./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ee2100a3e5265df895802b5a5a6898a66211bf638a3354a6f7521d6cb1ac16b8 --- 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-b5237d8 [2022-11-22 01:08:11,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:08:11,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:08:11,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:08:11,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:08:11,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:08:11,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:08:11,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:08:11,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:08:11,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:08:11,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:08:11,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:08:11,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:08:11,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:08:11,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:08:11,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:08:11,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:08:11,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:08:11,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:08:11,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:08:11,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:08:11,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:08:11,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:08:11,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:08:11,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:08:11,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:08:11,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:08:11,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:08:11,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:08:11,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:08:11,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:08:11,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:08:11,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:08:11,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:08:11,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:08:11,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:08:11,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:08:11,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:08:11,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:08:11,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:08:11,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:08:11,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:08:11,165 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:08:11,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:08:11,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:08:11,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:08:11,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:08:11,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:08:11,167 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:08:11,168 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:08:11,168 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:08:11,168 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:08:11,169 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:08:11,169 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:08:11,170 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:08:11,170 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:08:11,170 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:08:11,170 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:08:11,171 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:08:11,171 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:08:11,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:08:11,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:08:11,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:08:11,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:08:11,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:08:11,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:08:11,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:08:11,173 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:08:11,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:08:11,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:08:11,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:08:11,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:08:11,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:08:11,175 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:08:11,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:08:11,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:08:11,176 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:08:11,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:08:11,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:08:11,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:08:11,177 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_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee2100a3e5265df895802b5a5a6898a66211bf638a3354a6f7521d6cb1ac16b8 [2022-11-22 01:08:11,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:08:11,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:08:11,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:08:11,493 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:08:11,494 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:08:11,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c [2022-11-22 01:08:14,446 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:08:14,892 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:08:14,893 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c [2022-11-22 01:08:14,930 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/data/67b80f28c/34410fb57eb14c49987d195b4ad0bacb/FLAGc6627eca9 [2022-11-22 01:08:14,948 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/data/67b80f28c/34410fb57eb14c49987d195b4ad0bacb [2022-11-22 01:08:14,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:08:14,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:08:14,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:08:14,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:08:14,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:08:14,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:14" (1/1) ... [2022-11-22 01:08:14,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e37d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:14, skipping insertion in model container [2022-11-22 01:08:14,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:14" (1/1) ... [2022-11-22 01:08:14,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:08:15,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:08:15,276 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c[1014,1027] [2022-11-22 01:08:15,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:08:15,771 