 var_21_arg_0 = var_20; [L163] SORT_3 var_21_arg_1 = state_10; [L164] SORT_3 var_21_arg_2 = state_8; [L165] SORT_3 var_21 = var_21_arg_0 ? var_21_arg_1 : var_21_arg_2; [L166] SORT_1 var_23_arg_0 = var_12; [L167] SORT_3 var_23_arg_1 = var_22; [L168] SORT_3 var_23_arg_2 = var_21; [L169] SORT_3 var_23 = var_23_arg_0 ? var_23_arg_1 : var_23_arg_2; [L170] var_23 = var_23 & mask_SORT_3 [L171] SORT_3 var_24_arg_0 = var_19; [L172] SORT_3 var_24_arg_1 = var_23; [L173] SORT_1 var_24 = var_24_arg_0 == var_24_arg_1; [L174] SORT_1 var_26_arg_0 = var_12; [L175] SORT_3 var_26_arg_1 = state_16; [L176] SORT_3 var_26_arg_2 = state_14; [L177] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L178] SORT_1 var_25_arg_0 = var_12; [L179] SORT_3 var_25_arg_1 = state_10; [L180] SORT_3 var_25_arg_2 = state_8; [L181] SORT_3 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L182] SORT_1 var_27_arg_0 = var_12; [L183] SORT_3 var_27_arg_1 = var_26; [L184] SORT_3 var_27_arg_2 = var_25; [L185] SORT_3 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L186] var_27 = var_27 & mask_SORT_3 [L187] SORT_1 var_29_arg_0 = var_12; [L188] SORT_3 var_29_arg_1 = state_16; [L189] SORT_3 var_29_arg_2 = state_14; [L190] SORT_3 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L191] SORT_1 var_28_arg_0 = var_12; [L192] SORT_3 var_28_arg_1 = state_10; [L193] SORT_3 var_28_arg_2 = state_8; [L194] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L195] SORT_1 var_30_arg_0 = var_20; [L196] SORT_3 var_30_arg_1 = var_29; [L197] SORT_3 var_30_arg_2 = var_28; [L198] SORT_3 var_30 = var_30_arg_0 ? var_30_arg_1 : var_30_arg_2; [L199] var_30 = var_30 & mask_SORT_3 [L200] SORT_3 var_31_arg_0 = var_27; [L201] SORT_3 var_31_arg_1 = var_30; [L202] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L203] SORT_1 var_32_arg_0 = var_24; [L204] SORT_1 var_32_arg_1 = var_31; [L205] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L206] SORT_1 var_34_arg_0 = var_12; [L207] SORT_3 var_34_arg_1 = state_16; [L208] SORT_3 var_34_arg_2 = state_14; [L209] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L210] SORT_1 var_33_arg_0 = var_12; [L211] SORT_3 var_33_arg_1 = state_10; [L212] SORT_3 var_33_arg_2 = state_8; [L213] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L214] SORT_1 var_35_arg_0 = var_12; [L215] SORT_3 var_35_arg_1 = var_34; [L216] SORT_3 var_35_arg_2 = var_33; [L217] SORT_3 var_35 = var_35_arg_0 ? var_35_arg_1 : var_35_arg_2; [L218] var_35 = var_35 & mask_SORT_3 [L219] SORT_1 var_37_arg_0 = var_20; [L220] SORT_3 var_37_arg_1 = state_16; [L221] SORT_3 var_37_arg_2 = state_14; [L222] SORT_3 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L223] SORT_1 var_36_arg_0 = var_20; [L224] SORT_3 var_36_arg_1 = state_10; [L225] SORT_3 var_36_arg_2 = state_8; [L226] SORT_3 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L227] SORT_1 var_38_arg_0 = var_20; [L228] SORT_3 var_38_arg_1 = var_37; [L229] SORT_3 var_38_arg_2 = var_36; [L230] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L231] var_38 = var_38 & mask_SORT_3 [L232] SORT_3 var_39_arg_0 = var_35; [L233] SORT_3 var_39_arg_1 = var_38; [L234] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L235] SORT_1 var_40_arg_0 = var_32; [L236] SORT_1 var_40_arg_1 = var_39; [L237] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L238] SORT_1 var_42_arg_0 = var_20; [L239] SORT_3 var_42_arg_1 = state_16; [L240] SORT_3 var_42_arg_2 = state_14; [L241] SORT_3 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L242] SORT_1 var_41_arg_0 = var_20; [L243] SORT_3 var_41_arg_1 = state_10; [L244] SORT_3 var_41_arg_2 = state_8; [L245] SORT_3 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L246] SORT_1 var_43_arg_0 = var_12; [L247] SORT_3 var_43_arg_1 = var_42; [L248] SORT_3 var_43_arg_2 = var_41; [L249] SORT_3 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L250] var_43 = var_43 & mask_SORT_3 [L251] SORT_1 var_45_arg_0 = var_12; [L252] SORT_3 var_45_arg_1 = state_16; [L253] SORT_3 var_45_arg_2 = state_14; [L254] SORT_3 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L255] SORT_1 var_44_arg_0 = var_12; [L256] SORT_3 var_44_arg_1 = state_10; [L257] SORT_3 var_44_arg_2 = state_8; [L258] SORT_3 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L259] SORT_1 var_46_arg_0 = var_20; [L260] SORT_3 var_46_arg_1 = var_45; [L261] SORT_3 var_46_arg_2 = var_44; [L262] SORT_3 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L263] var_46 = var_46 & mask_SORT_3 [L264] SORT_3 var_47_arg_0 = var_43; [L265] SORT_3 var_47_arg_1 = var_46; [L266] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L267] SORT_1 var_48_arg_0 = var_40; [L268] SORT_1 var_48_arg_1 = var_47; [L269] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L270] SORT_1 var_50_arg_0 = var_20; [L271] SORT_3 var_50_arg_1 = state_16; [L272] SORT_3 var_50_arg_2 = state_14; [L273] SORT_3 var_50 = var_50_arg_0 ? var_50_arg_1 : var_50_arg_2; [L274] SORT_1 var_49_arg_0 = var_20; [L275] SORT_3 var_49_arg_1 = state_10; [L276] SORT_3 var_49_arg_2 = state_8; [L277] SORT_3 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L278] SORT_1 var_51_arg_0 = var_12; [L279] SORT_3 var_51_arg_1 = var_50; [L280] SORT_3 var_51_arg_2 = var_49; [L281] SORT_3 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; [L282] var_51 = var_51 & mask_SORT_3 [L283] SORT_1 var_53_arg_0 = var_20; [L284] SORT_3 