./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 483359f38d6962f5cc2932ef011ca5a5b5187116b1f9c8117622fc7081a2a26b --- 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 12:43:40,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:43:40,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:43:40,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:43:40,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:43:40,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:43:40,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:43:40,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:43:40,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:43:40,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:43:40,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:43:40,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:43:40,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:43:40,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:43:40,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:43:40,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:43:40,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:43:40,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:43:40,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:43:40,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:43:40,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:43:40,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:43:40,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:43:40,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:43:40,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:43:40,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:43:40,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:43:40,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:43:40,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:43:40,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:43:40,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:43:40,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:43:40,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:43:40,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:43:40,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:43:40,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:43:40,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:43:40,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:43:40,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:43:40,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:43:40,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:43:40,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:43:40,146 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:43:40,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:43:40,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:43:40,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:43:40,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:43:40,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:43:40,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:43:40,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:43:40,149 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:43:40,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:43:40,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:43:40,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:43:40,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:43:40,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:43:40,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:43:40,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:43:40,151 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:43:40,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:43:40,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:43:40,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:43:40,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:43:40,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:40,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:43:40,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:43:40,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:43:40,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:43:40,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:43:40,153 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:43:40,153 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:43:40,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:43:40,153 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_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 483359f38d6962f5cc2932ef011ca5a5b5187116b1f9c8117622fc7081a2a26b [2022-11-16 12:43:40,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:43:40,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:43:40,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:43:40,467 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:43:40,470 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:43:40,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2022-11-16 12:43:40,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/data/189012157/3888fedcc5d54cab868df5a0a13782be/FLAG61a7313f6 [2022-11-16 12:43:41,283 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:43:41,283 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2022-11-16 12:43:41,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/data/189012157/3888fedcc5d54cab868df5a0a13782be/FLAG61a7313f6 [2022-11-16 12:43:41,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/data/189012157/3888fedcc5d54cab868df5a0a13782be [2022-11-16 12:43:41,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:43:41,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:43:41,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:41,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:43:41,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:43:41,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:41" (1/1) ... [2022-11-16 12:43:41,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f9a63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:41, skipping insertion in model container [2022-11-16 12:43:41,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:41" (1/1) ... [2022-11-16 12:43:41,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:43:41,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:43:41,817 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_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1107,1120] [2022-11-16 12:43:42,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:42,275 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:43:42,287 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_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1107,1120] [2022-11-16 12:43:42,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:42,492 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:43:42,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:42 WrapperNode [2022-11-16 12:43:42,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:42,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:42,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:43:42,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:43:42,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:42" (1/1) ... [2022-11-16 12:43:42,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:42" (1/1) ... [2022-11-16 12:43:42,723 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2907 [2022-11-16 