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:08:15,783 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c[1014,1027] [2022-11-22 01:08:15,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:08:16,017 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:08:16,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16 WrapperNode [2022-11-22 01:08:16,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:08:16,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:08:16,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:08:16,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:08:16,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16" (1/1) ... [2022-11-22 01:08:16,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16" (1/1) ... [2022-11-22 01:08:16,222 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2448 [2022-11-22 01:08:16,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:08:16,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:08:16,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:08:16,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:08:16,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16" (1/1) ... [2022-11-22 01:08:16,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16" (1/1) ... [2022-11-22 01:08:16,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16" (1/1) ... [2022-11-22 01:08:16,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16" (1/1) ... [2022-11-22 01:08:16,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16" (1/1) ... [2022-11-22 01:08:16,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16" (1/1) ... [2022-11-22 01:08:16,376 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16" (1/1) ... [2022-11-22 01:08:16,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16" (1/1) ... [2022-11-22 01:08:16,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:08:16,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:08:16,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:08:16,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:08:16,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16" (1/1) ... [2022-11-22 01:08:16,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:08:16,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:16,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:08:16,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:08:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:08:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:08:17,040 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:08:17,042 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:20:28,566 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:20:28,623 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:20:28,623 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:20:28,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:20:28 BoogieIcfgContainer [2022-11-22 01:20:28,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:20:28,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:20:28,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:20:28,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:20:28,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:14" (1/3) ... [2022-11-22 01:20:28,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bda614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:20:28, skipping insertion in model container [2022-11-22 01:20:28,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:16" (2/3) ... [2022-11-22 01:20:28,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bda614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:20:28, skipping insertion in model container [2022-11-22 01:20:28,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:20:28" (3/3) ... [2022-11-22 01:20:28,639 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.driving_phils.1.prop1-func-interl.c [2022-11-22 01:20:28,664 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:20:28,665 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:20:28,748 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:20:28,758 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ad0d8f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:20:28,759 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:20:28,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:20:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 01:20:28,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:20:28,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 01:20:28,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:20:28,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:20:28,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-22 01:20:28,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:20:28,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344743376] [2022-11-22 01:20:28,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:20:28,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:20:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:20:29,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:20:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:20:30,033 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:20:30,036 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:20:30,037 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 01:20:30,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:20:30,045 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 01:20:30,050 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:20:30,103 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 01:20:30,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:20:30 BoogieIcfgContainer [2022-11-22 01:20:30,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:20:30,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:20:30,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:20:30,134 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:20:30,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:20:28" (3/4) ... [2022-11-22 01:20:30,143 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:20:30,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:20:30,145 INFO L158 Benchmark]: Toolchain (without parser) took 735189.57ms. Allocated memory was 188.7MB in the beginning and 926.9MB in the end (delta: 738.2MB). Free memory was 156.2MB in the beginning and 807.6MB in the end (delta: -651.4MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2022-11-22 01:20:30,146 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:20:30,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1060.01ms. Allocated memory is still 188.7MB. Free memory was 156.2MB in the beginning and 127.0MB in the end (delta: 29.1MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2022-11-22 01:20:30,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.39ms. Allocated memory is still 188.7MB. Free memory was 127.0MB in the beginning and 97.0MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-22 01:20:30,149 INFO L158 Benchmark]: Boogie Preprocessor took 198.97ms. Allocated memory is still 188.7MB. Free memory was 97.0MB in the beginning and 82.