var_53_arg_1 = state_16; [L285] SORT_3 var_53_arg_2 = state_14; [L286] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L287] SORT_1 var_52_arg_0 = var_20; [L288] SORT_3 var_52_arg_1 = state_10; [L289] SORT_3 var_52_arg_2 = state_8; [L290] SORT_3 var_52 = var_52_arg_0 ? var_52_arg_1 : var_52_arg_2; [L291] SORT_1 var_54_arg_0 = var_20; [L292] SORT_3 var_54_arg_1 = var_53; [L293] SORT_3 var_54_arg_2 = var_52; [L294] SORT_3 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L295] var_54 = var_54 & mask_SORT_3 [L296] SORT_3 var_55_arg_0 = var_51; [L297] SORT_3 var_55_arg_1 = var_54; [L298] SORT_1 var_55 = var_55_arg_0 == var_55_arg_1; [L299] SORT_1 var_56_arg_0 = var_48; [L300] SORT_1 var_56_arg_1 = var_55; [L301] SORT_1 var_56 = var_56_arg_0 | var_56_arg_1; [L302] SORT_1 var_58_arg_0 = var_12; [L303] SORT_3 var_58_arg_1 = state_16; [L304] SORT_3 var_58_arg_2 = state_14; [L305] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L306] SORT_1 var_57_arg_0 = var_12; [L307] SORT_3 var_57_arg_1 = state_10; [L308] SORT_3 var_57_arg_2 = state_8; [L309] SORT_3 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L310] SORT_1 var_59_arg_0 = var_20; [L311] SORT_3 var_59_arg_1 = var_58; [L312] SORT_3 var_59_arg_2 = var_57; [L313] SORT_3 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L314] var_59 = var_59 & mask_SORT_3 [L315] SORT_1 var_61_arg_0 = var_20; [L316] SORT_3 var_61_arg_1 = state_16; [L317] SORT_3 var_61_arg_2 = state_14; [L318] SORT_3 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L319] SORT_1 var_60_arg_0 = var_20; [L320] SORT_3 var_60_arg_1 = state_10; [L321] SORT_3 var_60_arg_2 = state_8; [L322] SORT_3 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L323] SORT_1 var_62_arg_0 = var_20; [L324] SORT_3 var_62_arg_1 = var_61; [L325] SORT_3 var_62_arg_2 = var_60; [L326] SORT_3 var_62 = var_62_arg_0 ? var_62_arg_1 : var_62_arg_2; [L327] var_62 = var_62 & mask_SORT_3 [L328] SORT_3 var_63_arg_0 = var_59; [L329] SORT_3 var_63_arg_1 = var_62; [L330] SORT_1 var_63 = var_63_arg_0 == var_63_arg_1; [L331] SORT_1 var_64_arg_0 = var_56; [L332] SORT_1 var_64_arg_1 = var_63; [L333] SORT_1 var_64 = var_64_arg_0 | var_64_arg_1; [L334] SORT_1 var_68_arg_0 = var_12; [L335] SORT_3 var_68_arg_1 = state_16; [L336] SORT_3 var_68_arg_2 = state_14; [L337] SORT_3 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L338] SORT_1 var_67_arg_0 = var_12; [L339] SORT_3 var_67_arg_1 = state_10; [L340] SORT_3 var_67_arg_2 = state_8; [L341] SORT_3 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L342] SORT_1 var_69_arg_0 = var_12; [L343] SORT_3 var_69_arg_1 = var_68; [L344] SORT_3 var_69_arg_2 = var_67; [L345] SORT_3 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L346] var_69 = var_69 & mask_SORT_3 [L347] SORT_3 var_70_arg_0 = state_65; [L348] SORT_3 var_70_arg_1 = var_69; [L349] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L350] SORT_1 var_71_arg_0 = var_64; [L351] SORT_1 var_71_arg_1 = var_70; [L352] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L353] SORT_1 var_73_arg_0 = var_20; [L354] SORT_3 var_73_arg_1 = state_16; [L355] SORT_3 var_73_arg_2 = state_14; [L356] SORT_3 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L357] SORT_1 var_72_arg_0 = var_20; [L358] SORT_3 var_72_arg_1 = state_10; [L359] SORT_3 var_72_arg_2 = state_8; [L360] SORT_3 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L361] SORT_1 var_74_arg_0 = var_12; [L362] SORT_3 var_74_arg_1 = var_73; [L363] SORT_3 var_74_arg_2 = var_72; [L364] SORT_3 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L365] var_74 = var_74 & mask_SORT_3 [L366] SORT_3 var_75_arg_0 = state_65; [L367] SORT_3 var_75_arg_1 = var_74; [L368] SORT_1 var_75 = var_75_arg_0 == var_75_arg_1; [L369] SORT_1 var_76_arg_0 = var_71; [L370] SORT_1 var_76_arg_1 = var_75; [L371] SORT_1 var_76 = var_76_arg_0 | var_76_arg_1; [L372] SORT_1 var_78_arg_0 = var_12; [L373] SORT_3 var_78_arg_1 = state_16; [L374] SORT_3 var_78_arg_2 = state_14; [L375] SORT_3 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L376] SORT_1 var_77_arg_0 = var_12; [L377] SORT_3 var_77_arg_1 = state_10; [L378] SORT_3 var_77_arg_2 = state_8; [L379] SORT_3 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L380] SORT_1 var_79_arg_0 = var_20; [L381] SORT_3 var_79_arg_1 = var_78; [L382] SORT_3 var_79_arg_2 = var_77; [L383] SORT_3 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L384] var_79 = var_79 & mask_SORT_3 [L385] SORT_3 var_80_arg_0 = state_65; [L386] SORT_3 var_80_arg_1 = var_79; [L387] SORT_1 var_80 = var_80_arg_0 == var_80_arg_1; [L388] SORT_1 var_81_arg_0 = var_76; [L389] SORT_1 var_81_arg_1 = var_80; [L390] SORT_1 var_81 = var_81_arg_0 | var_81_arg_1; [L391] SORT_1 var_83_arg_0 = var_20; [L392] SORT_3 var_83_arg_1 = state_16; [L393] SORT_3 var_83_arg_2 = state_14; [L394] SORT_3 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L395] SORT_1 var_82_arg_0 = var_20; [L396] SORT_3 var_82_arg_1 = state_10; [L397] SORT_3 var_82_arg_2 = state_8; [L398] SORT_3 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L399] SORT_1 var_84_arg_0 = var_20; [L400] SORT_3 var_84_arg_1 = var_83; [L401] SORT_3 var_84_arg_2 = var_82; [L402] SORT_3 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L403] var_84 = var_84 & mask_SORT_3 [L404] SORT_3 var_85_arg_0 = state_65; [L405] SORT_3 var_85_arg_1 = var_84; [L406] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L407] SORT_1 var_86_arg_0 = var_81; [L408] SORT_1 var_86_arg_1 = var_85; [L409] SORT_1 var_86 = var_86_arg_0 | var_86_arg_1; [L410] SORT_1 var_90_arg_0 = var_12; [L411] SORT_3 var_90_arg_1 = state_16; [L412] SORT_3 var_90_arg_2 = state_14; [L413] SORT_3 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L414] SORT_1 var_89_arg_0 = var_12; [L415] SORT_3 var_89_arg_1 = state_10; [L416] SORT_3 var_89_arg_2 = state_8; [L417] SORT_3 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L418] SORT_1 var_91_arg_0 = var_12; [L419] SORT_3 var_91_arg_1 = var_90; [L420] SORT_3 var_91_arg_2 = var_89; [L421] SORT_3 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L422] var_91 = var_91 & mask_SORT_3 [L423] SORT_3 var_92_arg_0 = state_87; [L424] SORT_3 var_92_arg_1 = var_91; [L425] SORT_1 var_92 = var_92_arg_0 == var_92_arg_1; [L426] SORT_1 var_93_arg_0 = var_86; [L427] SORT_1 var_93_arg_1 = var_92; [L428] SORT_1 var_93 = var_93_arg_0 | var_93_arg_1; [L429] SORT_1 var_95_arg_0 = var_20; [L430] SORT_3 var_95_arg_1 = state_16; [L431] SORT_3 var_95_arg_2 = state_14; [L432] SORT_3 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L433] SORT_1 var_94_arg_0 = var_20; [L434] SORT_3 var_94_arg_1 = state_10; [L435] SORT_3 var_94_arg_2 = state_8; [L436] SORT_3 var_94 = var_94_arg_0 ? var_94_arg_1 : var_94_arg_2; [L437] SORT_1 var_96_arg_0 = var_12; [L438] SORT_3 var_96_arg_1 = var_95; [L439] SORT_3 var_96_arg_2 = var_94; [L440] SORT_3 var_96 = var_96_arg_0 ? var_96_arg_1 : var_96_arg_2; [L441] var_96 = var_96 & mask_SORT_3 [L442] SORT_3 var_97_arg_0 = state_87; [L443] SORT_3 var_97_arg_1 = var_96; [L444] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L445] SORT_1 var_98_arg_0 = var_93; [L446] SORT_1 var_98_arg_1 = var_97; [L447] SORT_1 var_98 = var_98_arg_0 | var_98_arg_1; [L448] SORT_1 var_100_arg_0 = var_12; [L449] SORT_3 var_100_arg_1 = state_16; [L450] SORT_3 var_100_arg_2 = state_14; [L451] SORT_3 var_100 = var_100_arg_0 ? var_100_arg_1 : var_100_arg_2; [L452] SORT_1 var_99_arg_0 = var_12; [L453] SORT_3 var_99_arg_1 = state_10; [L454] SORT_3 var_99_arg_2 = state_8; [L455] SORT_3 var_99 = var_99_arg_0 ? var_99_arg_1 : var_99_arg_2; [L456] SORT_1 var_101_arg_0 = var_20; [L457] SORT_3 var_101_arg_1 = var_100; [L458] SORT_3 var_101_arg_2 = var_99; [L459] SORT_3 var_101 = var_101_arg_0 ? var_101_arg_1 : var_101_arg_2; [L460] var_101 = var_101 & mask_SORT_3 [L461] SORT_3 var_102_arg_0 = state_87; [L462] SORT_3 var_102_arg_1 = var_101; [L463] SORT_1 var_102 = var_102_arg_0 == var_102_arg_1; [L464] SORT_1 var_103_arg_0 = var_98; [L465] SORT_1 var_103_arg_1 = var_102; [L466] SORT_1 var_103 = var_103_arg_0 | var_103_arg_1; [L467] SORT_1 var_105_arg_0 = var_20; [L468] SORT_3 var_105_arg_1 = state_16; [L469] SORT_3 var_105_arg_2 = state_14; [L470] SORT_3 var_105 = var_105_arg_0 ? var_105_arg_1 : var_105_arg_2; [L471] SORT_1 var_104_arg_0 = var_20; [L472] SORT_3 var_104_arg_1 = state_10; [L473] SORT_3 var_104_arg_2 = state_8; [L474] SORT_3 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L475] SORT_1 var_106_arg_0 = var_20; [L476] SORT_3 var_106_arg_1 = var_105; [L477] SORT_3 var_106_arg_2 = var_104; [L478] SORT_3 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; [L479] var_106 = var_106 & mask_SORT_3 [L480] SORT_3 var_107_arg_0 = state_87; [L481] SORT_3 var_107_arg_1 = var_106; [L482] SORT_1 var_107 = var_107_arg_0 == var_107_arg_1; [L483] SORT_1 var_108_arg_0 = var_103; [L484] SORT_1 var_108_arg_1 = var_107; [L485] SORT_1 var_108 = var_108_arg_0 | var_108_arg_1; [L486] SORT_3 var_109_arg_0 = state_65; [L487] SORT_3 var_109_arg_1 = state_87; [L488] SORT_1 var_109 = var_109_arg_0 == var_109_arg_1; [L489] SORT_1 var_110_arg_0 = var_108; [L490] SORT_1 var_110_arg_1 = var_109; [L491] SORT_1 var_110 = var_110_arg_0 | var_110_arg_1; [L492] SORT_1 var_113_arg_0 = var_110; [L493] SORT_1 var_113 = ~var_113_arg_0; [L494] SORT_1 var_114_arg_0 = var_20; [L495] SORT_1 var_114_arg_1 = var_113; [L496] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L497] var_114 = var_114 & mask_SORT_1 [L498] SORT_1 bad_115_arg_0 = var_114; [L499] CALL __VERIFIER_assert(!(bad_115_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 1, TraceHistogramMax: 1, 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=7occurred 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, 4.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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 [2022-11-20 21:30:25,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/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_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --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 64bit --witnessprinter.graph.data.programhash 1e493e5b8e09d1c1ebb58815cd723ea3d2090b106dbbe63343cca7fbad20b333 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 