12:43:42,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:42,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:43:42,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:43:42,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:43:42,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:42" (1/1) ... [2022-11-16 12:43:42,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:42" (1/1) ... [2022-11-16 12:43:42,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:42" (1/1) ... [2022-11-16 12:43:42,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:42" (1/1) ... [2022-11-16 12:43:42,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:42" (1/1) ... [2022-11-16 12:43:42,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:42" (1/1) ... [2022-11-16 12:43:42,865 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:42" (1/1) ... [2022-11-16 12:43:42,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:42" (1/1) ... [2022-11-16 12:43:42,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:43:42,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:43:42,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:43:42,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:43:42,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:42" (1/1) ... [2022-11-16 12:43:42,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:42,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:42,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:42,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:43:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:43:43,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:43:43,542 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:43:43,544 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:43:46,174 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:43:46,186 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:43:46,186 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:43:46,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:46 BoogieIcfgContainer [2022-11-16 12:43:46,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:43:46,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:43:46,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:43:46,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:43:46,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:43:41" (1/3) ... [2022-11-16 12:43:46,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d29c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:46, skipping insertion in model container [2022-11-16 12:43:46,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:42" (2/3) ... [2022-11-16 12:43:46,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d29c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:46, skipping insertion in model container [2022-11-16 12:43:46,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:46" (3/3) ... [2022-11-16 12:43:46,199 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2022-11-16 12:43:46,219 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:43:46,220 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:43:46,316 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:43:46,328 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;@24872b53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:43:46,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:43:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 491 states, 489 states have (on average 1.6625766871165644) internal successors, (813), 490 states have internal predecessors, (813), 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 12:43:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 12:43:46,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:43:46,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:46,343 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:43:46,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:46,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1428179117, now seen corresponding path program 1 times [2022-11-16 12:43:46,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:46,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875023375] [2022-11-16 12:43:46,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:46,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:47,051 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 12:43:47,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:47,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875023375] [2022-11-16 12:43:47,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875023375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:47,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:47,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:43:47,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876759381] [2022-11-16 12:43:47,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:47,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:43:47,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:47,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:43:47,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:43:47,106 INFO L87 Difference]: Start difference. First operand has 491 states, 489 states have (on average 1.6625766871165644) internal successors, (813), 490 states have internal predecessors, (813), 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 3.25) internal successors, (13), 4 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 12:43:47,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:43:47,328 INFO L93 Difference]: Finished difference Result 1471 states and 2447 transitions. [2022-11-16 12:43:47,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:43:47,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) Word has length 13 [2022-11-16 12:43:47,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:43:47,361 INFO L225 Difference]: With dead ends: 1471 [2022-11-16 12:43:47,361 INFO L226 Difference]: Without dead ends: 982 [2022-11-16 12:43:47,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 12:43:47,375 INFO L413 NwaCegarLoop]: 825 mSDtfsCounter, 2397 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:43:47,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 1663 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:43:47,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2022-11-16 12:43:47,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 489. [2022-11-16 12:43:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 488 states have (on average 1.6577868852459017) internal successors, (809), 488 states have internal predecessors, (809), 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 12:43:47,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 809 transitions. [2022-11-16 12:43:47,450 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 809 transitions. Word has length 13 [2022-11-16 12:43:47,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:43:47,450 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 809 transitions. [2022-11-16 12:43:47,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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 12:43:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 809 transitions. [2022-11-16 12:43:47,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 12:43:47,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:43:47,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:47,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:43:47,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:43:47,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:47,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1325604663, now seen corresponding path program 1 times [2022-11-16 12:43:47,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:47,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563930383] [2022-11-16 12:43:47,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:47,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:47,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:43:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:47,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:43:47,705 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:43:47,707 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:43:47,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:43:47,716 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 12:43:47,720 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:43:47,784 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:43:47,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:43:47 BoogieIcfgContainer [2022-11-16 12:43:47,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:43:47,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:43:47,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:43:47,799 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:43:47,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:46" (3/4) ... [2022-11-16 12:43:47,803 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:43:47,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:43:47,804 INFO L158 Benchmark]: Toolchain (without parser) took 6340.44ms. Allocated memory was 127.9MB in the beginning and 323.0MB in the end (delta: 195.0MB). Free memory was 86.3MB in the beginning and 168.3MB in the end (delta: -82.0MB). Peak memory consumption was 112.1MB. Max. memory is 16.1GB. [2022-11-16 12:43:47,805 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:43:47,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1029.14ms. Allocated memory is still 127.9MB. Free memory was 86.1MB in the beginning and 90.7MB in the end (delta: -4.6MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2022-11-16 12:43:47,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 228.08ms. Allocated memory was 127.9MB in the beginning and 203.4MB in the end (delta: 75.5MB). Free memory was 90.7MB in the beginning and 144.3MB in the end (delta: -53.6MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-11-16 12:43:47,806 INFO L158 Benchmark]: Boogie Preprocessor took 206.48ms. Allocated memory is still 203.4MB. Free memory was 144.3MB in the beginning and 131.5MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:43:47,807 INFO L158 Benchmark]: RCFGBuilder took 3258.11ms. Allocated memory is still 203.4MB. Free memory was 131.5MB in the beginning and 86.8MB in the end (delta: 44.8MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2022-11-16 12:43:47,808 INFO L158 Benchmark]: TraceAbstraction took 1606.94ms. Allocated memory was 203.4MB in the beginning and 323.0MB in the end (delta: 119.5MB). Free memory was 86.8MB in the beginning and 168.3MB in the end (delta: -81.6MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-11-16 12:43:47,808 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 323.0MB. Free memory was 168.3MB in the beginning and 168.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:43:47,812 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1029.14ms. Allocated memory is still 127.9MB. Free memory was 86.1MB in the beginning and 90.7MB in the end (delta: -4.6MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 228.08ms. Allocated memory was 127.9MB in the beginning and 203.4MB in the end (delta: 75.5MB). Free memory was 90.7MB in the beginning and 144.3MB in the end (delta: -53.6MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 206.48ms. Allocated memory is still 203.4MB. Free memory was 144.3MB in the beginning and 131.5MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3258.11ms. Allocated memory is still 203.4MB. Free memory was 131.5MB in the beginning and 86.8MB in the end (delta: 44.8MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1606.94ms. Allocated memory was 203.4MB in the beginning and 323.0MB in the end (delta: 119.5MB). Free memory was 86.8MB in the beginning and 168.3MB in the end (delta: -81.6MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 323.0MB. Free memory was 168.3MB in the beginning and 168.3MB in the end (delta: 2.6kB). 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 207, overapproximation of bitwiseOr at line 202, overapproximation of bitwiseAnd at line 210. 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 - 16); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L31] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 2); [L32] const SORT_9 msb_SORT_9 = (SORT_9)1 << (2 - 1); [L34] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 3); [L35] const SORT_14 msb_SORT_14 = (SORT_14)1 << (3 - 1); [L37] const SORT_41 mask_SORT_41 = (SORT_41)-1 >> (sizeof(SORT_41) * 8 - 12); [L38] const SORT_41 msb_SORT_41 = (SORT_41)1 << (12 - 1); [L40] const SORT_97 mask_SORT_97 = (SORT_97)-1 >> (sizeof(SORT_97) * 8 - 17); [L41] const SORT_97 msb_SORT_97 = (SORT_97)1 << (17 - 1); [L43] const SORT_98 mask_SORT_98 = (SORT_98)-1 >> (sizeof(SORT_98) * 8 - 5); [L44] const SORT_98 msb_SORT_98 = (SORT_98)1 << (5 - 1); [L46] const SORT_101 mask_SORT_101 = (SORT_101)-1 >> (sizeof(SORT_101) * 8 - 9); [L47] const SORT_101 msb_SORT_101 = (SORT_101)1 << (9 - 1); [L49] const SORT_103 mask_SORT_103 = (SORT_103)-1 >> (sizeof(SORT_103) * 8 - 10); [L50] const SORT_103 msb_SORT_103 = (SORT_103)1 << (10 - 1); [L52] const SORT_106 mask_SORT_106 = (SORT_106)-1 >> (sizeof(SORT_106) * 8 - 11); [L53] const SORT_106 msb_SORT_106 = (SORT_106)1 << (11 - 1); [L55] const SORT_111 mask_SORT_111 = (SORT_111)-1 >> (sizeof(SORT_111) * 8 - 13); [L56] const SORT_111 msb_SORT_111 = (SORT_111)1 << (13 - 1); [L58] const SORT_114 mask_SORT_114 = (SORT_114)-1 >> (sizeof(SORT_114) * 8 - 14); [L59] const SORT_114 msb_SORT_114 = (SORT_114)1 << (14 - 1); [L61] const SORT_117 mask_SORT_117 = (SORT_117)-1 >> (sizeof(SORT_117) * 8 - 15); [L62] const SORT_117 msb_SORT_117 = (SORT_117)1 << (15 - 1); [L64] const SORT_150 mask_SORT_150 = (SORT_150)-1 >> (sizeof(SORT_150) * 8 - 7); [L65] const SORT_150 msb_SORT_150 = (SORT_150)1 << (7 - 1); [L67] const SORT_366 mask_SORT_366 = (SORT_366)-1 >> (sizeof(SORT_366) * 8 - 4); [L68] const SORT_366 msb_SORT_366 = (SORT_366)1 << (4 - 1); [L70] const SORT_369 mask_SORT_369 = (SORT_369)-1 >> (sizeof(SORT_369) * 8 - 6); [L71] const SORT_369 msb_SORT_369 = (SORT_369)1 << (6 - 1); [L73] const SORT_372 mask_SORT_372 = (SORT_372)-1 >> (sizeof(SORT_372) * 8 - 8); [L74] const SORT_372 msb_SORT_372 = (SORT_372)1 << (8 - 1); [L76] const SORT_3 var_6 = 0; [L77] const SORT_14 var_15 = 0; [L78] const SORT_9 var_19 = 0; [L79] const SORT_1 var_30 = 1; [L80] const SORT_1 var_36 = 0; [L81] const SORT_41 var_42 = 0; [L82] const SORT_14 var_56 = 2; [L83] const SORT_14 var_60 = 1; [L84] const SORT_14 var_65 = 4; [L85] const SORT_14 var_67 = 5; [L86] const SORT_14 var_71 = 3; [L87] const SORT_98 var_99 = 0; [L88] const SORT_150 var_152 = 5; [L89] const SORT_150 var_156 = 4; [L90] const SORT_150 var_160 = 3; [L91] const SORT_150 var_164 = 2; [L92] const SORT_150 var_168 = 1; [L93] const SORT_150 var_172 = 0; [L94] const SORT_41 var_195 = 2; [L95] const SORT_3 var_217 = 65535; [L97] SORT_1 input_2; [L98] SORT_3 input_4; [L99] SORT_3 input_5; [L100] SORT_3 input_207; [L101] SORT_3 input_208; [L102] SORT_3 input_209; [L103] SORT_3 input_216; [L104] SORT_3 input_224; [L105] SORT_3 input_225; [L106] SORT_3 input_226; [L107] SORT_3 input_229; [L108] SORT_3 input_247; [L109] SORT_3 input_248; [L110] SORT_3 input_249; [L111] SORT_3 input_252; [L112] SORT_3 input_254; [L113] SORT_9 input_268; [L114] SORT_9 input_269; [L115] SORT_9 input_270; [L117] SORT_3 state_7 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L118] SORT_14 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_14; [L119] SORT_3 state_21 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L120] SORT_3 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L121] SORT_3 state_34 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L122] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] SORT_3 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L124] SORT_41 state_43 = __VERIFIER_nondet_ushort() & mask_SORT_41; [L125] SORT_41 state_45 = __VERIFIER_nondet_ushort() & mask_SORT_41; [L126] SORT_3 state_47 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L127] SORT_3 state_49 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L128] SORT_3 state_51 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L129] SORT_3 state_53 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L131] SORT_3 init_8_arg_1 = var_6; [L132] state_7 = init_8_arg_1 [L133] SORT_14 init_17_arg_1 = var_15; [L134] state_16 = init_17_arg_1 [L135] SORT_3 init_22_arg_1 = var_6; [L136] state_21 = init_22_arg_1 [L137] SORT_3 init_24_arg_1 = var_6; [L138] state_23 = init_24_arg_1 [L139] SORT_3 init_35_arg_1 = var_6; [L140] state_34 = init_35_arg_1 [L141] SORT_1 init_38_arg_1 = var_36; [L142] state_37 = init_38_arg_1 [L143] SORT_3 init_40_arg_1 = var_6; [L144] state_39 = init_40_arg_1 [L145] SORT_41 init_44_arg_1 = var_42; [L146] state_43 = init_44_arg_1 [L147] SORT_41 init_46_arg_1 = var_42; [L148] state_45 = init_46_arg_1 [L149] SORT_3 init_48_arg_1 = var_6; [L150] state_47 = init_48_arg_1 [L151] SORT_3 init_50_arg_1 = var_6; [L152] state_49 = init_50_arg_1 [L153] SORT_3 init_52_arg_1 = var_6; [L154] state_51 = init_52_arg_1 [L155] SORT_3 init_54_arg_1 = var_6; [L156] state_53 = init_54_arg_1 VAL [init_17_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_8_arg_1=0, mask_SORT_1=1, mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_3=65535, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_41=4095, mask_SORT_9=3, mask_SORT_97=4294967295, mask_SORT_98=31, msb_SORT_1=1, msb_SORT_101=256, msb_SORT_103=512, msb_SORT_106=1024, msb_SORT_111=4096, msb_SORT_114=8192, msb_SORT_117=16384, msb_SORT_14=4, msb_SORT_150=64, msb_SORT_3=32768, msb_SORT_366=8, msb_SORT_369=32, msb_SORT_372=128, msb_SORT_41=2048, msb_SORT_9=2, msb_SORT_97=65536, msb_SORT_98=16, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_15=0, var_152=5, var_156=4, var_160=3, var_164=2, var_168=1, var_172=0, var_19=0, var_195=2, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_6=0, var_60=1, var_65=4, var_67=5, var_71=3, var_99=0] [L159] input_2 = __VERIFIER_nondet_uchar() [L160] input_4 = __VERIFIER_nondet_ushort() [L161] input_5 = __VERIFIER_nondet_ushort() [L162] input_207 = __VERIFIER_nondet_ushort() [L163] input_208 = __VERIFIER_nondet_ushort() [L164] input_209 = __VERIFIER_nondet_ushort() [L165] input_216 = __VERIFIER_nondet_ushort() [L166] input_224 = __VERIFIER_nondet_ushort() [L167] input_225 = __VERIFIER_nondet_ushort() [L168] input_226 = __VERIFIER_nondet_ushort() [L169] input_229 = __VERIFIER_nondet_ushort() [L170] input_247 = __VERIFIER_nondet_ushort() [L171] input_248 = __VERIFIER_nondet_ushort() [L172] input_249 = __VERIFIER_nondet_ushort() [L173] input_252 = __VERIFIER_nondet_ushort() [L174] input_254 = __VERIFIER_nondet_ushort() [L175] input_268 = __VERIFIER_nondet_uchar() [L176] input_269 = __VERIFIER_nondet_uchar() [L177] input_270 = __VERIFIER_nondet_uchar() [L180] SORT_3 var_10_arg_0 = state_7; [L181] SORT_9 var_10 = var_10_arg_0 >> 3; VAL [init_17_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_8_arg_1=0, input_2=15, input_207=4, input_208=8, input_209=2, input_216=16, input_224=1, input_225=11, input_226=6, input_229=18, input_247=13, input_248=17, input_249=9, input_252=19, input_254=12, input_268=14, input_269=5, input_270=3, input_4=10, input_5=7, mask_SORT_1=1, mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_3=65535, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_41=4095, mask_SORT_9=3, mask_SORT_97=4294967295, mask_SORT_98=31, msb_SORT_1=1, msb_SORT_101=256, msb_SORT_103=512, msb_SORT_106=1024, msb_SORT_111=4096, msb_SORT_114=8192, msb_SORT_117=16384, msb_SORT_14=4, msb_SORT_150=64, msb_SORT_3=32768, msb_SORT_366=8, msb_SORT_369=32, msb_SORT_372=128, msb_SORT_41=2048, msb_SORT_9=2, msb_SORT_97=65536, msb_SORT_98=16, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_10_arg_0=0, var_15=0, var_152=5, var_156=4, var_160=3, var_164=2, var_168=1, var_172=0, var_19=0, var_195=2, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_6=0, var_60=1, var_65=4, var_67=5, var_71=3, var_99=0] [L182] var_10 = var_10 & mask_SORT_9 VAL [init_17_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_8_arg_1=0, input_2=15, input_207=4, input_208=8, input_209=2, input_216=16, input_224=1, input_225=11, input_226=6, input_229=18, input_247=13, input_248=17, input_249=9, input_252=19, input_254=12, input_268=14, input_269=5, input_270=3, input_4=10, input_5=7, mask_SORT_1=1, mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_3=65535, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_41=4095, mask_SORT_9=3, mask_SORT_97=4294967295, mask_SORT_98=31, msb_SORT_1=1, msb_SORT_101=256, msb_SORT_103=512, msb_SORT_106=1024, msb_SORT_111=4096, msb_SORT_114=8192, msb_SORT_117=16384, msb_SORT_14=4, msb_SORT_150=64, msb_SORT_3=32768, msb_SORT_366=8, msb_SORT_369=32, msb_SORT_372=128, msb_SORT_41=2048, msb_SORT_9=2, msb_SORT_97=65536, msb_SORT_98=16, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_10_arg_0=0, var_15=0, var_152=5, var_156=4, var_160=3, var_164=2, var_168=1, var_172=0, var_19=0, var_195=2, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_6=0, var_60=1, var_65=4, var_67=5, var_71=3, var_99=0] [L183] SORT_3 var_11_arg_0 = state_7; [L184] SORT_9 var_11 = var_11_arg_0 >> 5; VAL [init_17_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_8_arg_1=0, input_2=15, input_207=4, input_208=8, input_209=2, input_216=16, input_224=1, input_225=11, input_226=6, input_229=18, input_247=13, input_248=17, input_249=9, input_252=19, input_254=12, input_268=14, input_269=5, input_270=3, input_4=10, input_5=7, mask_SORT_1=1, mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_3=65535, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_41=4095, mask_SORT_9=3, mask_SORT_97=4294967295, mask_SORT_98=31, msb_SORT_1=1, msb_SORT_101=256, msb_SORT_103=512, msb_SORT_106=1024, msb_SORT_111=4096, msb_SORT_114=8192, msb_SORT_117=16384, msb_SORT_14=4, msb_SORT_150=64, msb_SORT_3=32768, msb_SORT_366=8, msb_SORT_369=32, msb_SORT_372=128, msb_SORT_41=2048, msb_SORT_9=2, msb_SORT_97=65536, msb_SORT_98=16, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=0, var_11_arg_0=0, var_15=0, var_152=5, var_156=4, var_160=3, var_164=2, var_168=1, var_172=0, var_19=0, var_195=2, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_6=0, var_60=1, var_65=4, var_67=5, var_71=3, var_99=0] [L185] var_11 = var_11 & mask_SORT_9 VAL [init_17_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_8_arg_1=0, input_2=15, input_207=4, input_208=8, input_209=2, input_216=16, input_224=1, input_225=11, input_226=6, input_229=18, input_247=13, input_248=17, input_249=9, input_252=19, input_254=12, input_268=14, input_269=5, input_270=3, input_4=10, input_5=7, mask_SORT_1=1, mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_3=65535, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_41=4095, mask_SORT_9=3, mask_SORT_97=4294967295, mask_SORT_98=31, msb_SORT_1=1, msb_SORT_101=256, msb_SORT_103=512, msb_SORT_106=1024, msb_SORT_111=4096, msb_SORT_114=8192, msb_SORT_117=16384, msb_SORT_14=4, msb_SORT_150=64, msb_SORT_3=32768, msb_SORT_366=8, msb_SORT_369=32, msb_SORT_372=128, msb_SORT_41=2048, msb_SORT_9=2, msb_SORT_97=65536, msb_SORT_98=16, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=0, var_11_arg_0=0, var_15=0, var_152=5, var_156=4, var_160=3, var_164=2, var_168=1, var_172=0, var_19=0, var_195=2, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_6=0, var_60=1, var_65=4, var_67=5, var_71=3, var_99=0] [L186] SORT_9 var_12_arg_0 = var_10; [L187] SORT_9 var_12_arg_1 = var_11; [L188] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L189] SORT_1 var_13_arg_0 = var_12; [L190] SORT_1 var_13 = ~var_13_arg_0; [L191] SORT_14 var_18_arg_0 = state_16; [L192] SORT_9 var_18 = var_18_arg_0 >> 1; VAL [init_17_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_8_arg_1=0, input_2=15, input_207=4, input_208=8, input_209=2, input_216=16, input_224=1, input_225=11, input_226=6, input_229=18, input_247=13, input_248=17, input_249=9, input_252=19, input_254=12, input_268=14, input_269=5, input_270=3, input_4=10, input_5=7, mask_SORT_1=1, mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_3=65535, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_41=4095, mask_SORT_9=3, mask_SORT_97=4294967295, mask_SORT_98=31, msb_SORT_1=1, msb_SORT_101=256, msb_SORT_103=512, msb_SORT_106=1024, msb_SORT_111=4096, msb_SORT_114=8192, msb_SORT_117=16384, msb_SORT_14=4, msb_SORT_150=64, msb_SORT_3=32768, msb_SORT_366=8, msb_SORT_369=32, msb_SORT_372=128, msb_SORT_41=2048, msb_SORT_9=2, msb_SORT_97=65536, msb_SORT_98=16, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=0, var_11_arg_0=0, var_12=1, var_12_arg_0=0, var_12_arg_1=0, var_13_arg_0=1, var_15=0, var_152=5, var_156=4, var_160=3, var_164=2, var_168=1, var_172=0, var_18=0, var_18_arg_0=0, var_19=0, var_195=2, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_6=0, var_60=1, var_65=4, var_67=5, var_71=3, var_99=0] [L193] var_18 = var_18 & mask_SORT_9 VAL [init_17_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_8_arg_1=0, input_2=15, input_207=4, input_208=8, input_209=2, input_216=16, input_224=1, input_225=11, input_226=6, input_229=18, input_247=13, input_248=17, input_249=9, input_252=19, input_254=12, input_268=14, input_269=5, input_270=3, input_4=10, input_5=7, mask_SORT_1=1, mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_3=65535, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_41=4095, mask_SORT_9=3, mask_SORT_97=4294967295, mask_SORT_98=31, msb_SORT_1=1, msb_SORT_101=256, msb_SORT_103=512, msb_SORT_106=1024, msb_SORT_111=4096, msb_SORT_114=8192, msb_SORT_117=16384, msb_SORT_14=4, msb_SORT_150=64, msb_SORT_3=32768, msb_SORT_366=8, msb_SORT_369=32, msb_SORT_372=128, msb_SORT_41=2048, msb_SORT_9=2, msb_SORT_97=65536, msb_SORT_98=16, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=0, var_11_arg_0=0, var_12=1, var_12_arg_0=0, var_12_arg_1=0, var_13_arg_0=1, var_15=0, var_152=5, var_156=4, var_160=3, var_164=2, var_168=1, var_172=0, var_18=0, var_18_arg_0=0, var_19=0, var_195=2, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_6=0, var_60=1, var_65=4, var_67=5, var_71=3, var_99=0] [L194] SORT_9 var_20_arg_0 = var_18; [L195] SORT_9 var_20_arg_1 = var_19; [L196] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L197] SORT_3 var_25_arg_0 = state_21; [L198] SORT_3 var_25_arg_1 = state_23; [L199] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L200] SORT_1 var_26_arg_0 = var_20; [L201] SORT_1 var_26_arg_1 = var_25; [L202] SORT_1 var_26 = var_26_arg_0 | var_26_arg_1; [L203] SORT_1 var_27_arg_0 = var_13; [L204] SORT_1 var_27_arg_1 = var_26; [L205] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L206] SORT_1 var_31_arg_0 = var_27; [L207] SORT_1 var_31 = ~var_31_arg_0; [L208] SORT_1 var_32_arg_0 = var_30; [L209] SORT_1 var_32_arg_1 = var_31; [L210] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; VAL [init_17_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_8_arg_1=0, input_2=15, input_207=4, input_208=8, input_209=2, input_216=16, input_224=1, input_225=11, input_226=6, input_229=18, input_247=13, input_248=17, input_249=9, input_252=19, input_254=12, input_268=14, input_269=5, input_270=3, input_4=10, input_5=7, mask_SORT_1=1, mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_3=65535, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_41=4095, mask_SORT_9=3, mask_SORT_97=4294967295, mask_SORT_98=31, msb_SORT_1=1, msb_SORT_101=256, msb_SORT_103=512, msb_SORT_106=1024, msb_SORT_111=4096, msb_SORT_114=8192, msb_SORT_117=16384, msb_SORT_14=4, msb_SORT_150=64, msb_SORT_3=32768, msb_SORT_366=8, msb_SORT_369=32, msb_SORT_372=128, msb_SORT_41=2048, msb_SORT_9=2, msb_SORT_97=65536, msb_SORT_98=16, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=0, var_11_arg_0=0, var_12=1, var_12_arg_0=0, var_12_arg_1=0, var_13=1, var_13_arg_0=1, var_15=0, var_152=5, var_156=4, var_160=3, var_164=2, var_168=1, var_172=0, var_18=0, var_18_arg_0=0, var_19=0, var_195=2, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_217=65535, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26=1, var_26_arg_0=1, var_26_arg_1=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_30=1, var_31=2, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=2, var_36=0, var_42=0, var_56=2, var_6=0, var_60=1, var_65=4, var_67=5, var_71=3, var_99=0] [L211] var_32 = var_32 & mask_SORT_1 VAL [init_17_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_8_arg_1=0, input_2=15, input_207=4, input_208=8, input_209=2, input_216=16, input_224=1, input_225=11, input_226=6, input_229=18, input_247=13, input_248=17, input_249=9, input_252=19, input_254=12, input_268=14, input_269=5, input_270=3, input_4=10, input_5=7, mask_SORT_1=1, mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_3=65535, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_41=4095, mask_SORT_9=3, mask_SORT_97=4294967295, mask_SORT_98=31, msb_SORT_1=1, msb_SORT_101=256, msb_SORT_103=512, msb_SORT_106=1024, msb_SORT_111=4096, msb_SORT_114=8192, msb_SORT_117=16384, msb_SORT_14=4, msb_SORT_150=64, msb_SORT_3=32768, msb_SORT_366=8, msb_SORT_369=32, msb_SORT_372=128, msb_SORT_41=2048, msb_SORT_9=2, msb_SORT_97=65536, msb_SORT_98=16, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=0, var_11_arg_0=0, var_12=1, var_12_arg_0=0, var_12_arg_1=0, var_13=1, var_13_arg_0=1, var_15=0, var_152=5, var_156=4, var_160=3, var_164=2, var_168=1, var_172=0, var_18=0, var_18_arg_0=0, var_19=0, var_195=2, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_217=65535, var_25=1, var_25_arg_0=0, var_25_arg_1=0, var_26=1, var_26_arg_0=1, var_26_arg_1=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_30=1, var_31=2, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=2, var_36=0, var_42=0, var_56=2, var_6=0, var_60=1, var_65=4, var_67=5, var_71=3, var_99=0] [L212] SORT_1 bad_33_arg_0 = var_32; [L213] CALL __VERIFIER_assert(!