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 01:20:30,156 INFO L158 Benchmark]: RCFGBuilder took 732203.44ms. Allocated memory was 188.7MB in the beginning and 926.9MB in the end (delta: 738.2MB). Free memory was 82.3MB in the beginning and 364.9MB in the end (delta: -282.6MB). Peak memory consumption was 530.1MB. Max. memory is 16.1GB. [2022-11-22 01:20:30,158 INFO L158 Benchmark]: TraceAbstraction took 1502.05ms. Allocated memory is still 926.9MB. Free memory was 363.8MB in the beginning and 808.7MB in the end (delta: -444.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:20:30,159 INFO L158 Benchmark]: Witness Printer took 9.69ms. Allocated memory is still 926.9MB. Free memory is still 807.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:20:30,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1060.01ms. Allocated memory is still 188.7MB. Free memory was 156.2MB in the beginning and 127.0MB in the end (delta: 29.1MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.39ms. Allocated memory is still 188.7MB. Free memory was 127.0MB in the beginning and 97.0MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 198.97ms. Allocated memory is still 188.7MB. Free memory was 97.0MB in the beginning and 82.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 732203.44ms. Allocated memory was 188.7MB in the beginning and 926.9MB in the end (delta: 738.2MB). Free memory was 82.3MB in the beginning and 364.9MB in the end (delta: -282.6MB). Peak memory consumption was 530.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1502.05ms. Allocated memory is still 926.9MB. Free memory was 363.8MB in the beginning and 808.7MB in the end (delta: -444.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.69ms. Allocated memory is still 926.9MB. Free memory is still 807.6MB. 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 bitwiseOr at line 276, overapproximation of shiftRight at line 280, overapproximation of bitwiseAnd at line 203, overapproximation of bitwiseComplement at line 278. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 5); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (5 - 1); [L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L34] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 16); [L35] const SORT_4 msb_SORT_4 = (SORT_4)1 << (16 - 1); [L37] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 24); [L38] const SORT_5 msb_SORT_5 = (SORT_5)1 << (24 - 1); [L40] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 32); [L41] const SORT_6 msb_SORT_6 = (SORT_6)1 << (32 - 1); [L43] const SORT_3 var_7 = 0; [L44] const SORT_4 var_20 = 0; [L45] const SORT_1 var_45 = 0; [L46] const SORT_4 var_78 = 0; [L47] const SORT_6 var_80 = 16; [L48] const SORT_4 var_92 = 1; [L49] const SORT_6 var_96 = 0; [L50] const SORT_5 var_99 = 0; [L51] const SORT_6 var_100 = 1; [L52] const SORT_6 var_101 = 2; [L53] const SORT_3 var_110 = 0; [L54] const SORT_4 var_197 = 65535; [L55] const SORT_4 var_218 = 0; [L56] const SORT_3 var_233 = 2; [L57] const SORT_3 var_235 = 1; [L58] const SORT_6 var_397 = 4294967295; [L60] SORT_1 input_91; [L61] SORT_1 input_95; [L62] SORT_1 input_114; [L63] SORT_1 input_124; [L64] SORT_1 input_130; [L65] SORT_1 input_136; [L66] SORT_1 input_149; [L67] SORT_1 input_160; [L68] SORT_1 input_194; [L69] SORT_1 input_195; [L70] SORT_1 input_202; [L71] SORT_1 input_208; [L72] SORT_1 input_213; [L73] SORT_1 input_231; [L74] SORT_1 input_232; [L75] SORT_1 input_234; [L76] SORT_1 input_236; [L77] SORT_1 input_242; [L78] SORT_1 input_246; [L79] SORT_1 input_247; [L80] SORT_1 input_248; [L81] SORT_1 input_249; [L82] SORT_1 input_250; [L83] SORT_1 input_251; [L84] SORT_1 input_252; [L85] SORT_1 input_272; [L86] SORT_1 input_275; [L87] SORT_1 input_276; [L88] SORT_1 input_277; [L89] SORT_1 input_278; [L90] SORT_1 input_279; [L91] SORT_1 input_280; [L92] SORT_1 input_301; [L93] SORT_1 input_311; [L94] SORT_1 input_353; [L95] SORT_1 input_375; [L97] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L98] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L99] SORT_3 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L100] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L101] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L102] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L103] SORT_4 state_21 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L104] SORT_4 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L105] SORT_4 state_25 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L106] SORT_4 state_27 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L107] SORT_4 state_29 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L108] SORT_4 state_31 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L109] SORT_4 state_33 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L110] SORT_3 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L111] SORT_3 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L112] SORT_4 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L113] SORT_4 state_41 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L114] SORT_4 state_43 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L115] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] SORT_1 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] SORT_3 init_9_arg_1 = var_7; [L133] state_8 = init_9_arg_1 [L134] SORT_3 init_11_arg_1 = var_7; [L135] state_10 = init_11_arg_1 [L136] SORT_3 init_13_arg_1 = var_7; [L137] state_12 = init_13_arg_1 [L138] SORT_3 init_15_arg_1 = var_7; [L139] state_14 = init_15_arg_1 [L140] SORT_3 init_17_arg_1 = var_7; [L141] state_16 = init_17_arg_1 [L142] SORT_3 init_19_arg_1 = var_7; [L143] state_18 = init_19_arg_1 [L144] SORT_4 init_22_arg_1 = var_20; [L145] state_21 = init_22_arg_1 [L146] SORT_4 init_24_arg_1 = var_20; [L147] state_23 = init_24_arg_1 [L148] SORT_4 init_26_arg_1 = var_20; [L149] state_25 = init_26_arg_1 [L150] SORT_4 init_28_arg_1 = var_20; [L151] state_27 = init_28_arg_1 [L152] SORT_4 init_30_arg_1 = var_20; [L153] state_29 = init_30_arg_1 [L154] SORT_4 init_32_arg_1 = var_20; [L155] state_31 = init_32_arg_1 [L156] SORT_4 init_34_arg_1 = var_20; [L157] state_33 = init_34_arg_1 [L158] SORT_3 init_36_arg_1 = var_7; [L159] state_35 = init_36_arg_1 [L160] SORT_3 init_38_arg_1 = var_7; [L161] state_37 = init_38_arg_1 [L162] SORT_4 init_40_arg_1 = var_20; [L163] state_39 = init_40_arg_1 [L164] SORT_4 init_42_arg_1 = var_20; [L165] state_41 = init_42_arg_1 [L166] SORT_4 init_44_arg_1 = var_20; [L167] state_43 = init_44_arg_1 [L168] SORT_1 init_47_arg_1 = var_45; [L169] state_46 = init_47_arg_1 [L170] SORT_1 init_49_arg_1 = var_45; [L171] state_48 = init_49_arg_1 [L172] SORT_1 init_51_arg_1 = var_45; [L173] state_50 = init_51_arg_1 [L174] SORT_1 init_53_arg_1 = var_45; [L175] state_52 = init_53_arg_1 [L176] SORT_1 init_55_arg_1 = var_45; [L177] state_54 = init_55_arg_1 [L178] SORT_1 init_57_arg_1 = var_45; [L179] state_56 = init_57_arg_1 [L180] SORT_1 init_59_arg_1 = var_45; [L181] state_58 = init_59_arg_1 [L182] SORT_1 init_61_arg_1 = var_45; [L183] state_60 = init_61_arg_1 [L184] SORT_1 init_63_arg_1 = var_45; [L185] state_62 = init_63_arg_1 [L186] SORT_1 init_65_arg_1 = var_45; [L187] state_64 = init_65_arg_1 [L188] SORT_1 init_67_arg_1 = var_45; [L189] state_66 = init_67_arg_1 [L190] SORT_1 init_69_arg_1 = var_45; [L191] state_68 = init_69_arg_1 [L192] SORT_1 init_71_arg_1 = var_45; [L193] state_70 = init_71_arg_1 [L194] SORT_1 init_73_arg_1 = var_45; [L195] state_72 = init_73_arg_1 [L196] SORT_1 init_75_arg_1 = var_45; [L197] state_74 = init_75_arg_1 [L198] SORT_1 init_77_arg_1 = var_45; [L199] state_76 = init_77_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=31, mask_SORT_3=255, mask_SORT_4=65535, mask_SORT_5=4294967295, mask_SORT_6=4294967295, msb_SORT_1=1, msb_SORT_2=16, msb_SORT_3=128, msb_SORT_4=32768, msb_SORT_5=8388608, msb_SORT_6=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_8=0, var_100=1, var_101=2, var_110=0, var_197=65535, var_20=0, var_218=0, var_233=2, var_235=1, var_397=4294967295, var_45=0, var_7=0, var_78=0, var_80=16, var_92=1, var_96=0, var_99=0] [L202] input_91 = __VERIFIER_nondet_uchar() [L203] input_91 = input_91 & mask_SORT_1 [L204] input_95 = __VERIFIER_nondet_uchar() [L205] input_95 = input_95 & mask_SORT_1 [L206] input_114 = __VERIFIER_nondet_uchar() [L207] input_114 = input_114 & mask_SORT_1 [L208] input_124 = __VERIFIER_nondet_uchar() [L209] input_124 = input_124 & mask_SORT_1 [L210] input_130 = __VERIFIER_nondet_uchar() [L211] input_130 = input_130 & mask_SORT_1 [L212] input_136 = __VERIFIER_nondet_uchar() [L213] input_136 = input_136 & mask_SORT_1 [L214] input_149 = __VERIFIER_nondet_uchar() [L215] input_149 = input_149 & mask_SORT_1 [L216] input_160 = __VERIFIER_nondet_uchar() [L217] input_160 = input_160 & mask_SORT_1 [L218] input_194 = __VERIFIER_nondet_uchar() [L219] input_194 = input_194 & mask_SORT_1 [L220] input_195 = __VERIFIER_nondet_uchar() [L221] input_195 = input_195 & mask_SORT_1 [L222] input_202 = __VERIFIER_nondet_uchar() [L223] input_202 = input_202 & mask_SORT_1 [L224] input_208 = __VERIFIER_nondet_uchar() [L225] input_208 = input_208 & mask_SORT_1 [L226] input_213 = __VERIFIER_nondet_uchar() [L227] input_213 = input_213 & mask_SORT_1 [L228] input_231 = __VERIFIER_nondet_uchar() [L229] input_231 = input_231 & mask_SORT_1 [L230] input_232 = __VERIFIER_nondet_uchar() [L231] input_232 = input_232 & mask_SORT_1 [L232] input_234 = __VERIFIER_nondet_uchar() [L233] input_234 = input_234 & mask_SORT_1 [L234] input_236 = __VERIFIER_nondet_uchar() [L235] input_236 = input_236 & mask_SORT_1 [L236] input_242 = __VERIFIER_nondet_uchar() [L237] input_242 = input_242 & mask_SORT_1 [L238] input_246 = __VERIFIER_nondet_uchar() [L239] input_246 = input_246 & mask_SORT_1 [L240] input_247 = __VERIFIER_nondet_uchar() [L241] input_247 = input_247 & mask_SORT_1 [L242] input_248 = __VERIFIER_nondet_uchar() [L243] input_248 = input_248 & mask_SORT_1 [L244] input_249 = __VERIFIER_nondet_uchar() [L245] input_249 = input_249 & mask_SORT_1 [L246] input_250 = __VERIFIER_nondet_uchar() [L247] input_250 = input_250 & mask_SORT_1 [L248] input_251 = __VERIFIER_nondet_uchar() [L249] input_251 = input_251 & mask_SORT_1 [L250] input_252 = __VERIFIER_nondet_uchar() [L251] input_252 = input_252 & mask_SORT_1 [L252] input_272 = __VERIFIER_nondet_uchar() [L253] input_272 = input_272 & mask_SORT_1 [L254] input_275 = __VERIFIER_nondet_uchar() [L255] input_275 = input_275 & mask_SORT_1 [L256] input_276 = __VERIFIER_nondet_uchar() [L257] input_276 = input_276 & mask_SORT_1 [L258] input_277 = __VERIFIER_nondet_uchar() [L259] input_277 = input_277 & mask_SORT_1 [L260] input_278 = __VERIFIER_nondet_uchar() [L261] input_278 = input_278 & mask_SORT_1 [L262] input_279 = __VERIFIER_nondet_uchar() [L263] input_279 = input_279 & mask_SORT_1 [L264] input_280 = __VERIFIER_nondet_uchar() [L265] input_280 = input_280 & mask_SORT_1 [L266] input_301 = __VERIFIER_nondet_uchar() [L267] input_301 = input_301 & mask_SORT_1 [L268] input_311 = __VERIFIER_nondet_uchar() [L269] input_311 = input_311 & mask_SORT_1 [L270] input_353 = __VERIFIER_nondet_uchar() [L271] input_375 = __VERIFIER_nondet_uchar() [L274] SORT_4 var_79_arg_0 = state_21; [L275] SORT_4 var_79_arg_1 = var_78; [L276] SORT_6 var_79 = ((SORT_6)var_79_arg_0 << 16) | var_79_arg_1; [L277] SORT_6 var_81_arg_0 = var_79; [L278] var_81_arg_0 = (var_81_arg_0 & msb_SORT_6) ? (var_81_arg_0 | ~mask_SORT_6) : (var_81_arg_0 & mask_SORT_6) [L279] SORT_6 var_81_arg_1 = var_80; [L280] SORT_6 var_81 = (int)var_81_arg_0 >> var_81_arg_1; [L281] var_81 = (var_81_arg_0 & msb_SORT_6) ? (var_81 | ~(mask_SORT_6 >> var_81_arg_1)) : var_81 [L282] var_81 = var_81 & mask_SORT_6 [L283] SORT_4 var_82_arg_0 = state_23; [L284] SORT_4 var_82_arg_1 = var_78; [L285] SORT_6 var_82 = ((SORT_6)var_82_arg_0 << 16) | var_82_arg_1; [L286] SORT_6 var_83_arg_0 = var_82; [L287] var_83_arg_0 = (var_83_arg_0 & msb_SORT_6) ? (var_83_arg_0 | ~mask_SORT_6) : (var_83_arg_0 & mask_SORT_6) [L288] SORT_6 var_83_arg_1 = var_80; [L289] SORT_6 var_83 = (int)var_83_arg_0 >> var_83_arg_1; [L290] var_83 = (var_83_arg_0 & msb_SORT_6) ? (var_83 | ~(mask_SORT_6 >> var_83_arg_1)) : var_83 [L291] var_83 = var_83 & mask_SORT_6 [L292] SORT_6 var_84_arg_0 = var_81; [L293] SORT_6 var_84_arg_1 = var_83; [L294] SORT_1 var_84 = var_84_arg_0 == var_84_arg_1; [L295] SORT_4 var_85_arg_0 = state_27; [L296] SORT_4 var_85_arg_1 = var_78; [L297] SORT_6 var_85 = ((SORT_6)var_85_arg_0 << 16) | var_85_arg_1; [L298] SORT_6 var_86_arg_0 = var_85; [L299] var_86_arg_0 = (var_86_arg_0 & msb_SORT_6) ? (var_86_arg_0 | ~mask_SORT_6) : (var_86_arg_0 & mask_SORT_6) [L300] SORT_6 var_86_arg_1 = var_80; [L301] SORT_6 var_86 = (int)var_86_arg_0 >> var_86_arg_1; [L302] var_86 = (var_86_arg_0 & msb_SORT_6) ? (var_86 | ~(mask_SORT_6 >> var_86_arg_1)) : var_86 [L303] var_86 = var_86 & mask_SORT_6 [L304] SORT_6 var_87_arg_0 = var_81; [L305] SORT_6 var_87_arg_1 = var_86; [L306] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L307] SORT_1 var_88_arg_0 = var_84; [L308] SORT_1 var_88_arg_1 = var_87; [L309] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L310] SORT_1 var_89_arg_0 = ~state_76; [L311] var_89_arg_0 = var_89_arg_0 & mask_SORT_1 [L312] SORT_1 var_89_arg_1 = var_88; [L313] SORT_1 var_89 = var_89_arg_0 & var_89_arg_1; [L314] var_89 = var_89 & mask_SORT_1 [L315] SORT_1 bad_90_arg_0 = var_89; [L316] CALL __VERIFIER_assert(!(bad_90_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-22 01:20:30,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/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_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ee2100a3e5265df895802b5a5a6898a66211bf638a3354a6f7521d6cb1ac16b8 --- 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-b5237d8 [2022-11-22 01:20:33,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:20:33,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:20:33,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:20:33,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:20:33,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:20:33,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:20:33,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:20:33,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:20:33,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:20:33,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:20:33,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:20:33,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:20:33,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:20:33,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:20:33,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:20:33,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:20:33,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:20:33,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:20:33,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:20:33,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:20:33,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:20:33,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:20:33,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:20:33,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:20:33,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:20:33,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:20:33,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:20:33,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:20:33,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:20:33,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:20:33,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:20:33,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:20:33,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:20:33,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:20:33,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:20:33,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:20:33,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:20:33,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:20:33,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:20:33,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:20:33,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-22 01:20:33,239 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:20:33,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:20:33,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:20:33,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:20:33,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:20:33,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:20:33,244 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:20:33,244 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:20:33,245 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:20:33,245 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:20:33,246 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:20:33,247 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:20:33,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:20:33,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:20:33,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:20:33,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:20:33,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:20:33,249 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:20:33,249 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:20:33,249 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:20:33,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:20:33,250 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:20:33,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:20:33,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:20:33,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:20:33,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:20:33,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:20:33,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:20:33,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:20:33,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:20:33,253 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:20:33,253 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:20:33,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:20:33,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:20:33,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:20:33,254 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_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee2100a3e5265df895802b5a5a6898a66211bf638a3354a6f7521d6cb1ac16b8 [2022-11-22 01:20:33,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:20:33,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:20:33,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:20:33,755 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:20:33,756 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:20:33,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c [2022-11-22 01:20:37,096 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:20:37,553 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:20:37,554 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c [2022-11-22 01:20:37,587 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/data/c93329699/d6f1720b3f88487d9c83329a9cad5491/FLAGbe071a649 [2022-11-22 01:20:37,610 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/data/c93329699/d6f1720b3f88487d9c83329a9cad5491 [2022-11-22 01:20:37,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:20:37,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:20:37,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:20:37,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:20:37,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:20:37,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:20:37" (1/1) ... [2022-11-22 01:20:37,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a63c946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:37, skipping insertion in model container [2022-11-22 01:20:37,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:20:37" (1/1) ... [2022-11-22 01:20:37,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:20:37,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:20:38,077 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c[1014,1027] [2022-11-22 01:20:38,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:20:38,681 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:20:38,694 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.driving_phils.1.prop1-func-interl.c[1014,1027] [2022-11-22 01:20:38,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:20:38,931 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:20:38,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:38 WrapperNode [2022-11-22 01:20:38,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:20:38,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:20:38,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:20:38,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:20:38,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:38" (1/1) ... [2022-11-22 01:20:39,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:38" (1/1) ... [2022-11-22 01:20:39,193 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2448 [2022-11-22 01:20:39,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:20:39,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:20:39,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:20:39,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:20:39,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:38" (1/1) ... [2022-11-22 01:20:39,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:38" (1/1) ... [2022-11-22 01:20:39,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:38" (1/1) ... [2022-11-22 01:20:39,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:38" (1/1) ... [2022-11-22 01:20:39,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:38" (1/1) ... [2022-11-22 01:20:39,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:38" (1/1) ... [2022-11-22 01:20:39,283 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:38" (1/1) ... [2022-11-22 01:20:39,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:38" (1/1) ... [2022-11-22 01:20:39,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:20:39,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:20:39,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:20:39,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:20:39,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:38" (1/1) ... [2022-11-22 01:20:39,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:20:39,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:20:39,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:20:39,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:20:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:20:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:20:40,078 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:20:40,081 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:20:47,426 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:20:47,435 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:20:47,436 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:20:47,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:20:47 BoogieIcfgContainer [2022-11-22 01:20:47,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:20:47,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:20:47,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:20:47,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:20:47,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:20:37" (1/3) ... [2022-11-22 01:20:47,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2847cb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:20:47, skipping insertion in model container [2022-11-22 01:20:47,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:20:38" (2/3) ... [2022-11-22 01:20:47,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2847cb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:20:47, skipping insertion in model container [2022-11-22 01:20:47,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:20:47" (3/3) ... [2022-11-22 01:20:47,450 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.driving_phils.1.prop1-func-interl.c [2022-11-22 01:20:47,472 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:20:47,472 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:20:47,536 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:20:47,544 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a0b9706, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:20:47,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:20:47,550 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) [2022-11-22 01:20:47,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:20:47,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:20:47,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:20:47,560 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:20:47,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:20:47,567 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-22 01:20:47,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:20:47,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569757223] [2022-11-22 01:20:47,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:20:47,586 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 [2022-11-22 01:20:47,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:20:47,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/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) [2022-11-22 01:20:47,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:20:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:20:48,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:20:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:20:49,073 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-22 01:20:49,076 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:20:49,077 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 01:20:49,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-22 01:20:49,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/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 [2022-11-22 01:20:49,302 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 01:20:49,307 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:20:49,343 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 01:20:49,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:20:49 BoogieIcfgContainer [2022-11-22 01:20:49,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:20:49,376 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:20:49,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:20:49,377 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:20:49,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:20:47" (3/4) ... [2022-11-22 01:20:49,380 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-22 01:20:49,398 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 01:20:49,543 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:20:49,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:20:49,544 INFO L158 Benchmark]: Toolchain (without parser) took 11928.38ms. Allocated memory was 62.9MB in the beginning and 230.7MB in the end (delta: 167.8MB). Free memory was 29.7MB in the beginning and 75.7MB in the end (delta: -46.1MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. [2022-11-22 01:20:49,545 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:20:49,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1313.00ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 29.5MB in the beginning and 39.8MB in the end (delta: -10.