./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh --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 cef92ac8e7883ee5946288e193aabb6603dfbb13ff855728bba076d4ca523599 --- 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-2329fc7 [2022-12-14 05:49:48,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:49:48,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:49:48,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:49:48,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:49:48,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:49:48,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:49:48,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:49:48,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:49:48,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:49:48,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:49:48,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:49:48,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:49:48,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:49:48,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:49:48,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:49:48,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:49:48,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:49:48,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:49:48,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:49:48,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:49:48,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:49:48,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:49:48,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:49:48,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:49:48,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:49:48,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:49:48,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:49:48,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:49:48,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:49:48,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:49:48,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:49:48,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:49:48,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:49:48,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:49:48,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:49:48,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:49:48,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:49:48,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:49:48,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:49:48,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:49:48,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 05:49:48,817 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:49:48,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:49:48,818 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:49:48,818 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:49:48,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:49:48,819 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:49:48,819 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:49:48,819 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:49:48,819 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:49:48,819 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:49:48,819 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:49:48,819 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:49:48,819 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:49:48,820 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:49:48,820 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:49:48,820 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:49:48,820 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:49:48,820 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:49:48,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:49:48,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:49:48,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:49:48,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:49:48,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:49:48,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:49:48,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:49:48,821 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:49:48,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:49:48,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:49:48,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:49:48,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:49:48,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:49:48,822 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:49:48,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:49:48,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:49:48,822 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:49:48,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:49:48,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:49:48,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:49:48,823 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_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cef92ac8e7883ee5946288e193aabb6603dfbb13ff855728bba076d4ca523599 [2022-12-14 05:49:49,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:49:49,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:49:49,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:49:49,019 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:49:49,020 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:49:49,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2022-12-14 05:49:51,497 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:49:51,756 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:49:51,757 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2022-12-14 05:49:51,767 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/data/cd7ba72df/764aa0d06de94dba8976b898a9edc2c5/FLAGb4ef0b3e1 [2022-12-14 05:49:52,081 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/data/cd7ba72df/764aa0d06de94dba8976b898a9edc2c5 [2022-12-14 05:49:52,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:49:52,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:49:52,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:49:52,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:49:52,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:49:52,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:49:52" (1/1) ... [2022-12-14 