21:30:28,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:30:28,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:30:28,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:30:28,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:30:28,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:30:28,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:30:28,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:30:28,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:30:28,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:30:28,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:30:28,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:30:28,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:30:28,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:30:28,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:30:28,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:30:28,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:30:28,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:30:28,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:30:28,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:30:28,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:30:28,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:30:28,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:30:28,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:30:28,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:30:28,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:30:28,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:30:28,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:30:28,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:30:28,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:30:28,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:30:28,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:30:28,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:30:28,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:30:28,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:30:28,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:30:28,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:30:28,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:30:28,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:30:28,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:30:28,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:30:28,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-20 21:30:28,270 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:30:28,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:30:28,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:30:28,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:30:28,272 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:30:28,272 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:30:28,273 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:30:28,273 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:30:28,273 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:30:28,273 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:30:28,274 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:30:28,274 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:30:28,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:30:28,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:30:28,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:30:28,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:30:28,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:30:28,276 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 21:30:28,276 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 21:30:28,276 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 21:30:28,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:30:28,277 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:30:28,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:30:28,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:30:28,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 21:30:28,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:30:28,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:30:28,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:30:28,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:30:28,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:30:28,278 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 21:30:28,278 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 21:30:28,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:30:28,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:30:28,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 21:30:28,279 INFO L138 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_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e493e5b8e09d1c1ebb58815cd723ea3d2090b106dbbe63343cca7fbad20b333 [2022-11-20 21:30:28,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:30:28,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:30:28,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:30:28,680 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:30:28,680 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:30:28,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p16.c [2022-11-20 21:30:31,818 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:30:32,105 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:30:32,106 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p16.c [2022-11-20 21:30:32,119 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/data/406f978c1/0fa06a6f6e2d40399f6e995a7bcda6b2/FLAG67d3fccbe [2022-11-20 21:30:32,135 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/data/406f978c1/0fa06a6f6e2d40399f6e995a7bcda6b2 [2022-11-20 21:30:32,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:30:32,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:30:32,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:30:32,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:30:32,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:30:32,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:30:32" (1/1) ... [2022-11-20 21:30:32,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb1c845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32, skipping insertion in model container [2022-11-20 21:30:32,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:30:32" (1/1) ... [2022-11-20 21:30:32,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:30:32,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:30:32,421 WARN L237 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_aff710bf-4847-472e-8aff-1c350ebfd33e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p16.c[1107,1120] [2022-11-20 21:30:32,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:30:32,686 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:30:32,696 WARN L237 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_aff710bf-4847-472e-8aff-1c350ebfd33e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p16.c[1107,1120] [2022-11-20 21:30:32,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:30:32,890 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:30:32,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32 WrapperNode [2022-11-20 21:30:32,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:30:32,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:30:32,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:30:32,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:30:32,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32" (1/1) ... [2022-11-20 21:30:32,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32" (1/1) ... [2022-11-20 21:30:33,006 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1368 [2022-11-20 21:30:33,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:30:33,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:30:33,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:30:33,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:30:33,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32" (1/1) ... [2022-11-20 21:30:33,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32" (1/1) ... [2022-11-20 21:30:33,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32" (1/1) ... [2022-11-20 21:30:33,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32" (1/1) ... [2022-11-20 21:30:33,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32" (1/1) ... [2022-11-20 21:30:33,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32" (1/1) ... [2022-11-20 21:30:33,163 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32" (1/1) ... [2022-11-20 21:30:33,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32" (1/1) ... [2022-11-20 21:30:33,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:30:33,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:30:33,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:30:33,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:30:33,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32" (1/1) ... [2022-11-20 21:30:33,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:30:33,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:30:33,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:30:33,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:30:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:30:33,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:30:33,729 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:30:33,731 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:30:35,335 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:30:35,342 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:30:35,343 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 21:30:35,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:35 BoogieIcfgContainer [2022-11-20 21:30:35,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:30:35,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:30:35,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:30:35,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:30:35,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:30:32" (1/3) ... [2022-11-20 21:30:35,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b70f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:35, skipping insertion in model container [2022-11-20 21:30:35,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:32" (2/3) ... [2022-11-20 21:30:35,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b70f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:35, skipping insertion in model container [2022-11-20 21:30:35,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:35" (3/3) ... [2022-11-20 21:30:35,357 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p16.c [2022-11-20 21:30:35,376 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:30:35,376 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 21:30:35,442 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:30:35,451 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=LoopsAndPotentialCycles, 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;@693eb840, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:30:35,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 21:30:35,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:30:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 21:30:35,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:30:35,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 21:30:35,463 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:30:35,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:30:35,471 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 21:30:35,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:30:35,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1345717856] [2022-11-20 21:30:35,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:30:35,490 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 [2022-11-20 21:30:35,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:30:35,498 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:30:35,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:30:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:30:36,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 21:30:36,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:30:36,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:30:36,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:30:36,308 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:30:36,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1345717856] [2022-11-20 21:30:36,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1345717856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:30:36,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:30:36,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 21:30:36,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614827216] [2022-11-20 21:30:36,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:30:36,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:30:36,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:30:36,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:30:36,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:30:36,368 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:30:36,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:30:36,625 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-20 21:30:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:30:36,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-20 21:30:36,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:30:36,636 INFO L225 Difference]: With dead ends: 20 [2022-11-20 21:30:36,636 INFO L226 Difference]: Without dead ends: 11 [2022-11-20 21:30:36,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:30:36,642 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 21:30:36,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 21:30:36,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-20 21:30:36,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-20 21:30:36,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:30:36,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-20 21:30:36,676 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-20 21:30:36,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:30:36,677 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-20 21:30:36,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:30:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-20 21:30:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 21:30:36,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:30:36,678 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-20 21:30:36,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 21:30:36,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:30:36,893 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:30:36,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:30:36,894 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-20 21:30:36,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:30:36,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [621077386] [2022-11-20 21:30:36,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:30:36,899 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 [2022-11-20 21:30:36,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:30:36,900 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:30:36,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:30:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:30:37,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 1574 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-20 21:30:37,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:30:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:30:38,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:30:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:30:39,037 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:30:39,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [621077386] [2022-11-20 21:30:39,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [621077386] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:30:39,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1116238107] [2022-11-20 21:30:39,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:30:39,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 21:30:39,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/cvc4 [2022-11-20 21:30:39,050 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 21:30:39,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-20 21:30:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:30:40,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 1574 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-20 21:30:40,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:30:41,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:30:41,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:30:41,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:30:41,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1116238107] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:30:41,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886471568] [2022-11-20 21:30:41,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:30:41,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:30:41,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:30:41,638 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:30:41,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 21:30:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:30:42,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 1574 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-20 21:30:42,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:30:42,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:30:42,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:30:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:30:43,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886471568] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:30:43,144 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-20 21:30:43,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 7, 6] total 13 [2022-11-20 21:30:43,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379256930] [2022-11-20 21:30:43,145 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-20 21:30:43,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 21:30:43,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:30:43,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 21:30:43,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-20 21:30:43,179 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:30:43,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:30:43,644 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-20 21:30:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 21:30:43,645 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-20 21:30:43,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:30:43,646 INFO L225 Difference]: With dead ends: 16 [2022-11-20 21:30:43,646 INFO L226 Difference]: Without dead ends: 14 [2022-11-20 21:30:43,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-11-20 21:30:43,648 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 21:30:43,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 23 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 12 Unchecked, 0.4s Time] [2022-11-20 21:30:43,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-20 21:30:43,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-20 21:30:43,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:30:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 21:30:43,653 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-20 21:30:43,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:30:43,654 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-20 21:30:43,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:30:43,654 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 21:30:43,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 21:30:43,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:30:43,655 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-20 21:30:43,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 21:30:43,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:30:44,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-11-20 21:30:44,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt [2022-11-20 21:30:44,264 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:30:44,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:30:44,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-20 21:30:44,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:30:44,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939607696] [2022-11-20 21:30:44,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 21:30:44,269 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 [2022-11-20 21:30:44,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:30:44,270 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:30:44,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff710bf-4847-472e-8aff-1c350ebfd33e/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 21:30:45,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 21:30:45,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 21:30:45,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 2734 conjuncts, 343 conjunts are in the unsatisfiable core [2022-11-20 21:30:45,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:30:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:30:49,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:31:34,007 WARN L233 SmtUtils]: Spent 43.53s on a formula simplification. DAG size of input: 216 DAG size of output: 195 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)