(bad_33_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, 491 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2397 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2397 mSDsluCounter, 1663 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 838 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 825 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=491occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 493 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 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 12:43:47,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 483359f38d6962f5cc2932ef011ca5a5b5187116b1f9c8117622fc7081a2a26b --- 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 12:43:50,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:43:50,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:43:50,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:43:50,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:43:50,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:43:50,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:43:50,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:43:50,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:43:50,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:43:50,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:43:50,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:43:50,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:43:50,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:43:50,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:43:50,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:43:50,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:43:50,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:43:50,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:43:50,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:43:50,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:43:50,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:43:50,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:43:50,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:43:50,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:43:50,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:43:50,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:43:50,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:43:50,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:43:50,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:43:50,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:43:50,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:43:50,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:43:50,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:43:50,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:43:50,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:43:50,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:43:50,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:43:50,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:43:50,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:43:50,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:43:50,457 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 12:43:50,497 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:43:50,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:43:50,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:43:50,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:43:50,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:43:50,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:43:50,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:43:50,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:43:50,502 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:43:50,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:43:50,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:43:50,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:43:50,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:43:50,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:43:50,505 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:43:50,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:43:50,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:43:50,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:43:50,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:43:50,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:43:50,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:43:50,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:43:50,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:43:50,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:50,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:43:50,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:43:50,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:43:50,508 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:43:50,509 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:43:50,509 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:43:50,509 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:43:50,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:43:50,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:43:50,510 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_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 483359f38d6962f5cc2932ef011ca5a5b5187116b1f9c8117622fc7081a2a26b [2022-11-16 12:43:50,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:43:50,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:43:50,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:43:50,970 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:43:50,971 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:43:50,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2022-11-16 12:43:51,038 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/data/30f7d6b80/d6d1bc2d901e4745a504d7e68aa439d7/FLAG341473407 [2022-11-16 12:43:51,717 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:43:51,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2022-11-16 12:43:51,745 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/data/30f7d6b80/d6d1bc2d901e4745a504d7e68aa439d7/FLAG341473407 [2022-11-16 12:43:51,929 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/data/30f7d6b80/d6d1bc2d901e4745a504d7e68aa439d7 [2022-11-16 12:43:51,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:43:51,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:43:51,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:51,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:43:51,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:43:51,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:51" (1/1) ... [2022-11-16 12:43:51,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7d10e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:51, skipping insertion in model container [2022-11-16 12:43:51,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:51" (1/1) ... [2022-11-16 12:43:51,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:43:52,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:43:52,281 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_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1107,1120] [2022-11-16 12:43:52,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:52,785 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:43:52,794 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_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1107,1120] [2022-11-16 12:43:53,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:53,054 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:43:53,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:53 WrapperNode [2022-11-16 12:43:53,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:53,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:53,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:43:53,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:43:53,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:53" (1/1) ... [2022-11-16 12:43:53,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:53" (1/1) ... [2022-11-16 12:43:53,278 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1787 [2022-11-16 12:43:53,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:53,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:43:53,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:43:53,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:43:53,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:53" (1/1) ... [2022-11-16 12:43:53,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:53" (1/1) ... [2022-11-16 12:43:53,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:53" (1/1) ... [2022-11-16 12:43:53,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:53" (1/1) ... [2022-11-16 12:43:53,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:53" (1/1) ... [2022-11-16 12:43:53,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:53" (1/1) ... [2022-11-16 12:43:53,361 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:53" (1/1) ... [2022-11-16 12:43:53,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:53" (1/1) ... [2022-11-16 12:43:53,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:43:53,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:43:53,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:43:53,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:43:53,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:53" (1/1) ... [2022-11-16 12:43:53,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:53,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:53,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:53,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:43:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:43:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:43:53,967 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:43:53,969 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:43:56,992 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:43:56,999 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:43:56,999 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:43:57,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:57 BoogieIcfgContainer [2022-11-16 12:43:57,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:43:57,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:43:57,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:43:57,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:43:57,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:43:51" (1/3) ... [2022-11-16 12:43:57,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e28584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:57, skipping insertion in model container [2022-11-16 12:43:57,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:53" (2/3) ... [2022-11-16 12:43:57,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e28584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:57, skipping insertion in model container [2022-11-16 12:43:57,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:57" (3/3) ... [2022-11-16 12:43:57,010 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2022-11-16 12:43:57,028 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:43:57,028 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:43:57,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:43:57,080 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;@47207209, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:43:57,081 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:43:57,085 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 12:43:57,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 12:43:57,090 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:43:57,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 12:43:57,092 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:43:57,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:57,097 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 12:43:57,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:43:57,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2000170428] [2022-11-16 12:43:57,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:57,110 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 12:43:57,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:43:57,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 12:43:57,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 12:43:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:57,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-16 12:43:57,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:57,797 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 12:43:57,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:43:57,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:43:57,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2000170428] [2022-11-16 12:43:57,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2000170428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:57,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:57,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:43:57,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949351367] [2022-11-16 12:43:57,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:57,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:43:57,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:43:57,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:43:57,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:43:57,846 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 12:43:58,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:43:58,288 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 12:43:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:43:58,291 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 12:43:58,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:43:58,300 INFO L225 Difference]: With dead ends: 20 [2022-11-16 12:43:58,300 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 12:43:58,303 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 12:43:58,308 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:43:58,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 12:43:58,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 12:43:58,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 12:43:58,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:58,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 12:43:58,342 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 12:43:58,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:43:58,342 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 12:43:58,343 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 12:43:58,343 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 12:43:58,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 12:43:58,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:43:58,344 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:58,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 12:43:58,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 12:43:58,556 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:43:58,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:58,556 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 12:43:58,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:43:58,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605305460] [2022-11-16 12:43:58,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:58,561 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 12:43:58,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:43:58,562 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 12:43:58,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 (3)] Waiting until timeout for monitored process [2022-11-16 12:43:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:59,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-16 12:43:59,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:43:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:59,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:44:00,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:44:00,544 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:44:00,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605305460] [2022-11-16 12:44:00,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [605305460] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:44:00,544 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:44:00,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 12:44:00,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405705536] [2022-11-16 12:44:00,549 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:44:00,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:44:00,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:44:00,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:44:00,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:44:00,554 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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 12:44:00,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:44:00,956 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 12:44:00,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:44:00,958 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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) Word has length 8 [2022-11-16 12:44:00,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:44:00,959 INFO L225 Difference]: With dead ends: 16 [2022-11-16 12:44:00,959 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 12:44:00,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:44:00,960 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:44:00,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 15 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 7 Unchecked, 0.3s Time] [2022-11-16 12:44:00,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 12:44:00,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 12:44:00,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:44:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 12:44:00,966 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 12:44:00,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:44:00,966 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 12:44:00,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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 12:44:00,967 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 12:44:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 12:44:00,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:44:00,967 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 12:44:00,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:01,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 12:44:01,187 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:44:01,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:44:01,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 12:44:01,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:44:01,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534804239] [2022-11-16 12:44:01,194 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:44:01,195 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 12:44:01,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:44:01,196 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 12:44:01,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 (4)] Waiting until timeout for monitored process [2022-11-16 12:44:02,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:44:02,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:44:02,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 3079 conjuncts, 814 conjunts are in the unsatisfiable core [2022-11-16 12:44:02,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:44:29,211 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:44:29,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1534804239] [2022-11-16 12:44:29,211 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-16 12:44:29,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:44:29,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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 12:44:29,413 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 12:44:29,417 INFO L158 Benchmark]: Toolchain (without parser) took 37480.91ms. Allocated memory was 62.9MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 40.1MB in the beginning and 671.8MB in the end (delta: -631.7MB). Peak memory consumption was 695.4MB. Max. memory is 16.1GB. [2022-11-16 12:44:29,418 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:44:29,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1117.64ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 39.9MB in the beginning and 47.7MB in the end (delta: -7.8MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-11-16 12:44:29,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 222.84ms. Allocated memory is still 92.3MB. Free memory was 47.7MB in the beginning and 56.8MB in the end (delta: -9.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-11-16 12:44:29,419 INFO L158 Benchmark]: Boogie Preprocessor took 103.76ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 48.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:44:29,419 INFO L158 Benchmark]: RCFGBuilder took 3617.63ms. Allocated memory was 92.3MB in the beginning and 186.6MB in the end (delta: 94.4MB). Free memory was 48.4MB in the beginning and 53.2MB in the end (delta: -4.8MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. [2022-11-16 12:44:29,420 INFO L158 Benchmark]: TraceAbstraction took 32411.54ms. Allocated memory was 186.6MB in the beginning and 1.1GB in the end (delta: 916.5MB). Free memory was 53.2MB in the beginning and 671.8MB in the end (delta: -618.6MB). Peak memory consumption was 585.2MB. Max. memory is 16.1GB. [2022-11-16 12:44:29,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1117.64ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 39.9MB in the beginning and 47.7MB in the end (delta: -7.8MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 222.84ms. Allocated memory is still 92.3MB. Free memory was 47.7MB in the beginning and 56.8MB in the end (delta: -9.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.76ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 48.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3617.63ms. Allocated memory was 92.3MB in the beginning and 186.6MB in the end (delta: 94.4MB). Free memory was 48.4MB in the beginning and 53.2MB in the end (delta: -4.8MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. * TraceAbstraction took 32411.54ms. Allocated memory was 186.6MB in the beginning and 1.1GB in the end (delta: 916.5MB). Free memory was 53.2MB in the beginning and 671.8MB in the end (delta: -618.6MB). Peak memory consumption was 585.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 12:44:29,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5b8c63-8db0-4cee-b166-7fe3de6fc474/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: ERROR: ExceptionOrErrorResult: AssertionError: Maybe an infinite loop