05:49:52,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547a33a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52, skipping insertion in model container [2022-12-14 05:49:52,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:49:52" (1/1) ... [2022-12-14 05:49:52,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:49:52,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:49:52,293 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_a63fa1ab-c66b-4d8d-b950-aad03b418575/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c[1107,1120] [2022-12-14 05:49:52,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:49:52,497 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:49:52,505 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_a63fa1ab-c66b-4d8d-b950-aad03b418575/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c[1107,1120] [2022-12-14 05:49:52,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:49:52,611 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:49:52,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52 WrapperNode [2022-12-14 05:49:52,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:49:52,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:49:52,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:49:52,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:49:52,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52" (1/1) ... [2022-12-14 05:49:52,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52" (1/1) ... [2022-12-14 05:49:52,708 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1736 [2022-12-14 05:49:52,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:49:52,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:49:52,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:49:52,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:49:52,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52" (1/1) ... [2022-12-14 05:49:52,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52" (1/1) ... [2022-12-14 05:49:52,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52" (1/1) ... [2022-12-14 05:49:52,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52" (1/1) ... [2022-12-14 05:49:52,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52" (1/1) ... [2022-12-14 05:49:52,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52" (1/1) ... [2022-12-14 05:49:52,762 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52" (1/1) ... [2022-12-14 05:49:52,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52" (1/1) ... [2022-12-14 05:49:52,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:49:52,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:49:52,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:49:52,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:49:52,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52" (1/1) ... [2022-12-14 05:49:52,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:49:52,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:49:52,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:49:52,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:49:52,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:49:52,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:49:53,124 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:49:53,125 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:50:44,448 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:50:44,479 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:50:44,479 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 05:50:44,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:50:44 BoogieIcfgContainer [2022-12-14 05:50:44,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:50:44,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:50:44,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:50:44,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:50:44,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:49:52" (1/3) ... [2022-12-14 05:50:44,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a61e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:50:44, skipping insertion in model container [2022-12-14 05:50:44,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:49:52" (2/3) ... [2022-12-14 05:50:44,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a61e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:50:44, skipping insertion in model container [2022-12-14 05:50:44,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:50:44" (3/3) ... [2022-12-14 05:50:44,487 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_bpbs_p4.c [2022-12-14 05:50:44,500 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:50:44,500 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:50:44,534 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:50:44,539 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;@6b6f1e4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:50:44,539 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:50:44,542 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) [2022-12-14 05:50:44,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 05:50:44,547 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:50:44,548 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 05:50:44,548 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:50:44,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:50:44,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-12-14 05:50:44,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:50:44,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318248662] [2022-12-14 05:50:44,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:50:44,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:50:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:50:45,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:50:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:50:45,354 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:50:45,355 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:50:45,356 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 05:50:45,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:50:45,361 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 05:50:45,365 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:50:45,386 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 05:50:45,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:50:45 BoogieIcfgContainer [2022-12-14 05:50:45,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:50:45,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:50:45,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:50:45,397 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:50:45,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:50:44" (3/4) ... [2022-12-14 05:50:45,400 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 05:50:45,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:50:45,401 INFO L158 Benchmark]: Toolchain (without parser) took 53313.46ms. Allocated memory was 115.3MB in the beginning and 700.4MB in the end (delta: 585.1MB). Free memory was 80.7MB in the beginning and 425.1MB in the end (delta: -344.4MB). Peak memory consumption was 242.4MB. Max. memory is 16.1GB. [2022-12-14 05:50:45,402 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:50:45,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.81ms. Allocated memory was 115.3MB in the beginning and 165.7MB in the end (delta: 50.3MB). Free memory was 80.7MB in the beginning and 114.1MB in the end (delta: -33.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-12-14 05:50:45,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.10ms. Allocated memory is still 165.7MB. Free memory was 114.1MB in the beginning and 97.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 05:50:45,403 INFO L158 Benchmark]: Boogie Preprocessor took 70.65ms. Allocated memory is still 165.7MB. Free memory was 97.3MB in the beginning and 89.8MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 05:50:45,404 INFO L158 Benchmark]: RCFGBuilder took 51700.71ms. Allocated memory was 165.7MB in the beginning and 700.4MB in the end (delta: 534.8MB). Free memory was 89.8MB in the beginning and 586.6MB in the end (delta: -496.8MB). Peak memory consumption was 403.9MB. Max. memory is 16.1GB. [2022-12-14 05:50:45,404 INFO L158 Benchmark]: TraceAbstraction took 913.71ms. Allocated memory is still 700.4MB. Free memory was 585.5MB in the beginning and 425.1MB in the end (delta: 160.4MB). Peak memory consumption was 161.5MB. Max. memory is 16.1GB. [2022-12-14 05:50:45,405 INFO L158 Benchmark]: Witness Printer took 3.44ms. Allocated memory is still 700.4MB. Free memory is still 425.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:50:45,407 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.81ms. Allocated memory was 115.3MB in the beginning and 165.7MB in the end (delta: 50.3MB). Free memory was 80.7MB in the beginning and 114.1MB in the end (delta: -33.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.10ms. Allocated memory is still 165.7MB. Free memory was 114.1MB in the beginning and 97.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.65ms. Allocated memory is still 165.7MB. Free memory was 97.3MB in the beginning and 89.8MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 51700.71ms. Allocated memory was 165.7MB in the beginning and 700.4MB in the end (delta: 534.8MB). Free memory was 89.8MB in the beginning and 586.6MB in the end (delta: -496.8MB). Peak memory consumption was 403.9MB. Max. memory is 16.1GB. * TraceAbstraction took 913.71ms. Allocated memory is still 700.4MB. Free memory was 585.5MB in the beginning and 425.1MB in the end (delta: 160.4MB). Peak memory consumption was 161.5MB. Max. memory is 16.1GB. * Witness Printer took 3.44ms. Allocated memory is still 700.4MB. Free memory is still 425.1MB. 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 262, overapproximation of bitwiseAnd at line 125. 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 - 2); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L31] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 4); [L32] const SORT_10 msb_SORT_10 = (SORT_10)1 << (4 - 1); [L34] const SORT_66 mask_SORT_66 = (SORT_66)-1 >> (sizeof(SORT_66) * 8 - 32); [L35] const SORT_66 msb_SORT_66 = (SORT_66)1 << (32 - 1); [L37] const SORT_100 mask_SORT_100 = (SORT_100)-1 >> (sizeof(SORT_100) * 8 - 3); [L38] const SORT_100 msb_SORT_100 = (SORT_100)1 << (3 - 1); [L40] const SORT_10 var_12 = 15; [L41] const SORT_1 var_16 = 1; [L42] const SORT_3 var_22 = 0; [L43] const SORT_1 var_25 = 0; [L44] const SORT_66 var_68 = 1; [L45] const SORT_3 var_106 = 3; [L46] const SORT_66 var_115 = 2; [L47] const SORT_66 var_122 = 0; [L49] SORT_1 input_2; [L50] SORT_3 input_4; [L51] SORT_3 input_5; [L52] SORT_1 input_6; [L53] SORT_3 input_7; [L54] SORT_1 input_8; [L55] SORT_1 input_9; [L56] SORT_1 input_90; [L57] SORT_3 input_105; [L58] SORT_3 input_127; [L59] SORT_3 input_128; [L60] SORT_3 input_129; [L61] SORT_3 input_137; [L62] SORT_3 input_139; [L63] SORT_3 input_141; [L64] SORT_3 input_167; [L65] SORT_3 input_168; [L66] SORT_3 input_176; [L67] SORT_3 input_178; [L68] SORT_3 input_180; [L69] SORT_3 input_182; [L70] SORT_3 input_236; [L71] SORT_3 input_245; [L72] SORT_3 input_246; [L73] SORT_3 input_247; [L74] SORT_3 input_248; [L75] SORT_3 input_273; [L76] SORT_3 input_274; [L77] SORT_3 input_275; [L78] SORT_3 input_284; [L79] SORT_3 input_330; [L80] SORT_3 input_340; [L81] SORT_3 input_341; [L82] SORT_3 input_342; [L83] SORT_3 input_343; [L84] SORT_3 input_352; [L85] SORT_3 input_371; [L86] SORT_3 input_372; [L87] SORT_3 input_373; [L88] SORT_3 input_382; [L89] SORT_3 input_384; [L90] SORT_3 input_430; [L91] SORT_3 input_441; [L92] SORT_3 input_442; [L93] SORT_3 input_443; [L94] SORT_3 input_444; [L95] SORT_3 input_453; [L96] SORT_3 input_455; [L97] SORT_3 input_475; [L98] SORT_3 input_476; [L99] SORT_3 input_477; [L100] SORT_3 input_486; [L101] SORT_3 input_488; [L102] SORT_3 input_490; [L104] SORT_10 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L105] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L106] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L107] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L108] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L109] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L110] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L111] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L112] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L113] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L114] SORT_3 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L115] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L116] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L117] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L118] SORT_3 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L119] SORT_3 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L120] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L124] input_2 = __VERIFIER_nondet_uchar() [L125] input_2 = input_2 & mask_SORT_1 [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_5 = __VERIFIER_nondet_uchar() [L128] input_6 = __VERIFIER_nondet_uchar() [L129] input_7 = __VERIFIER_nondet_uchar() [L130] input_8 = __VERIFIER_nondet_uchar() [L131] input_9 = __VERIFIER_nondet_uchar() [L132] input_9 = input_9 & mask_SORT_1 [L133] input_90 = __VERIFIER_nondet_uchar() [L134] input_105 = __VERIFIER_nondet_uchar() [L135] input_127 = __VERIFIER_nondet_uchar() [L136] input_128 = __VERIFIER_nondet_uchar() [L137] input_129 = __VERIFIER_nondet_uchar() [L138] input_137 = __VERIFIER_nondet_uchar() [L139] input_139 = __VERIFIER_nondet_uchar() [L140] input_141 = __VERIFIER_nondet_uchar() [L141] input_167 = __VERIFIER_nondet_uchar() [L142] input_168 = __VERIFIER_nondet_uchar() [L143] input_176 = __VERIFIER_nondet_uchar() [L144] input_178 = __VERIFIER_nondet_uchar() [L145] input_180 = __VERIFIER_nondet_uchar() [L146] input_182 = __VERIFIER_nondet_uchar() [L147] input_236 = __VERIFIER_nondet_uchar() [L148] input_245 = __VERIFIER_nondet_uchar() [L149] input_246 = __VERIFIER_nondet_uchar() [L150] input_247 = __VERIFIER_nondet_uchar() [L151] input_248 = __VERIFIER_nondet_uchar() [L152] input_273 = __VERIFIER_nondet_uchar() [L153] input_274 = __VERIFIER_nondet_uchar() [L154] input_275 = __VERIFIER_nondet_uchar() [L155] input_284 = __VERIFIER_nondet_uchar() [L156] input_330 = __VERIFIER_nondet_uchar() [L157] input_340 = __VERIFIER_nondet_uchar() [L158] input_341 = __VERIFIER_nondet_uchar() [L159] input_342 = __VERIFIER_nondet_uchar() [L160] input_343 = __VERIFIER_nondet_uchar() [L161] input_352 = __VERIFIER_nondet_uchar() [L162] input_371 = __VERIFIER_nondet_uchar() [L163] input_372 = __VERIFIER_nondet_uchar() [L164] input_373 = __VERIFIER_nondet_uchar() [L165] input_382 = __VERIFIER_nondet_uchar() [L166] input_384 = __VERIFIER_nondet_uchar() [L167] input_430 = __VERIFIER_nondet_uchar() [L168] input_441 = __VERIFIER_nondet_uchar() [L169] input_442 = __VERIFIER_nondet_uchar() [L170] input_443 = __VERIFIER_nondet_uchar() [L171] input_444 = __VERIFIER_nondet_uchar() [L172] input_453 = __VERIFIER_nondet_uchar() [L173] input_455 = __VERIFIER_nondet_uchar() [L174] input_475 = __VERIFIER_nondet_uchar() [L175] input_476 = __VERIFIER_nondet_uchar() [L176] input_477 = __VERIFIER_nondet_uchar() [L177] input_486 = __VERIFIER_nondet_uchar() [L178] input_488 = __VERIFIER_nondet_uchar() [L179] input_490 = __VERIFIER_nondet_uchar() [L182] SORT_10 var_13_arg_0 = state_11; [L183] SORT_10 var_13_arg_1 = var_12; [L184] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L185] SORT_1 var_20_arg_0 = var_16; [L186] SORT_3 var_20_arg_1 = state_19; [L187] SORT_3 var_20_arg_2 = state_18; [L188] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L189] SORT_1 var_17_arg_0 = var_16; [L190] SORT_3 var_17_arg_1 = state_15; [L191] SORT_3 var_17_arg_2 = state_14; [L192] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L193] SORT_1 var_21_arg_0 = var_16; [L194] SORT_3 var_21_arg_1 = var_20; [L195] SORT_3 var_21_arg_2 = var_17; [L196] SORT_3 var_21 = var_21_arg_0 ? var_21_arg_1 : var_21_arg_2; [L197] var_21 = var_21 & mask_SORT_3 [L198] SORT_3 var_23_arg_0 = var_21; [L199] SORT_3 var_23_arg_1 = var_22; [L200] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L201] SORT_1 var_24_arg_0 = var_13; [L202] SORT_1 var_24_arg_1 = var_23; [L203] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L204] SORT_1 var_27_arg_0 = var_25; [L205] SORT_3 var_27_arg_1 = state_19; [L206] SORT_3 var_27_arg_2 = state_18; [L207] SORT_3 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L208] SORT_1 var_26_arg_0 = var_25; [L209] SORT_3 var_26_arg_1 = state_15; [L210] SORT_3 var_26_arg_2 = state_14; [L211] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L212] SORT_1 var_28_arg_0 = var_16; [L213] SORT_3 var_28_arg_1 = var_27; [L214] SORT_3 var_28_arg_2 = var_26; [L215] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L216] var_28 = var_28 & mask_SORT_3 [L217] SORT_3 var_29_arg_0 = var_28; [L218] SORT_3 var_29_arg_1 = var_22; [L219] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L220] SORT_1 var_30_arg_0 = var_24; [L221] SORT_1 var_30_arg_1 = var_29; [L222] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L223] SORT_1 var_32_arg_0 = var_16; [L224] SORT_3 var_32_arg_1 = state_19; [L225] SORT_3 var_32_arg_2 = state_18; [L226] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L227] SORT_1 var_31_arg_0 = var_16; [L228] SORT_3 var_31_arg_1 = state_15; [L229] SORT_3 var_31_arg_2 = state_14; [L230] SORT_3 var_31 = var_31_arg_0 ? var_31_arg_1 : var_31_arg_2; [L231] SORT_1 var_33_arg_0 = var_25; [L232] SORT_3 var_33_arg_1 = var_32; [L233] SORT_3 var_33_arg_2 = var_31; [L234] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L235] var_33 = var_33 & mask_SORT_3 [L236] SORT_3 var_34_arg_0 = var_33; [L237] SORT_3 var_34_arg_1 = var_22; [L238] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L239] SORT_1 var_35_arg_0 = var_30; [L240] SORT_1 var_35_arg_1 = var_34; [L241] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L242] SORT_1 var_37_arg_0 = var_25; [L243] SORT_3 var_37_arg_1 = state_19; [L244] SORT_3 var_37_arg_2 = state_18; [L245] SORT_3 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L246] SORT_1 var_36_arg_0 = var_25; [L247] SORT_3 var_36_arg_1 = state_15; [L248] SORT_3 var_36_arg_2 = state_14; [L249] SORT_3 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L250] SORT_1 var_38_arg_0 = var_25; [L251] SORT_3 var_38_arg_1 = var_37; [L252] SORT_3 var_38_arg_2 = var_36; [L253] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L254] var_38 = var_38 & mask_SORT_3 [L255] SORT_3 var_39_arg_0 = var_38; [L256] SORT_3 var_39_arg_1 = var_22; [L257] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L258] SORT_1 var_40_arg_0 = var_35; [L259] SORT_1 var_40_arg_1 = var_39; [L260] SORT_1 var_40 = var_40_arg_0 & var_40_arg_1; [L261] SORT_1 var_41_arg_0 = var_40; [L262] SORT_1 var_41 = ~var_41_arg_0; [L263] SORT_1 var_44_arg_0 = var_41; [L264] SORT_1 var_44 = ~var_44_arg_0; [L265] SORT_1 var_45_arg_0 = var_16; [L266] SORT_1 var_45_arg_1 = var_44; [L267] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L268] var_45 = var_45 & mask_SORT_1 [L269] SORT_1 bad_46_arg_0 = var_45; [L270] CALL __VERIFIER_assert(!(bad_46_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: 0.8s, 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, 0.4s 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 [2022-12-14 05:50:45,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/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_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh --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 cef92ac8e7883ee5946288e193aabb6603dfbb13ff855728bba076d4ca523599 --- 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-2329fc7 [2022-12-14 05:50:47,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:50:47,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:50:47,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:50:47,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:50:47,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:50:47,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:50:47,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:50:47,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:50:47,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:50:47,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:50:47,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:50:47,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:50:47,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:50:47,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:50:47,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:50:47,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:50:47,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:50:47,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:50:47,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:50:47,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:50:47,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:50:47,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:50:47,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:50:47,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:50:47,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:50:47,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:50:47,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:50:47,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:50:47,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:50:47,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:50:47,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:50:47,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:50:47,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:50:47,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:50:47,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:50:47,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:50:47,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:50:47,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:50:47,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:50:47,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:50:47,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 05:50:47,119 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:50:47,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:50:47,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:50:47,120 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:50:47,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:50:47,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:50:47,121 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:50:47,121 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:50:47,121 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:50:47,121 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:50:47,121 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:50:47,122 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:50:47,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:50:47,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:50:47,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:50:47,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:50:47,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:50:47,123 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:50:47,124 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 05:50:47,124 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 05:50:47,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:50:47,124 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:50:47,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:50:47,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:50:47,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 05:50:47,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:50:47,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:50:47,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:50:47,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:50:47,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:50:47,126 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 05:50:47,126 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 05:50:47,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:50:47,127 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:50:47,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 05:50:47,127 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_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cef92ac8e7883ee5946288e193aabb6603dfbb13ff855728bba076d4ca523599 [2022-12-14 05:50:47,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:50:47,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:50:47,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:50:47,382 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:50:47,383 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:50:47,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2022-12-14 05:50:49,957 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:50:50,177 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:50:50,178 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2022-12-14 05:50:50,189 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/data/a541fdb1c/1cbe1969fc874529b672d4ed1bae695b/FLAG4a057d1d6 [2022-12-14 05:50:50,200 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/data/a541fdb1c/1cbe1969fc874529b672d4ed1bae695b [2022-12-14 05:50:50,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:50:50,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:50:50,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:50:50,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:50:50,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:50:50,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:50:50" (1/1) ... [2022-12-14 05:50:50,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e55bb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50, skipping insertion in model container [2022-12-14 05:50:50,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:50:50" (1/1) ... [2022-12-14 05:50:50,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:50:50,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:50:50,369 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_a63fa1ab-c66b-4d8d-b950-aad03b418575/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c[1107,1120] [2022-12-14 05:50:50,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:50:50,590 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:50:50,599 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_a63fa1ab-c66b-4d8d-b950-aad03b418575/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c[1107,1120] [2022-12-14 05:50:50,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:50:50,692 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:50:50,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50 WrapperNode [2022-12-14 05:50:50,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:50:50,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:50:50,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:50:50,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:50:50,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50" (1/1) ... [2022-12-14 05:50:50,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50" (1/1) ... [2022-12-14 05:50:50,777 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1736 [2022-12-14 05:50:50,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:50:50,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:50:50,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:50:50,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:50:50,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50" (1/1) ... [2022-12-14 05:50:50,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50" (1/1) ... [2022-12-14 05:50:50,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50" (1/1) ... [2022-12-14 05:50:50,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50" (1/1) ... [2022-12-14 05:50:50,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50" (1/1) ... [2022-12-14 05:50:50,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50" (1/1) ... [2022-12-14 05:50:50,825 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50" (1/1) ... [2022-12-14 05:50:50,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50" (1/1) ... [2022-12-14 05:50:50,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:50:50,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:50:50,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:50:50,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:50:50,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50" (1/1) ... [2022-12-14 05:50:50,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:50:50,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:50:50,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:50:50,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:50:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:50:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:50:51,187 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:50:51,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:50:52,666 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:50:52,673 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:50:52,673 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 05:50:52,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:50:52 BoogieIcfgContainer [2022-12-14 05:50:52,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:50:52,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:50:52,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:50:52,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:50:52,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:50:50" (1/3) ... [2022-12-14 05:50:52,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa4f19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:50:52, skipping insertion in model container [2022-12-14 05:50:52,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:50:50" (2/3) ... [2022-12-14 05:50:52,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa4f19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:50:52, skipping insertion in model container [2022-12-14 05:50:52,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:50:52" (3/3) ... [2022-12-14 05:50:52,683 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_bpbs_p4.c [2022-12-14 05:50:52,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:50:52,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:50:52,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:50:52,749 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;@2dd293c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:50:52,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:50:52,752 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) [2022-12-14 05:50:52,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 05:50:52,756 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:50:52,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 05:50:52,757 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:50:52,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:50:52,761 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-14 05:50:52,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:50:52,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145605303] [2022-12-14 05:50:52,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:50:52,771 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 [2022-12-14 05:50:52,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:50:52,772 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:50:52,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:50:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:50:53,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:50:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:50:53,383 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 05:50:53,385 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:50:53,386 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 05:50:53,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:50:53,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:50:53,592 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 05:50:53,595 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:50:53,612 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 05:50:53,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:50:53 BoogieIcfgContainer [2022-12-14 05:50:53,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:50:53,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:50:53,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:50:53,629 