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-11-22 01:20:49,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 259.85ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 38.4MB in the end (delta: 1.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-11-22 01:20:49,546 INFO L158 Benchmark]: Boogie Preprocessor took 119.42ms. Allocated memory is still 83.9MB. Free memory was 38.4MB in the beginning and 27.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:20:49,547 INFO L158 Benchmark]: RCFGBuilder took 8123.71ms. Allocated memory was 83.9MB in the beginning and 230.7MB in the end (delta: 146.8MB). Free memory was 27.3MB in the beginning and 169.0MB in the end (delta: -141.7MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. [2022-11-22 01:20:49,548 INFO L158 Benchmark]: TraceAbstraction took 1931.47ms. Allocated memory is still 230.7MB. Free memory was 167.9MB in the beginning and 83.1MB in the end (delta: 84.8MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2022-11-22 01:20:49,548 INFO L158 Benchmark]: Witness Printer took 167.71ms. Allocated memory is still 230.7MB. Free memory was 83.1MB in the beginning and 75.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-22 01:20:49,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1313.00ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 29.5MB in the beginning and 39.8MB in the end (delta: -10.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 259.85ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 38.4MB in the end (delta: 1.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.42ms. Allocated memory is still 83.9MB. Free memory was 38.4MB in the beginning and 27.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 8123.71ms. Allocated memory was 83.9MB in the beginning and 230.7MB in the end (delta: 146.8MB). Free memory was 27.3MB in the beginning and 169.0MB in the end (delta: -141.7MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1931.47ms. Allocated memory is still 230.7MB. Free memory was 167.9MB in the beginning and 83.1MB in the end (delta: 84.8MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Witness Printer took 167.71ms. Allocated memory is still 230.7MB. Free memory was 83.1MB in the beginning and 75.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 5); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (5 - 1); [L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L34] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 16); [L35] const SORT_4 msb_SORT_4 = (SORT_4)1 << (16 - 1); [L37] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 24); [L38] const SORT_5 msb_SORT_5 = (SORT_5)1 << (24 - 1); [L40] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 32); [L41] const SORT_6 msb_SORT_6 = (SORT_6)1 << (32 - 1); [L43] const SORT_3 var_7 = 0; [L44] const SORT_4 var_20 = 0; [L45] const SORT_1 var_45 = 0; [L46] const SORT_4 var_78 = 0; [L47] const SORT_6 var_80 = 16; [L48] const SORT_4 var_92 = 1; [L49] const SORT_6 var_96 = 0; [L50] const SORT_5 var_99 = 0; [L51] const SORT_6 var_100 = 1; [L52] const SORT_6 var_101 = 2; [L53] const SORT_3 var_110 = 0; [L54] const SORT_4 var_197 = 65535; [L55] const SORT_4 var_218 = 0; [L56] const SORT_3 var_233 = 2; [L57] const SORT_3 var_235 = 1; [L58] const SORT_6 var_397 = 4294967295; [L60] SORT_1 input_91; [L61] SORT_1 input_95; [L62] SORT_1 input_114; [L63] SORT_1 input_124; [L64] SORT_1 input_130; [L65] SORT_1 input_136; [L66] SORT_1 input_149; [L67] SORT_1 input_160; [L68] SORT_1 input_194; [L69] SORT_1 input_195; [L70] SORT_1 input_202; [L71] SORT_1 input_208; [L72] SORT_1 input_213; [L73] SORT_1 input_231; [L74] SORT_1 input_232; [L75] SORT_1 input_234; [L76] SORT_1 input_236; [L77] SORT_1 input_242; [L78] SORT_1 input_246; [L79] SORT_1 input_247; [L80] SORT_1 input_248; [L81] SORT_1 input_249; [L82] SORT_1 input_250; [L83] SORT_1 input_251; [L84] SORT_1 input_252; [L85] SORT_1 input_272; [L86] SORT_1 input_275; [L87] SORT_1 input_276; [L88] SORT_1 input_277; [L89] SORT_1 input_278; [L90] SORT_1 input_279; [L91] SORT_1 input_280; [L92] SORT_1 input_301; [L93] SORT_1 input_311; [L94] SORT_1 input_353; [L95] SORT_1 input_375; [L97] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L98] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L99] SORT_3 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L100] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L101] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L102] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L103] SORT_4 state_21 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L104] SORT_4 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L105] SORT_4 state_25 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L106] SORT_4 state_27 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L107] SORT_4 state_29 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L108] SORT_4 state_31 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L109] SORT_4 state_33 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L110] SORT_3 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L111] SORT_3 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L112] SORT_4 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L113] SORT_4 state_41 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L114] SORT_4 state_43 = __VERIFIER_nondet_ushort() & mask_SORT_4; [L115] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] SORT_1 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] SORT_3 init_9_arg_1 = var_7; [L133] state_8 = init_9_arg_1 [L134] SORT_3 init_11_arg_1 = var_7; [L135] state_10 = init_11_arg_1 [L136] SORT_3 init_13_arg_1 = var_7; [L137] state_12 = init_13_arg_1 [L138] SORT_3 init_15_arg_1 = var_7; [L139] state_14 = init_15_arg_1 [L140] SORT_3 init_17_arg_1 = var_7; [L141] state_16 = init_17_arg_1 [L142] SORT_3 init_19_arg_1 = var_7; [L143] state_18 = init_19_arg_1 [L144] SORT_4 init_22_arg_1 = var_20; [L145] state_21 = init_22_arg_1 [L146] SORT_4 init_24_arg_1 = var_20; [L147] state_23 = init_24_arg_1 [L148] SORT_4 init_26_arg_1 = var_20; [L149] state_25 = init_26_arg_1 [L150] SORT_4 init_28_arg_1 = var_20; [L151] state_27 = init_28_arg_1 [L152] SORT_4 init_30_arg_1 = var_20; [L153] state_29 = init_30_arg_1 [L154] SORT_4 init_32_arg_1 = var_20; [L155] state_31 = init_32_arg_1 [L156] SORT_4 init_34_arg_1 = var_20; [L157] state_33 = init_34_arg_1 [L158] SORT_3 init_36_arg_1 = var_7; [L159] state_35 = init_36_arg_1 [L160] SORT_3 init_38_arg_1 = var_7; [L161] state_37 = init_38_arg_1 [L162] SORT_4 init_40_arg_1 = var_20; [L163] state_39 = init_40_arg_1 [L164] SORT_4 init_42_arg_1 = var_20; [L165] state_41 = init_42_arg_1 [L166] SORT_4 init_44_arg_1 = var_20; [L167] state_43 = init_44_arg_1 [L168] SORT_1 init_47_arg_1 = var_45; [L169] state_46 = init_47_arg_1 [L170] SORT_1 init_49_arg_1 = var_45; [L171] state_48 = init_49_arg_1 [L172] SORT_1 init_51_arg_1 = var_45; [L173] state_50 = init_51_arg_1 [L174] SORT_1 init_53_arg_1 = var_45; [L175] state_52 = init_53_arg_1 [L176] SORT_1 init_55_arg_1 = var_45; [L177] state_54 = init_55_arg_1 [L178] SORT_1 init_57_arg_1 = var_45; [L179] state_56 = init_57_arg_1 [L180] SORT_1 init_59_arg_1 = var_45; [L181] state_58 = init_59_arg_1 [L182] SORT_1 init_61_arg_1 = var_45; [L183] state_60 = init_61_arg_1 [L184] SORT_1 init_63_arg_1 = var_45; [L185] state_62 = init_63_arg_1 [L186] SORT_1 init_65_arg_1 = var_45; [L187] state_64 = init_65_arg_1 [L188] SORT_1 init_67_arg_1 = var_45; [L189] state_66 = init_67_arg_1 [L190] SORT_1 init_69_arg_1 = var_45; [L191] state_68 = init_69_arg_1 [L192] SORT_1 init_71_arg_1 = var_45; [L193] state_70 = init_71_arg_1 [L194] SORT_1 init_73_arg_1 = var_45; [L195] state_72 = init_73_arg_1 [L196] SORT_1 init_75_arg_1 = var_45; [L197] state_74 = init_75_arg_1 [L198] SORT_1 init_77_arg_1 = var_45; [L199] state_76 = init_77_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=31, mask_SORT_3=255, mask_SORT_4=65535, mask_SORT_5=16777215, mask_SORT_6=4294967295, msb_SORT_1=1, msb_SORT_2=16, msb_SORT_3=128, msb_SORT_4=32768, msb_SORT_5=8388608, msb_SORT_6=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_8=0, var_100=1, var_101=2, var_110=0, var_197=65535, var_20=0, var_218=0, var_233=2, var_235=1, var_397=4294967295, var_45=0, var_7=0, var_78=0, var_80=16, var_92=1, var_96=0, var_99=0] [L202] input_91 = __VERIFIER_nondet_uchar() [L203] input_91 = input_91 & mask_SORT_1 [L204] input_95 = __VERIFIER_nondet_uchar() [L205] input_95 = input_95 & mask_SORT_1 [L206] input_114 = __VERIFIER_nondet_uchar() [L207] input_114 = input_114 & mask_SORT_1 [L208] input_124 = __VERIFIER_nondet_uchar() [L209] input_124 = input_124 & mask_SORT_1 [L210] input_130 = __VERIFIER_nondet_uchar() [L211] input_130 = input_130 & mask_SORT_1 [L212] input_136 = __VERIFIER_nondet_uchar() [L213] input_136 = input_136 & mask_SORT_1 [L214] input_149 = __VERIFIER_nondet_uchar() [L215] input_149 = input_149 & mask_SORT_1 [L216] input_160 = __VERIFIER_nondet_uchar() [L217] input_160 = input_160 & mask_SORT_1 [L218] input_194 = __VERIFIER_nondet_uchar() [L219] input_194 = input_194 & mask_SORT_1 [L220] input_195 = __VERIFIER_nondet_uchar() [L221] input_195 = input_195 & mask_SORT_1 [L222] input_202 = __VERIFIER_nondet_uchar() [L223] input_202 = input_202 & mask_SORT_1 [L224] input_208 = __VERIFIER_nondet_uchar() [L225] input_208 = input_208 & mask_SORT_1 [L226] input_213 = __VERIFIER_nondet_uchar() [L227] input_213 = input_213 & mask_SORT_1 [L228] input_231 = __VERIFIER_nondet_uchar() [L229] input_231 = input_231 & mask_SORT_1 [L230] input_232 = __VERIFIER_nondet_uchar() [L231] input_232 = input_232 & mask_SORT_1 [L232] input_234 = __VERIFIER_nondet_uchar() [L233] input_234 = input_234 & mask_SORT_1 [L234] input_236 = __VERIFIER_nondet_uchar() [L235] input_236 = input_236 & mask_SORT_1 [L236] input_242 = __VERIFIER_nondet_uchar() [L237] input_242 = input_242 & mask_SORT_1 [L238] input_246 = __VERIFIER_nondet_uchar() [L239] input_246 = input_246 & mask_SORT_1 [L240] input_247 = __VERIFIER_nondet_uchar() [L241] input_247 = input_247 & mask_SORT_1 [L242] input_248 = __VERIFIER_nondet_uchar() [L243] input_248 = input_248 & mask_SORT_1 [L244] input_249 = __VERIFIER_nondet_uchar() [L245] input_249 = input_249 & mask_SORT_1 [L246] input_250 = __VERIFIER_nondet_uchar() [L247] input_250 = input_250 & mask_SORT_1 [L248] input_251 = __VERIFIER_nondet_uchar() [L249] input_251 = input_251 & mask_SORT_1 [L250] input_252 = __VERIFIER_nondet_uchar() [L251] input_252 = input_252 & mask_SORT_1 [L252] input_272 = __VERIFIER_nondet_uchar() [L253] input_272 = input_272 & mask_SORT_1 [L254] input_275 = __VERIFIER_nondet_uchar() [L255] input_275 = input_275 & mask_SORT_1 [L256] input_276 = __VERIFIER_nondet_uchar() [L257] input_276 = input_276 & mask_SORT_1 [L258] input_277 = __VERIFIER_nondet_uchar() [L259] input_277 = input_277 & mask_SORT_1 [L260] input_278 = __VERIFIER_nondet_uchar() [L261] input_278 = input_278 & mask_SORT_1 [L262] input_279 = __VERIFIER_nondet_uchar() [L263] input_279 = input_279 & mask_SORT_1 [L264] input_280 = __VERIFIER_nondet_uchar() [L265] input_280 = input_280 & mask_SORT_1 [L266] input_301 = __VERIFIER_nondet_uchar() [L267] input_301 = input_301 & mask_SORT_1 [L268] input_311 = __VERIFIER_nondet_uchar() [L269] input_311 = input_311 & mask_SORT_1 [L270] input_353 = __VERIFIER_nondet_uchar() [L271] input_375 = __VERIFIER_nondet_uchar() [L274] SORT_4 var_79_arg_0 = state_21; [L275] SORT_4 var_79_arg_1 = var_78; [L276] SORT_6 var_79 = ((SORT_6)var_79_arg_0 << 16) | var_79_arg_1; [L277] SORT_6 var_81_arg_0 = var_79; [L278] var_81_arg_0 = (var_81_arg_0 & msb_SORT_6) ? (var_81_arg_0 | ~mask_SORT_6) : (var_81_arg_0 & mask_SORT_6) [L279] SORT_6 var_81_arg_1 = var_80; [L280] SORT_6 var_81 = (int)var_81_arg_0 >> var_81_arg_1; [L281] var_81 = (var_81_arg_0 & msb_SORT_6) ? (var_81 | ~(mask_SORT_6 >> var_81_arg_1)) : var_81 [L282] var_81 = var_81 & mask_SORT_6 [L283] SORT_4 var_82_arg_0 = state_23; [L284] SORT_4 var_82_arg_1 = var_78; [L285] SORT_6 var_82 = ((SORT_6)var_82_arg_0 << 16) | var_82_arg_1; [L286] SORT_6 var_83_arg_0 = var_82; [L287] var_83_arg_0 = (var_83_arg_0 & msb_SORT_6) ? (var_83_arg_0 | ~mask_SORT_6) : (var_83_arg_0 & mask_SORT_6) [L288] SORT_6 var_83_arg_1 = var_80; [L289] SORT_6 var_83 = (int)var_83_arg_0 >> var_83_arg_1; [L290] var_83 = (var_83_arg_0 & msb_SORT_6) ? (var_83 | ~(mask_SORT_6 >> var_83_arg_1)) : var_83 [L291] var_83 = var_83 & mask_SORT_6 [L292] SORT_6 var_84_arg_0 = var_81; [L293] SORT_6 var_84_arg_1 = var_83; [L294] SORT_1 var_84 = var_84_arg_0 == var_84_arg_1; [L295] SORT_4 var_85_arg_0 = state_27; [L296] SORT_4 var_85_arg_1 = var_78; [L297] SORT_6 var_85 = ((SORT_6)var_85_arg_0 << 16) | var_85_arg_1; [L298] SORT_6 var_86_arg_0 = var_85; [L299] var_86_arg_0 = (var_86_arg_0 & msb_SORT_6) ? (var_86_arg_0 | ~mask_SORT_6) : (var_86_arg_0 & mask_SORT_6) [L300] SORT_6 var_86_arg_1 = var_80; [L301] SORT_6 var_86 = (int)var_86_arg_0 >> var_86_arg_1; [L302] var_86 = (var_86_arg_0 & msb_SORT_6) ? (var_86 | ~(mask_SORT_6 >> var_86_arg_1)) : var_86 [L303] var_86 = var_86 & mask_SORT_6 [L304] SORT_6 var_87_arg_0 = var_81; [L305] SORT_6 var_87_arg_1 = var_86; [L306] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L307] SORT_1 var_88_arg_0 = var_84; [L308] SORT_1 var_88_arg_1 = var_87; [L309] SORT_1 var_88 = var_88_arg_0 | var_88_arg_1; [L310] SORT_1 var_89_arg_0 = ~state_76; [L311] var_89_arg_0 = var_89_arg_0 & mask_SORT_1 [L312] SORT_1 var_89_arg_1 = var_88; [L313] SORT_1 var_89 = var_89_arg_0 & var_89_arg_1; [L314] var_89 = var_89 & mask_SORT_1 [L315] SORT_1 bad_90_arg_0 = var_89; [L316] CALL __VERIFIER_assert(!(bad_90_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-22 01:20:49,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_143fdc33-7455-413f-82ed-85f5968a5507/bin/utaipan-g80aRyZoba/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE