./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a55279f4902e2d215af953f0a5b477ae98deec0723da38b19ff005dc823ff8bf --- 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-e04fb08 [2022-11-16 12:50:47,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:50:47,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:50:47,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:50:47,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:50:47,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:50:47,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:50:47,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:50:47,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:50:47,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:50:47,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:50:47,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:50:47,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:50:47,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:50:47,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:50:47,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:50:47,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:50:47,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:50:47,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:50:47,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:50:47,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:50:47,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:50:47,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:50:47,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:50:47,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:50:47,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:50:47,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:50:47,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:50:47,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:50:47,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:50:47,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:50:47,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:50:47,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:50:47,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:50:47,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:50:47,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:50:47,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:50:47,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:50:47,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:50:47,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:50:47,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:50:47,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:50:47,521 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:50:47,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:50:47,528 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:50:47,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:50:47,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:50:47,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:50:47,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:50:47,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:50:47,534 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:50:47,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:50:47,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:50:47,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:50:47,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:50:47,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:50:47,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:50:47,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:50:47,537 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:50:47,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:50:47,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:50:47,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:50:47,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:50:47,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:50:47,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:50:47,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:50:47,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:50:47,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:50:47,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:50:47,542 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:50:47,543 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:50:47,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:50:47,544 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_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a55279f4902e2d215af953f0a5b477ae98deec0723da38b19ff005dc823ff8bf [2022-11-16 12:50:47,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:50:47,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:50:47,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:50:47,930 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:50:47,932 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:50:47,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2022-11-16 12:50:48,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/data/541b5ee82/708aac509d924593a8c52d3d9acc2cd9/FLAGcdeca95ad [2022-11-16 12:50:48,653 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:50:48,658 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2022-11-16 12:50:48,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/data/541b5ee82/708aac509d924593a8c52d3d9acc2cd9/FLAGcdeca95ad [2022-11-16 12:50:48,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/data/541b5ee82/708aac509d924593a8c52d3d9acc2cd9 [2022-11-16 12:50:48,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:50:48,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:50:48,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:48,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:50:48,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:50:48,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:48" (1/1) ... [2022-11-16 12:50:49,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a5f87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:48, skipping insertion in model container [2022-11-16 12:50:49,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:48" (1/1) ... [2022-11-16 12:50:49,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:50:49,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:50:49,261 WARN L229 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_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1107,1120] [2022-11-16 12:50:49,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:49,365 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:50:49,378 WARN L229 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_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1107,1120] [2022-11-16 12:50:49,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:49,448 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:50:49,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:49 WrapperNode [2022-11-16 12:50:49,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:49,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:49,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:50:49,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:50:49,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:49" (1/1) ... [2022-11-16 12:50:49,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:49" (1/1) ... [2022-11-16 12:50:49,547 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 250 [2022-11-16 12:50:49,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:49,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:50:49,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:50:49,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:50:49,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:49" (1/1) ... [2022-11-16 12:50:49,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:49" (1/1) ... [2022-11-16 12:50:49,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:49" (1/1) ... [2022-11-16 12:50:49,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:49" (1/1) ... [2022-11-16 12:50:49,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:49" (1/1) ... [2022-11-16 12:50:49,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:49" (1/1) ... [2022-11-16 12:50:49,606 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:49" (1/1) ... [2022-11-16 12:50:49,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:49" (1/1) ... [2022-11-16 12:50:49,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:50:49,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:50:49,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:50:49,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:50:49,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:49" (1/1) ... [2022-11-16 12:50:49,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:50:49,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:50:49,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:50:49,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:50:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:50:49,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:50:49,991 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:50:49,994 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:50:51,274 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:50:51,282 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:50:51,283 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:50:51,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:51 BoogieIcfgContainer [2022-11-16 12:50:51,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:50:51,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:50:51,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:50:51,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:50:51,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:50:48" (1/3) ... [2022-11-16 12:50:51,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1fd60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:50:51, skipping insertion in model container [2022-11-16 12:50:51,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:49" (2/3) ... [2022-11-16 12:50:51,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1fd60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:50:51, skipping insertion in model container [2022-11-16 12:50:51,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:51" (3/3) ... [2022-11-16 12:50:51,298 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Barrel.c [2022-11-16 12:50:51,322 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:50:51,323 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:50:51,381 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:50:51,390 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=PETRI_NET, 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;@68e61c08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:50:51,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:50:51,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:51,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 12:50:51,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:50:51,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:51,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:50:51,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:51,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1809713074, now seen corresponding path program 1 times [2022-11-16 12:50:51,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:51,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254399790] [2022-11-16 12:50:51,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:51,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:52,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:50:52,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:50:52,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254399790] [2022-11-16 12:50:52,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254399790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:50:52,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:50:52,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:50:52,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679622507] [2022-11-16 12:50:52,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:50:52,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:50:52,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:50:52,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:50:52,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:50:52,902 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:53,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:50:53,366 INFO L93 Difference]: Finished difference Result 31 states and 47 transitions. [2022-11-16 12:50:53,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:50:53,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-16 12:50:53,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:50:53,381 INFO L225 Difference]: With dead ends: 31 [2022-11-16 12:50:53,382 INFO L226 Difference]: Without dead ends: 19 [2022-11-16 12:50:53,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:50:53,392 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 12 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:50:53,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 28 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 12:50:53,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-16 12:50:53,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 12. [2022-11-16 12:50:53,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:53,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2022-11-16 12:50:53,427 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 7 [2022-11-16 12:50:53,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:50:53,428 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2022-11-16 12:50:53,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:53,429 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-11-16 12:50:53,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 12:50:53,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:50:53,430 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:53,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:50:53,430 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:50:53,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:53,431 INFO L85 PathProgramCache]: Analyzing trace with hash 268255406, now seen corresponding path program 1 times [2022-11-16 12:50:53,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:53,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614359541] [2022-11-16 12:50:53,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:53,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:55,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:57,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:50:57,348 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:50:57,352 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:50:57,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:50:57,362 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 12:50:57,366 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:50:57,446 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:50:57,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:50:57 BoogieIcfgContainer [2022-11-16 12:50:57,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:50:57,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:50:57,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:50:57,476 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:50:57,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:51" (3/4) ... [2022-11-16 12:50:57,480 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:50:57,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:50:57,482 INFO L158 Benchmark]: Toolchain (without parser) took 8492.13ms. Allocated memory was 123.7MB in the beginning and 220.2MB in the end (delta: 96.5MB). Free memory was 79.6MB in the beginning and 73.8MB in the end (delta: 5.8MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2022-11-16 12:50:57,483 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 123.7MB. Free memory was 96.3MB in the beginning and 96.3MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:50:57,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.86ms. Allocated memory is still 123.7MB. Free memory was 79.4MB in the beginning and 93.7MB in the end (delta: -14.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-16 12:50:57,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.44ms. Allocated memory is still 123.7MB. Free memory was 93.7MB in the beginning and 90.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:50:57,485 INFO L158 Benchmark]: Boogie Preprocessor took 76.41ms. Allocated memory is still 123.7MB. Free memory was 90.2MB in the beginning and 88.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:50:57,486 INFO L158 Benchmark]: RCFGBuilder took 1660.67ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 88.1MB in the beginning and 75.6MB in the end (delta: 12.5MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2022-11-16 12:50:57,487 INFO L158 Benchmark]: TraceAbstraction took 6185.56ms. Allocated memory was 148.9MB in the beginning and 220.2MB in the end (delta: 71.3MB). Free memory was 74.6MB in the beginning and 74.9MB in the end (delta: -302.4kB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2022-11-16 12:50:57,487 INFO L158 Benchmark]: Witness Printer took 5.71ms. Allocated memory is still 220.2MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:50:57,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 123.7MB. Free memory was 96.3MB in the beginning and 96.3MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.86ms. Allocated memory is still 123.7MB. Free memory was 79.4MB in the beginning and 93.7MB in the end (delta: -14.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.44ms. Allocated memory is still 123.7MB. Free memory was 93.7MB in the beginning and 90.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.41ms. Allocated memory is still 123.7MB. Free memory was 90.2MB in the beginning and 88.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1660.67ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 88.1MB in the beginning and 75.6MB in the end (delta: 12.5MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6185.56ms. Allocated memory was 148.9MB in the beginning and 220.2MB in the end (delta: 71.3MB). Free memory was 74.6MB in the beginning and 74.9MB in the end (delta: -302.4kB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * Witness Printer took 5.71ms. Allocated memory is still 220.2MB. Free memory is still 73.8MB. 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 244, overapproximation of bitwiseOr at line 62, overapproximation of bitwiseAnd at line 74. 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_3 var_4 = 0; [L32] const SORT_1 var_78 = 1; [L34] SORT_1 input_2; [L36] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L37] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L38] SORT_3 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L39] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L41] SORT_3 init_6_arg_1 = var_4; [L42] state_5 = init_6_arg_1 [L43] SORT_3 init_9_arg_1 = var_4; [L44] state_8 = init_9_arg_1 [L45] SORT_3 init_26_arg_1 = var_4; [L46] state_25 = init_26_arg_1 [L47] SORT_3 init_44_arg_1 = var_4; [L48] state_43 = init_44_arg_1 VAL [init_26_arg_1=0, init_44_arg_1=0, init_6_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_3=3, msb_SORT_1=1, msb_SORT_3=2, state_25=0, state_43=0, state_5=0, state_8=0, var_4=0, var_78=1] [L51] input_2 = __VERIFIER_nondet_uchar() [L54] SORT_3 var_7_arg_0 = state_5; [L55] SORT_3 var_7_arg_1 = var_4; [L56] SORT_1 var_7 = var_7_arg_0 != var_7_arg_1; [L57] SORT_3 var_10_arg_0 = state_8; [L58] SORT_3 var_10_arg_1 = var_4; [L59] SORT_1 var_10 = var_10_arg_0 == var_10_arg_1; [L60] SORT_1 var_11_arg_0 = var_7; [L61] SORT_1 var_11_arg_1 = var_10; [L62] SORT_1 var_11 = var_11_arg_0 | var_11_arg_1; [L63] SORT_3 var_12_arg_0 = state_5; [L64] SORT_3 var_12_arg_1 = var_4; [L65] SORT_1 var_12 = var_12_arg_0 != var_12_arg_1; [L66] SORT_3 var_13_arg_0 = state_8; [L67] SORT_3 var_13_arg_1 = var_4; [L68] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L69] SORT_1 var_14_arg_0 = var_12; [L70] SORT_1 var_14_arg_1 = var_13; [L71] SORT_1 var_14 = var_14_arg_0 | var_14_arg_1; [L72] SORT_1 var_15_arg_0 = var_11; [L73] SORT_1 var_15_arg_1 = var_14; [L74] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L75] SORT_3 var_16_arg_0 = state_5; [L76] SORT_3 var_16_arg_1 = var_4; [L77] SORT_1 var_16 = var_16_arg_0 != var_16_arg_1; [L78] SORT_3 var_17_arg_0 = state_8; [L79] SORT_3 var_17_arg_1 = var_4; [L80] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L81] SORT_1 var_18_arg_0 = var_16; [L82] SORT_1 var_18_arg_1 = var_17; [L83] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L84] SORT_1 var_19_arg_0 = var_15; [L85] SORT_1 var_19_arg_1 = var_18; [L86] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L87] SORT_3 var_20_arg_0 = state_5; [L88] SORT_3 var_20_arg_1 = var_4; [L89] SORT_1 var_20 = var_20_arg_0 != var_20_arg_1; [L90] SORT_3 var_21_arg_0 = state_8; [L91] SORT_3 var_21_arg_1 = var_4; [L92] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L93] SORT_1 var_22_arg_0 = var_20; [L94] SORT_1 var_22_arg_1 = var_21; [L95] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L96] SORT_1 var_23_arg_0 = var_19; [L97] SORT_1 var_23_arg_1 = var_22; [L98] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L99] SORT_3 var_24_arg_0 = state_8; [L100] SORT_3 var_24_arg_1 = var_4; [L101] SORT_1 var_24 = var_24_arg_0 != var_24_arg_1; [L102] SORT_3 var_27_arg_0 = state_25; [L103] SORT_3 var_27_arg_1 = var_4; [L104] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L105] SORT_1 var_28_arg_0 = var_24; [L106] SORT_1 var_28_arg_1 = var_27; [L107] SORT_1 var_28 = var_28_arg_0 | var_28_arg_1; [L108] SORT_1 var_29_arg_0 = var_23; [L109] SORT_1 var_29_arg_1 = var_28; [L110] SORT_1 var_29 = var_29_arg_0 & var_29_arg_1; [L111] SORT_3 var_30_arg_0 = state_8; [L112] SORT_3 var_30_arg_1 = var_4; [L113] SORT_1 var_30 = var_30_arg_0 != var_30_arg_1; [L114] SORT_3 var_31_arg_0 = state_25; [L115] SORT_3 var_31_arg_1 = var_4; [L116] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L117] SORT_1 var_32_arg_0 = var_30; [L118] SORT_1 var_32_arg_1 = var_31; [L119] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L120] SORT_1 var_33_arg_0 = var_29; [L121] SORT_1 var_33_arg_1 = var_32; [L122] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L123] SORT_3 var_34_arg_0 = state_8; [L124] SORT_3 var_34_arg_1 = var_4; [L125] SORT_1 var_34 = var_34_arg_0 != var_34_arg_1; [L126] SORT_3 var_35_arg_0 = state_25; [L127] SORT_3 var_35_arg_1 = var_4; [L128] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L129] SORT_1 var_36_arg_0 = var_34; [L130] SORT_1 var_36_arg_1 = var_35; [L131] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L132] SORT_1 var_37_arg_0 = var_33; [L133] SORT_1 var_37_arg_1 = var_36; [L134] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L135] SORT_3 var_38_arg_0 = state_8; [L136] SORT_3 var_38_arg_1 = var_4; [L137] SORT_1 var_38 = var_38_arg_0 != var_38_arg_1; [L138] SORT_3 var_39_arg_0 = state_25; [L139] SORT_3 var_39_arg_1 = var_4; [L140] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L141] SORT_1 var_40_arg_0 = var_38; [L142] SORT_1 var_40_arg_1 = var_39; [L143] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L144] SORT_1 var_41_arg_0 = var_37; [L145] SORT_1 var_41_arg_1 = var_40; [L146] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L147] SORT_3 var_42_arg_0 = state_25; [L148] SORT_3 var_42_arg_1 = var_4; [L149] SORT_1 var_42 = var_42_arg_0 != var_42_arg_1; [L150] SORT_3 var_45_arg_0 = state_43; [L151] SORT_3 var_45_arg_1 = var_4; [L152] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L153] SORT_1 var_46_arg_0 = var_42; [L154] SORT_1 var_46_arg_1 = var_45; [L155] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L156] SORT_1 var_47_arg_0 = var_41; [L157] SORT_1 var_47_arg_1 = var_46; [L158] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L159] SORT_3 var_48_arg_0 = state_25; [L160] SORT_3 var_48_arg_1 = var_4; [L161] SORT_1 var_48 = var_48_arg_0 != var_48_arg_1; [L162] SORT_3 var_49_arg_0 = state_43; [L163] SORT_3 var_49_arg_1 = var_4; [L164] SORT_1 var_49 = var_49_arg_0 == var_49_arg_1; [L165] SORT_1 var_50_arg_0 = var_48; [L166] SORT_1 var_50_arg_1 = var_49; [L167] SORT_1 var_50 = var_50_arg_0 | var_50_arg_1; [L168] SORT_1 var_51_arg_0 = var_47; [L169] SORT_1 var_51_arg_1 = var_50; [L170] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; [L171] SORT_3 var_52_arg_0 = state_25; [L172] SORT_3 var_52_arg_1 = var_4; [L173] SORT_1 var_52 = var_52_arg_0 != var_52_arg_1; [L174] SORT_3 var_53_arg_0 = state_43; [L175] SORT_3 var_53_arg_1 = var_4; [L176] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L177] SORT_1 var_54_arg_0 = var_52; [L178] SORT_1 var_54_arg_1 = var_53; [L179] SORT_1 var_54 = var_54_arg_0 | var_54_arg_1; [L180] SORT_1 var_55_arg_0 = var_51; [L181] SORT_1 var_55_arg_1 = var_54; [L182] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L183] SORT_3 var_56_arg_0 = state_25; [L184] SORT_3 var_56_arg_1 = var_4; [L185] SORT_1 var_56 = var_56_arg_0 != var_56_arg_1; [L186] SORT_3 var_57_arg_0 = state_43; [L187] SORT_3 var_57_arg_1 = var_4; [L188] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L189] SORT_1 var_58_arg_0 = var_56; [L190] SORT_1 var_58_arg_1 = var_57; [L191] SORT_1 var_58 = var_58_arg_0 | var_58_arg_1; [L192] SORT_1 var_59_arg_0 = var_55; [L193] SORT_1 var_59_arg_1 = var_58; [L194] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L195] SORT_3 var_60_arg_0 = state_43; [L196] SORT_3 var_60_arg_1 = var_4; [L197] SORT_1 var_60 = var_60_arg_0 != var_60_arg_1; [L198] SORT_3 var_61_arg_0 = state_5; [L199] SORT_3 var_61_arg_1 = var_4; [L200] SORT_1 var_61 = var_61_arg_0 == var_61_arg_1; [L201] SORT_1 var_62_arg_0 = var_60; [L202] SORT_1 var_62_arg_1 = var_61; [L203] SORT_1 var_62 = var_62_arg_0 | var_62_arg_1; [L204] SORT_1 var_63_arg_0 = var_59; [L205] SORT_1 var_63_arg_1 = var_62; [L206] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L207] SORT_3 var_64_arg_0 = state_43; [L208] SORT_3 var_64_arg_1 = var_4; [L209] SORT_1 var_64 = var_64_arg_0 != var_64_arg_1; [L210] SORT_3 var_65_arg_0 = state_5; [L211] SORT_3 var_65_arg_1 = var_4; [L212] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L213] SORT_1 var_66_arg_0 = var_64; [L214] SORT_1 var_66_arg_1 = var_65; [L215] SORT_1 var_66 = var_66_arg_0 | var_66_arg_1; [L216] SORT_1 var_67_arg_0 = var_63; [L217] SORT_1 var_67_arg_1 = var_66; [L218] SORT_1 var_67 = var_67_arg_0 & var_67_arg_1; [L219] SORT_3 var_68_arg_0 = state_43; [L220] SORT_3 var_68_arg_1 = var_4; [L221] SORT_1 var_68 = var_68_arg_0 != var_68_arg_1; [L222] SORT_3 var_69_arg_0 = state_5; [L223] SORT_3 var_69_arg_1 = var_4; [L224] SORT_1 var_69 = var_69_arg_0 == var_69_arg_1; [L225] SORT_1 var_70_arg_0 = var_68; [L226] SORT_1 var_70_arg_1 = var_69; [L227] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L228] SORT_1 var_71_arg_0 = var_67; [L229] SORT_1 var_71_arg_1 = var_70; [L230] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L231] SORT_3 var_72_arg_0 = state_43; [L232] SORT_3 var_72_arg_1 = var_4; [L233] SORT_1 var_72 = var_72_arg_0 != var_72_arg_1; [L234] SORT_3 var_73_arg_0 = state_5; [L235] SORT_3 var_73_arg_1 = var_4; [L236] SORT_1 var_73 = var_73_arg_0 == var_73_arg_1; [L237] SORT_1 var_74_arg_0 = var_72; [L238] SORT_1 var_74_arg_1 = var_73; [L239] SORT_1 var_74 = var_74_arg_0 | var_74_arg_1; [L240] SORT_1 var_75_arg_0 = var_71; [L241] SORT_1 var_75_arg_1 = var_74; [L242] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L243] SORT_1 var_79_arg_0 = var_75; [L244] SORT_1 var_79 = ~var_79_arg_0; [L245] SORT_1 var_80_arg_0 = var_78; [L246] SORT_1 var_80_arg_1 = var_79; [L247] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; VAL [init_26_arg_1=0, init_44_arg_1=0, init_6_arg_1=0, init_9_arg_1=0, input_2=4, mask_SORT_1=1, mask_SORT_3=3, msb_SORT_1=1, msb_SORT_3=2, state_25=0, state_43=0, state_5=0, state_8=0, var_10=1, var_10_arg_0=0, var_10_arg_1=0, var_11=1, var_11_arg_0=0, var_11_arg_1=1, var_12=0, var_12_arg_0=0, var_12_arg_1=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_14=1, var_14_arg_0=0, var_14_arg_1=1, var_15=1, var_15_arg_0=1, var_15_arg_1=1, var_16=0, var_16_arg_0=0, var_16_arg_1=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=0, var_18_arg_1=1, var_19=1, var_19_arg_0=1, var_19_arg_1=1, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_22=1, var_22_arg_0=0, var_22_arg_1=1, var_23=1, var_23_arg_0=1, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=1, var_28_arg_0=0, var_28_arg_1=1, var_29=1, var_29_arg_0=1, var_29_arg_1=1, var_30=0, var_30_arg_0=0, var_30_arg_1=0, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=1, var_32_arg_0=0, var_32_arg_1=1, var_33=1, var_33_arg_0=1, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=1, var_36_arg_0=0, var_36_arg_1=1, var_37=1, var_37_arg_0=1, var_37_arg_1=1, var_38=0, var_38_arg_0=0, var_38_arg_1=0, var_39=1, var_39_arg_0=0, var_39_arg_1=0, var_4=0, var_40=1, var_40_arg_0=0, var_40_arg_1=1, var_41=1, var_41_arg_0=1, var_41_arg_1=1, var_42=0, var_42_arg_0=0, var_42_arg_1=0, var_45=1, var_45_arg_0=0, var_45_arg_1=0, var_46=1, var_46_arg_0=0, var_46_arg_1=1, var_47=1, var_47_arg_0=1, var_47_arg_1=1, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_50=1, var_50_arg_0=0, var_50_arg_1=1, var_51=1, var_51_arg_0=1, var_51_arg_1=1, var_52=0, var_52_arg_0=0, var_52_arg_1=0, var_53=1, var_53_arg_0=0, var_53_arg_1=0, var_54=1, var_54_arg_0=0, var_54_arg_1=1, var_55=1, var_55_arg_0=1, var_55_arg_1=1, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=1, var_57_arg_0=0, var_57_arg_1=0, var_58=1, var_58_arg_0=0, var_58_arg_1=1, var_59=1, var_59_arg_0=1, var_59_arg_1=1, var_60=0, var_60_arg_0=0, var_60_arg_1=0, var_61=1, var_61_arg_0=0, var_61_arg_1=0, var_62=1, var_62_arg_0=0, var_62_arg_1=1, var_63=1, var_63_arg_0=1, var_63_arg_1=1, var_64=0, var_64_arg_0=0, var_64_arg_1=0, var_65=1, var_65_arg_0=0, var_65_arg_1=0, var_66=1, var_66_arg_0=0, var_66_arg_1=1, var_67=1, var_67_arg_0=1, var_67_arg_1=1, var_68=0, var_68_arg_0=0, var_68_arg_1=0, var_69=1, var_69_arg_0=0, var_69_arg_1=0, var_7=0, var_70=1, var_70_arg_0=0, var_70_arg_1=1, var_71=1, var_71_arg_0=1, var_71_arg_1=1, var_72=0, var_72_arg_0=0, var_72_arg_1=0, var_73=1, var_73_arg_0=0, var_73_arg_1=0, var_74=1, var_74_arg_0=0, var_74_arg_1=1, var_75=1, var_75_arg_0=1, var_75_arg_1=1, var_78=1, var_79=255, var_79_arg_0=1, var_7_arg_0=0, var_7_arg_1=0, var_80=1, var_80_arg_0=1, var_80_arg_1=255] [L248] var_80 = var_80 & mask_SORT_1 VAL [init_26_arg_1=0, init_44_arg_1=0, init_6_arg_1=0, init_9_arg_1=0, input_2=4, mask_SORT_1=1, mask_SORT_3=3, msb_SORT_1=1, msb_SORT_3=2, state_25=0, state_43=0, state_5=0, state_8=0, var_10=1, var_10_arg_0=0, var_10_arg_1=0, var_11=1, var_11_arg_0=0, var_11_arg_1=1, var_12=0, var_12_arg_0=0, var_12_arg_1=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_14=1, var_14_arg_0=0, var_14_arg_1=1, var_15=1, var_15_arg_0=1, var_15_arg_1=1, var_16=0, var_16_arg_0=0, var_16_arg_1=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=0, var_18_arg_1=1, var_19=1, var_19_arg_0=1, var_19_arg_1=1, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_22=1, var_22_arg_0=0, var_22_arg_1=1, var_23=1, var_23_arg_0=1, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_28=1, var_28_arg_0=0, var_28_arg_1=1, var_29=1, var_29_arg_0=1, var_29_arg_1=1, var_30=0, var_30_arg_0=0, var_30_arg_1=0, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=1, var_32_arg_0=0, var_32_arg_1=1, var_33=1, var_33_arg_0=1, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=1, var_36_arg_0=0, var_36_arg_1=1, var_37=1, var_37_arg_0=1, var_37_arg_1=1, var_38=0, var_38_arg_0=0, var_38_arg_1=0, var_39=1, var_39_arg_0=0, var_39_arg_1=0, var_4=0, var_40=1, var_40_arg_0=0, var_40_arg_1=1, var_41=1, var_41_arg_0=1, var_41_arg_1=1, var_42=0, var_42_arg_0=0, var_42_arg_1=0, var_45=1, var_45_arg_0=0, var_45_arg_1=0, var_46=1, var_46_arg_0=0, var_46_arg_1=1, var_47=1, var_47_arg_0=1, var_47_arg_1=1, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_50=1, var_50_arg_0=0, var_50_arg_1=1, var_51=1, var_51_arg_0=1, var_51_arg_1=1, var_52=0, var_52_arg_0=0, var_52_arg_1=0, var_53=1, var_53_arg_0=0, var_53_arg_1=0, var_54=1, var_54_arg_0=0, var_54_arg_1=1, var_55=1, var_55_arg_0=1, var_55_arg_1=1, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=1, var_57_arg_0=0, var_57_arg_1=0, var_58=1, var_58_arg_0=0, var_58_arg_1=1, var_59=1, var_59_arg_0=1, var_59_arg_1=1, var_60=0, var_60_arg_0=0, var_60_arg_1=0, var_61=1, var_61_arg_0=0, var_61_arg_1=0, var_62=1, var_62_arg_0=0, var_62_arg_1=1, var_63=1, var_63_arg_0=1, var_63_arg_1=1, var_64=0, var_64_arg_0=0, var_64_arg_1=0, var_65=1, var_65_arg_0=0, var_65_arg_1=0, var_66=1, var_66_arg_0=0, var_66_arg_1=1, var_67=1, var_67_arg_0=1, var_67_arg_1=1, var_68=0, var_68_arg_0=0, var_68_arg_1=0, var_69=1, var_69_arg_0=0, var_69_arg_1=0, var_7=0, var_70=1, var_70_arg_0=0, var_70_arg_1=1, var_71=1, var_71_arg_0=1, var_71_arg_1=1, var_72=0, var_72_arg_0=0, var_72_arg_1=0, var_73=1, var_73_arg_0=0, var_73_arg_1=0, var_74=1, var_74_arg_0=0, var_74_arg_1=1, var_75=1, var_75_arg_0=1, var_75_arg_1=1, var_78=1, var_79=255, var_79_arg_0=1, var_7_arg_0=0, var_7_arg_1=0, var_80=1, var_80_arg_0=1, var_80_arg_1=255] [L249] SORT_1 bad_81_arg_0 = var_80; [L250] CALL __VERIFIER_assert(!(bad_81_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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 15 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 12:50:57,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a55279f4902e2d215af953f0a5b477ae98deec0723da38b19ff005dc823ff8bf --- 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-e04fb08 [2022-11-16 12:51:00,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:51:00,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:51:00,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:51:00,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:51:00,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:51:00,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:51:00,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:51:00,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:51:00,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:51:00,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:51:00,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:51:00,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:51:00,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:51:00,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:51:00,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:51:00,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:51:00,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:51:00,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:51:00,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:51:00,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:51:00,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:51:00,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:51:00,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:51:00,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:51:00,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:51:00,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:51:00,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:51:00,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:51:00,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:51:00,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:51:00,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:51:00,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:51:00,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:51:00,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:51:00,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:51:00,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:51:00,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:51:00,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:51:00,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:51:00,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:51:00,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 12:51:00,401 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:51:00,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:51:00,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:51:00,403 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:51:00,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:51:00,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:51:00,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:51:00,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:51:00,407 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:51:00,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:51:00,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:51:00,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:51:00,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:51:00,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:51:00,410 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:51:00,410 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:51:00,410 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:51:00,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:51:00,411 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:51:00,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:51:00,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:51:00,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:51:00,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:51:00,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:51:00,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:51:00,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:51:00,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:51:00,414 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:51:00,414 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:51:00,414 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:51:00,415 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:51:00,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:51:00,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:51:00,416 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_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a55279f4902e2d215af953f0a5b477ae98deec0723da38b19ff005dc823ff8bf [2022-11-16 12:51:00,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:51:00,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:51:00,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:51:00,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:51:00,900 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:51:00,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2022-11-16 12:51:00,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/data/599e7c03c/c10c65ee45764e0ca682b7cc7da5ae3a/FLAGe4ade2bdd [2022-11-16 12:51:01,718 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:51:01,719 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c [2022-11-16 12:51:01,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/data/599e7c03c/c10c65ee45764e0ca682b7cc7da5ae3a/FLAGe4ade2bdd [2022-11-16 12:51:02,001 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/data/599e7c03c/c10c65ee45764e0ca682b7cc7da5ae3a [2022-11-16 12:51:02,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:51:02,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:51:02,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:51:02,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:51:02,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:51:02,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:51:02" (1/1) ... [2022-11-16 12:51:02,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30cfbe21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02, skipping insertion in model container [2022-11-16 12:51:02,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:51:02" (1/1) ... [2022-11-16 12:51:02,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:51:02,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:51:02,221 WARN L229 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_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1107,1120] [2022-11-16 12:51:02,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:51:02,333 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:51:02,375 WARN L229 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_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Barrel.c[1107,1120] [2022-11-16 12:51:02,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:51:02,492 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:51:02,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02 WrapperNode [2022-11-16 12:51:02,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:51:02,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:51:02,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:51:02,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:51:02,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02" (1/1) ... [2022-11-16 12:51:02,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02" (1/1) ... [2022-11-16 12:51:02,556 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 243 [2022-11-16 12:51:02,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:51:02,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:51:02,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:51:02,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:51:02,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02" (1/1) ... [2022-11-16 12:51:02,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02" (1/1) ... [2022-11-16 12:51:02,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02" (1/1) ... [2022-11-16 12:51:02,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02" (1/1) ... [2022-11-16 12:51:02,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02" (1/1) ... [2022-11-16 12:51:02,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02" (1/1) ... [2022-11-16 12:51:02,596 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02" (1/1) ... [2022-11-16 12:51:02,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02" (1/1) ... [2022-11-16 12:51:02,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:51:02,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:51:02,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:51:02,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:51:02,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02" (1/1) ... [2022-11-16 12:51:02,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:51:02,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:51:02,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:51:02,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:51:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:51:02,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:51:02,911 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:51:02,914 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:51:03,423 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:51:03,431 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:51:03,431 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:51:03,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:51:03 BoogieIcfgContainer [2022-11-16 12:51:03,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:51:03,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:51:03,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:51:03,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:51:03,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:51:02" (1/3) ... [2022-11-16 12:51:03,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ddd95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:51:03, skipping insertion in model container [2022-11-16 12:51:03,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:51:02" (2/3) ... [2022-11-16 12:51:03,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ddd95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:51:03, skipping insertion in model container [2022-11-16 12:51:03,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:51:03" (3/3) ... [2022-11-16 12:51:03,443 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Barrel.c [2022-11-16 12:51:03,465 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:51:03,465 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:51:03,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:51:03,551 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=PETRI_NET, 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;@53193a98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:51:03,552 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:51:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:51:03,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 12:51:03,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:51:03,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 12:51:03,566 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:51:03,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:51:03,573 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 12:51:03,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:51:03,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [848575218] [2022-11-16 12:51:03,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:51:03,592 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:51:03,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:51:03,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:51:03,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 12:51:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:51:03,926 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 143 conjunts are in the unsatisfiable core [2022-11-16 12:51:03,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:51:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:51:06,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:51:06,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:51:06,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [848575218] [2022-11-16 12:51:06,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [848575218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:51:06,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:51:06,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:51:06,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515681579] [2022-11-16 12:51:06,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:51:06,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:51:06,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:51:06,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:51:06,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:51:06,379 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:51:06,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:51:06,490 INFO L93 Difference]: Finished difference Result 15 states and 22 transitions. [2022-11-16 12:51:06,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:51:06,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-16 12:51:06,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:51:06,508 INFO L225 Difference]: With dead ends: 15 [2022-11-16 12:51:06,509 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:51:06,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:51:06,522 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:51:06,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:51:06,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:51:06,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:51:06,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:51:06,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:51:06,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-16 12:51:06,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:51:06,558 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:51:06,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:51:06,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:51:06,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:51:06,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:51:06,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:51:06,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:51:06,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:51:06,850 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:51:06,851 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:51:06,851 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:51:06,851 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:51:06,852 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-16 12:51:06,853 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-16 12:51:06,853 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-16 12:51:06,853 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-16 12:51:06,854 INFO L895 garLoopResultBuilder]: At program point L49-2(lines 49 261) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~state_8~0#1| |ULTIMATE.start_main_~var_4~0#1|) (= |ULTIMATE.start_main_~state_5~0#1| |ULTIMATE.start_main_~var_4~0#1|) (= |ULTIMATE.start_main_~var_4~0#1| |ULTIMATE.start_main_~state_43~0#1|) (= |ULTIMATE.start_main_~var_4~0#1| |ULTIMATE.start_main_~state_25~0#1|) (= |ULTIMATE.start_main_~var_4~0#1| (_ bv0 8))) [2022-11-16 12:51:06,855 INFO L899 garLoopResultBuilder]: For program point L49-3(lines 49 261) no Hoare annotation was computed. [2022-11-16 12:51:06,855 INFO L895 garLoopResultBuilder]: At program point L262(lines 22 263) the Hoare annotation is: false [2022-11-16 12:51:06,864 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 12:51:06,867 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:51:06,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:51:06 BoogieIcfgContainer [2022-11-16 12:51:06,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:51:06,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:51:06,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:51:06,892 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:51:06,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:51:03" (3/4) ... [2022-11-16 12:51:06,897 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:51:06,911 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 12:51:06,911 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 12:51:06,912 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:51:06,990 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:51:06,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:51:06,991 INFO L158 Benchmark]: Toolchain (without parser) took 4985.54ms. Allocated memory was 52.4MB in the beginning and 207.6MB in the end (delta: 155.2MB). Free memory was 29.2MB in the beginning and 164.2MB in the end (delta: -135.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-11-16 12:51:06,991 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:51:06,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.09ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.0MB in the beginning and 43.3MB in the end (delta: -14.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-11-16 12:51:06,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.86ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 40.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:51:06,993 INFO L158 Benchmark]: Boogie Preprocessor took 45.36ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 38.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:51:06,993 INFO L158 Benchmark]: RCFGBuilder took 829.81ms. Allocated memory is still 62.9MB. Free memory was 38.2MB in the beginning and 39.3MB in the end (delta: -1.2MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-11-16 12:51:06,993 INFO L158 Benchmark]: TraceAbstraction took 3455.35ms. Allocated memory was 62.9MB in the beginning and 207.6MB in the end (delta: 144.7MB). Free memory was 38.6MB in the beginning and 169.5MB in the end (delta: -130.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-11-16 12:51:06,994 INFO L158 Benchmark]: Witness Printer took 98.25ms. Allocated memory is still 207.6MB. Free memory was 169.5MB in the beginning and 164.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:51:06,996 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.09ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.0MB in the beginning and 43.3MB in the end (delta: -14.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.86ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 40.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.36ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 38.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 829.81ms. Allocated memory is still 62.9MB. Free memory was 38.2MB in the beginning and 39.3MB in the end (delta: -1.2MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3455.35ms. Allocated memory was 62.9MB in the beginning and 207.6MB in the end (delta: 144.7MB). Free memory was 38.6MB in the beginning and 169.5MB in the end (delta: -130.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 98.25ms. Allocated memory is still 207.6MB. Free memory was 169.5MB in the beginning and 164.2MB 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 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 20 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 23 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 158 NumberOfNonLiveVariables, 217 ConjunctsInSsa, 143 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((((1bv8 == mask_SORT_1 && state_8 == var_4) && state_5 == var_4) && var_4 == state_43) && var_4 == state_25) && var_4 == 0bv8 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-16 12:51:07,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b3d43d-3ab5-49c0-8376-5d6dee0b0b4d/bin/uautomizer-tPACEb0tL8/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 Writing output log to file Ultimate.log Result: TRUE