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:50:53,629 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:50:52" (3/4) ... [2022-12-14 05:50:53,631 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 05:50:53,643 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 05:50:53,718 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:50:53,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:50:53,719 INFO L158 Benchmark]: Toolchain (without parser) took 3516.42ms. Allocated memory was 77.6MB in the beginning and 172.0MB in the end (delta: 94.4MB). Free memory was 53.8MB in the beginning and 116.0MB in the end (delta: -62.2MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2022-12-14 05:50:53,720 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:50:53,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.35ms. Allocated memory is still 77.6MB. Free memory was 53.6MB in the beginning and 38.5MB in the end (delta: 15.0MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2022-12-14 05:50:53,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.51ms. Allocated memory is still 77.6MB. Free memory was 38.5MB in the beginning and 41.2MB in the end (delta: -2.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-12-14 05:50:53,721 INFO L158 Benchmark]: Boogie Preprocessor took 60.43ms. Allocated memory is still 77.6MB. Free memory was 41.2MB in the beginning and 33.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 05:50:53,721 INFO L158 Benchmark]: RCFGBuilder took 1836.52ms. Allocated memory was 77.6MB in the beginning and 142.6MB in the end (delta: 65.0MB). Free memory was 33.6MB in the beginning and 45.0MB in the end (delta: -11.5MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2022-12-14 05:50:53,721 INFO L158 Benchmark]: TraceAbstraction took 950.72ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 44.0MB in the beginning and 121.3MB in the end (delta: -77.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-12-14 05:50:53,722 INFO L158 Benchmark]: Witness Printer took 90.17ms. Allocated memory is still 172.0MB. Free memory was 121.3MB in the beginning and 116.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:50:53,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.35ms. Allocated memory is still 77.6MB. Free memory was 53.6MB in the beginning and 38.5MB in the end (delta: 15.0MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.51ms. Allocated memory is still 77.6MB. Free memory was 38.5MB in the beginning and 41.2MB in the end (delta: -2.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.43ms. Allocated memory is still 77.6MB. Free memory was 41.2MB in the beginning and 33.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1836.52ms. Allocated memory was 77.6MB in the beginning and 142.6MB in the end (delta: 65.0MB). Free memory was 33.6MB in the beginning and 45.0MB in the end (delta: -11.5MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * TraceAbstraction took 950.72ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 44.0MB in the beginning and 121.3MB in the end (delta: -77.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Witness Printer took 90.17ms. Allocated memory is still 172.0MB. Free memory was 121.3MB in the beginning and 116.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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 - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a 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 - 2); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L31] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 4); [L32] const SORT_10 msb_SORT_10 = (SORT_10)1 << (4 - 1); [L34] const SORT_66 mask_SORT_66 = (SORT_66)-1 >> (sizeof(SORT_66) * 8 - 32); [L35] const SORT_66 msb_SORT_66 = (SORT_66)1 << (32 - 1); [L37] const SORT_100 mask_SORT_100 = (SORT_100)-1 >> (sizeof(SORT_100) * 8 - 3); [L38] const SORT_100 msb_SORT_100 = (SORT_100)1 << (3 - 1); [L40] const SORT_10 var_12 = 15; [L41] const SORT_1 var_16 = 1; [L42] const SORT_3 var_22 = 0; [L43] const SORT_1 var_25 = 0; [L44] const SORT_66 var_68 = 1; [L45] const SORT_3 var_106 = 3; [L46] const SORT_66 var_115 = 2; [L47] const SORT_66 var_122 = 0; [L49] SORT_1 input_2; [L50] SORT_3 input_4; [L51] SORT_3 input_5; [L52] SORT_1 input_6; [L53] SORT_3 input_7; [L54] SORT_1 input_8; [L55] SORT_1 input_9; [L56] SORT_1 input_90; [L57] SORT_3 input_105; [L58] SORT_3 input_127; [L59] SORT_3 input_128; [L60] SORT_3 input_129; [L61] SORT_3 input_137; [L62] SORT_3 input_139; [L63] SORT_3 input_141; [L64] SORT_3 input_167; [L65] SORT_3 input_168; [L66] SORT_3 input_176; [L67] SORT_3 input_178; [L68] SORT_3 input_180; [L69] SORT_3 input_182; [L70] SORT_3 input_236; [L71] SORT_3 input_245; [L72] SORT_3 input_246; [L73] SORT_3 input_247; [L74] SORT_3 input_248; [L75] SORT_3 input_273; [L76] SORT_3 input_274; [L77] SORT_3 input_275; [L78] SORT_3 input_284; [L79] SORT_3 input_330; [L80] SORT_3 input_340; [L81] SORT_3 input_341; [L82] SORT_3 input_342; [L83] SORT_3 input_343; [L84] SORT_3 input_352; [L85] SORT_3 input_371; [L86] SORT_3 input_372; [L87] SORT_3 input_373; [L88] SORT_3 input_382; [L89] SORT_3 input_384; [L90] SORT_3 input_430; [L91] SORT_3 input_441; [L92] SORT_3 input_442; [L93] SORT_3 input_443; [L94] SORT_3 input_444; [L95] SORT_3 input_453; [L96] SORT_3 input_455; [L97] SORT_3 input_475; [L98] SORT_3 input_476; [L99] SORT_3 input_477; [L100] SORT_3 input_486; [L101] SORT_3 input_488; [L102] SORT_3 input_490; [L104] SORT_10 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L105] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L106] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L107] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L108] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L109] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L110] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L111] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L112] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L113] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L114] SORT_3 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L115] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L116] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L117] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L118] SORT_3 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L119] SORT_3 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L120] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L124] input_2 = __VERIFIER_nondet_uchar() [L125] input_2 = input_2 & mask_SORT_1 [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_5 = __VERIFIER_nondet_uchar() [L128] input_6 = __VERIFIER_nondet_uchar() [L129] input_7 = __VERIFIER_nondet_uchar() [L130] input_8 = __VERIFIER_nondet_uchar() [L131] input_9 = __VERIFIER_nondet_uchar() [L132] input_9 = input_9 & mask_SORT_1 [L133] input_90 = __VERIFIER_nondet_uchar() [L134] input_105 = __VERIFIER_nondet_uchar() [L135] input_127 = __VERIFIER_nondet_uchar() [L136] input_128 = __VERIFIER_nondet_uchar() [L137] input_129 = __VERIFIER_nondet_uchar() [L138] input_137 = __VERIFIER_nondet_uchar() [L139] input_139 = __VERIFIER_nondet_uchar() [L140] input_141 = __VERIFIER_nondet_uchar() [L141] input_167 = __VERIFIER_nondet_uchar() [L142] input_168 = __VERIFIER_nondet_uchar() [L143] input_176 = __VERIFIER_nondet_uchar() [L144] input_178 = __VERIFIER_nondet_uchar() [L145] input_180 = __VERIFIER_nondet_uchar() [L146] input_182 = __VERIFIER_nondet_uchar() [L147] input_236 = __VERIFIER_nondet_uchar() [L148] input_245 = __VERIFIER_nondet_uchar() [L149] input_246 = __VERIFIER_nondet_uchar() [L150] input_247 = __VERIFIER_nondet_uchar() [L151] input_248 = __VERIFIER_nondet_uchar() [L152] input_273 = __VERIFIER_nondet_uchar() [L153] input_274 = __VERIFIER_nondet_uchar() [L154] input_275 = __VERIFIER_nondet_uchar() [L155] input_284 = __VERIFIER_nondet_uchar() [L156] input_330 = __VERIFIER_nondet_uchar() [L157] input_340 = __VERIFIER_nondet_uchar() [L158] input_341 = __VERIFIER_nondet_uchar() [L159] input_342 = __VERIFIER_nondet_uchar() [L160] input_343 = __VERIFIER_nondet_uchar() [L161] input_352 = __VERIFIER_nondet_uchar() [L162] input_371 = __VERIFIER_nondet_uchar() [L163] input_372 = __VERIFIER_nondet_uchar() [L164] input_373 = __VERIFIER_nondet_uchar() [L165] input_382 = __VERIFIER_nondet_uchar() [L166] input_384 = __VERIFIER_nondet_uchar() [L167] input_430 = __VERIFIER_nondet_uchar() [L168] input_441 = __VERIFIER_nondet_uchar() [L169] input_442 = __VERIFIER_nondet_uchar() [L170] input_443 = __VERIFIER_nondet_uchar() [L171] input_444 = __VERIFIER_nondet_uchar() [L172] input_453 = __VERIFIER_nondet_uchar() [L173] input_455 = __VERIFIER_nondet_uchar() [L174] input_475 = __VERIFIER_nondet_uchar() [L175] input_476 = __VERIFIER_nondet_uchar() [L176] input_477 = __VERIFIER_nondet_uchar() [L177] input_486 = __VERIFIER_nondet_uchar() [L178] input_488 = __VERIFIER_nondet_uchar() [L179] input_490 = __VERIFIER_nondet_uchar() [L182] SORT_10 var_13_arg_0 = state_11; [L183] SORT_10 var_13_arg_1 = var_12; [L184] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L185] SORT_1 var_20_arg_0 = var_16; [L186] SORT_3 var_20_arg_1 = state_19; [L187] SORT_3 var_20_arg_2 = state_18; [L188] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L189] SORT_1 var_17_arg_0 = var_16; [L190] SORT_3 var_17_arg_1 = state_15; [L191] SORT_3 var_17_arg_2 = state_14; [L192] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L193] SORT_1 var_21_arg_0 = var_16; [L194] SORT_3 var_21_arg_1 = var_20; [L195] SORT_3 var_21_arg_2 = var_17; [L196] SORT_3 var_21 = var_21_arg_0 ? var_21_arg_1 : var_21_arg_2; [L197] var_21 = var_21 & mask_SORT_3 [L198] SORT_3 var_23_arg_0 = var_21; [L199] SORT_3 var_23_arg_1 = var_22; [L200] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L201] SORT_1 var_24_arg_0 = var_13; [L202] SORT_1 var_24_arg_1 = var_23; [L203] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L204] SORT_1 var_27_arg_0 = var_25; [L205] SORT_3 var_27_arg_1 = state_19; [L206] SORT_3 var_27_arg_2 = state_18; [L207] SORT_3 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L208] SORT_1 var_26_arg_0 = var_25; [L209] SORT_3 var_26_arg_1 = state_15; [L210] SORT_3 var_26_arg_2 = state_14; [L211] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L212] SORT_1 var_28_arg_0 = var_16; [L213] SORT_3 var_28_arg_1 = var_27; [L214] SORT_3 var_28_arg_2 = var_26; [L215] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L216] var_28 = var_28 & mask_SORT_3 [L217] SORT_3 var_29_arg_0 = var_28; [L218] SORT_3 var_29_arg_1 = var_22; [L219] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L220] SORT_1 var_30_arg_0 = var_24; [L221] SORT_1 var_30_arg_1 = var_29; [L222] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L223] SORT_1 var_32_arg_0 = var_16; [L224] SORT_3 var_32_arg_1 = state_19; [L225] SORT_3 var_32_arg_2 = state_18; [L226] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L227] SORT_1 var_31_arg_0 = var_16; [L228] SORT_3 var_31_arg_1 = state_15; [L229] SORT_3 var_31_arg_2 = state_14; [L230] SORT_3 var_31 = var_31_arg_0 ? var_31_arg_1 : var_31_arg_2; [L231] SORT_1 var_33_arg_0 = var_25; [L232] SORT_3 var_33_arg_1 = var_32; [L233] SORT_3 var_33_arg_2 = var_31; [L234] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L235] var_33 = var_33 & mask_SORT_3 [L236] SORT_3 var_34_arg_0 = var_33; [L237] SORT_3 var_34_arg_1 = var_22; [L238] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L239] SORT_1 var_35_arg_0 = var_30; [L240] SORT_1 var_35_arg_1 = var_34; [L241] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L242] SORT_1 var_37_arg_0 = var_25; [L243] SORT_3 var_37_arg_1 = state_19; [L244] SORT_3 var_37_arg_2 = state_18; [L245] SORT_3 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L246] SORT_1 var_36_arg_0 = var_25; [L247] SORT_3 var_36_arg_1 = state_15; [L248] SORT_3 var_36_arg_2 = state_14; [L249] SORT_3 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L250] SORT_1 var_38_arg_0 = var_25; [L251] SORT_3 var_38_arg_1 = var_37; [L252] SORT_3 var_38_arg_2 = var_36; [L253] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L254] var_38 = var_38 & mask_SORT_3 [L255] SORT_3 var_39_arg_0 = var_38; [L256] SORT_3 var_39_arg_1 = var_22; [L257] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L258] SORT_1 var_40_arg_0 = var_35; [L259] SORT_1 var_40_arg_1 = var_39; [L260] SORT_1 var_40 = var_40_arg_0 & var_40_arg_1; [L261] SORT_1 var_41_arg_0 = var_40; [L262] SORT_1 var_41 = ~var_41_arg_0; [L263] SORT_1 var_44_arg_0 = var_41; [L264] SORT_1 var_44 = ~var_44_arg_0; [L265] SORT_1 var_45_arg_0 = var_16; [L266] SORT_1 var_45_arg_1 = var_44; [L267] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L268] var_45 = var_45 & mask_SORT_1 [L269] SORT_1 bad_46_arg_0 = var_45; [L270] CALL __VERIFIER_assert(!(bad_46_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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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 proved your program to be incorrect! [2022-12-14 05:50:53,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63fa1ab-c66b-4d8d-b950-aad03b418575/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE